sites.json

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6, "refrigerant": "R410A", "dhw_method": "Phase change store", "cylinder_volume": 0, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "35", "wc_curve": 0, "freeze": "Glycol/water mixture", "zone_number": 1, "space_heat_control_type": "Weather compensation with a little room influence", "dhw_control_type": "Automatic top up of tank if temperature drops by 6-10C", "dhw_target_temperature": 52, "legionella_frequency": "Disabled", "legionella_target_temperature": 0, "property": "Semi-detached", "floor_area": 120, "heat_demand": 7200, "heat_loss": 3.5, "age": "1900 to 1939", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "Octopus Intelligent", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "13", "electricity_tariff_unit_rate_hp": "25", "solar_pv_generation": 2550, "solar_pv_self_consumption": 71, 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"metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "System installed under BEIS EoH trial, system is clearly oversized but I have made improvements to the system to try and maximise efficiency.", "mid_metering": 1, "kwh_m2": "161", "design_temp": -5, "water_heat_demand": 4075, "EPC_spaceheat_demand": "21042", "EPC_waterheat_demand": "2253", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 42510, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": "", "hp_max_output": 8.7, "measured_base_DT": 2.7, "measured_design_DT": 23, "measured_heat_loss": 5.06, "measured_heat_loss_range": 0.8, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 27.5116, "measured_mean_flow_temp_coldest_day": 36.48, "measured_max_flow_temp_coldest_day": 41.7, "measured_outside_temp_coldest_day": -3.92, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 8.89073, "weighted_flow_temp": 32.9543}, {"id": 204, "userid": 216, "published": 1, "last_updated": 1730121291, "location": "Caersws, Mid Wales", "installer_name": "Richard Burrows", "installer_url": "https://mwphs.co.uk/", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=83a2a4b0dbc4c23c7281daa1f988a3b3", "share": 1, "hp_model": "Stiebel Eltron WPE-I 12 H 230", "hp_type": "Ground Source", "hp_output": 12, "refrigerant": "R454C", "dhw_method": "Cylinder with coil", "cylinder_volume": 300, "dhw_coil_hex_area": 4, "new_radiators": 0, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Low loss header", "flow_temp": 35, "flow_temp_typical": "30", "wc_curve": 0.2, "freeze": "Not applicable", "zone_number": 4, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 47, "legionella_frequency": "Flexible", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 251, "heat_demand": 0, "heat_loss": 7, "age": "2012 or newer", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "Octopus Energy Intelligent Octopus Go", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "10", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 3500, "solar_pv_self_consumption": 90, "solar_pv_divert": 1, "battery_storage_capacity": 20, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Kamstrup heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 1, "metering_inc_controls": 0, "notes": "GSHP brine loops are glycol filled. Heating system water is chemical free, filled to VDI 2035 standards.", "mid_metering": 1, "kwh_m2": "0", "design_temp": -4.5, "water_heat_demand": 0, "EPC_spaceheat_demand": "14067", "EPC_waterheat_demand": "2333", "heatgeek": 0, "indoor_temperature": 0, "betateach": "https://betatalk.buzzsprout.com/509671/2505385", "emoncmsorg_userid": 0, "installer_logo": "mwphs.png", "ultimaterenewables": 0, "heatingacademy": 1, "youtube": "", "data_flag": 0, "data_flag_note": null, "hp_max_output": 0, "measured_base_DT": 6, "measured_design_DT": 23, "measured_heat_loss": 5, "measured_heat_loss_range": 1, "hp_max_output_test": 0, "volumiser": 1, "legionella_immersion": 0, "metering_inc_immersion": 1, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 1, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 0, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 9, "userid": 9, "published": 1, "last_updated": 1729117121, "location": "Sheffield", "installer_name": "Damon Blakemore", "installer_url": "https://blakemoreplumbingandheating.co.uk/", "url": "https://emoncms.org/energystatsuk", "share": 1, "hp_model": "Vaillant Arotherm+", "hp_type": "Air Source", "hp_output": 5, "refrigerant": "R290", "dhw_method": "Cylinder with plate heat exchanger", "cylinder_volume": 250, "dhw_coil_hex_area": 3, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 40, "flow_temp_typical": "0", "wc_curve": 0.5, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Weather compensation with a little room influence", "dhw_control_type": "Twice daily scheduled heat up of tank", "dhw_target_temperature": 48, "legionella_frequency": "Fornightly", "legionella_target_temperature": 51, "property": "Semi-detached", "floor_area": 98, "heat_demand": 9000, "heat_loss": 5.4, "age": "1900 to 1939", "insulation": "Some insulation in walls and loft", "electricity_tariff": "Octopus Intelligent", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "14", "electricity_tariff_unit_rate_hp": "0", "solar_pv_generation": 4200, "solar_pv_self_consumption": 90, "solar_pv_divert": 0, "battery_storage_capacity": 16, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "https://energy-stats.uk/my-5kw-vaillant-arotherm-heat-pump/", "mid_metering": 1, "kwh_m2": "92", "design_temp": -3, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 1, "indoor_temperature": 1, "betateach": "https://betatalk.buzzsprout.com/509671/13046892", "emoncmsorg_userid": 45893, "installer_logo": "blakemoreplumbingandheating.jpg", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 6.4, "measured_base_DT": 4.3, "measured_design_DT": 23, "measured_heat_loss": 4.14, "measured_heat_loss_range": 0.6, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 25.8491, "measured_mean_flow_temp_coldest_day": 37.01, "measured_max_flow_temp_coldest_day": 39.8, "measured_outside_temp_coldest_day": -1.9, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 9.4785, "weighted_flow_temp": 32.8716}, {"id": 10, "userid": 10, "published": 1, "last_updated": 1730133223, "location": "North Yorkshire", "installer_name": "Gavin Raitt", "installer_url": "http://petrog.com/temg/gr/ws/index.html", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=d1f298a94981a240331d3856adb69667", "share": 1, "hp_model": "Grant Aerona3 (hybrid)", "hp_type": "Air Source", "hp_output": 6, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 210, "dhw_coil_hex_area": 2, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "35", "wc_curve": 0, "freeze": "Central heat pump water circulation", "zone_number": 1, "space_heat_control_type": "Weather compensation with simple set point control", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 51, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 165, "heat_demand": 15500, "heat_loss": 6.25, "age": "1983 to 2011", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "Intelligent Octopus", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": "0", "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 1, "battery_storage_capacity": 6, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Kamstrup heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "WC + 3rd party thermostat EPH CP4M. The heat pump is part of a hybrid system, a gas boiler will start to take over at around 0C https://x.com/HeatingGavin/status/1754595754667028672", "mid_metering": 1, "kwh_m2": "94", "design_temp": -3, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": null, "emoncmsorg_userid": 45189, "installer_logo": "petrog.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 6, "measured_base_DT": 4, "measured_design_DT": 23, "measured_heat_loss": 4.5, "measured_heat_loss_range": 0.7, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 23.4062, "measured_mean_flow_temp_coldest_day": 30.05, "measured_max_flow_temp_coldest_day": 37.7, "measured_outside_temp_coldest_day": -2.13, "measured_emitter_spec": 20, "measured_system_volume": 180, "weighted_average_ideal_carnot": 10.0144, "weighted_flow_temp": 30.2276}, {"id": 11, "userid": 11, "published": 1, "last_updated": 1729117569, "location": "Derby", "installer_name": "Carbon Legacy Ltd", "installer_url": "https://www.carbonlegacy.co.uk", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=6d0aa54296732b559a2afc0256180f21", "share": 1, "hp_model": "NIBE F1145", "hp_type": "Ground Source", "hp_output": 8, "refrigerant": "R407C", "dhw_method": "Cylinder with coil", "cylinder_volume": 210, "dhw_coil_hex_area": 2.3, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Low loss header", "flow_temp": 33, "flow_temp_typical": "29", "wc_curve": 6, "freeze": "Not applicable", "zone_number": 4, "space_heat_control_type": "Weather compensation with simple set point control", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 50, "legionella_frequency": "Disabled", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 315, "heat_demand": 4542, "heat_loss": 7.812, "age": "2012 or newer", "insulation": "Passivhaus", "electricity_tariff": "Intelligent Octopus GO", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "11", "electricity_tariff_unit_rate_hp": "0", "solar_pv_generation": 5000, "solar_pv_self_consumption": 60, "solar_pv_divert": 1, "battery_storage_capacity": 0, "electric_meter": "Other pulse output meter (class 1)", "heat_meter": "Kamstrup heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 1, "metering_inc_controls": 1, "notes": "UFH zones (x4) set for max 25C slab temp; radiators and MVHR duct heater are 'open'. Passivhaus Institute certified Low-Energy Building. F1145 GSHP compressor uses old-school on/off control rather than a variable-speed inverter drive. GSHP schedule is 'blocked' 16:00 - 19:15. Since the diverter valve is inside the GSHP unit casing (hence separate output pipes for DHW and CH) there are two heat meters, one for each 'flow' circuit. DHW versus CH is inferred by comparing the flow rates from the meters.", "mid_metering": 1, "kwh_m2": "14", "design_temp": 0, "water_heat_demand": 2331, "EPC_spaceheat_demand": "4542", "EPC_waterheat_demand": "2331", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 46068, "installer_logo": "carbonlegacy.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": "", "hp_max_output": 8, "measured_base_DT": 10, "measured_design_DT": 23, "measured_heat_loss": 3, "measured_heat_loss_range": 1, "hp_max_output_test": 0, "volumiser": 1, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 37.01, "measured_max_flow_temp_coldest_day": 34.1, "measured_outside_temp_coldest_day": -2.11, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 59, "userid": 55, "published": 1, "last_updated": 1730340347, "location": "Oxford", "installer_name": "Andy Silvester", "installer_url": "", "url": "https://emoncms.org/app/view?name=ASHP+Primary&readkey=fe88357b2487f8e39f23c017a6d9d162", "share": 1, "hp_model": "Vaillant Arotherm+", "hp_type": "Air Source", "hp_output": 5, "refrigerant": "R290", "dhw_method": "Phase change store", "cylinder_volume": 0, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "Buffer", "flow_temp": 45, "flow_temp_typical": "30", "wc_curve": 0.4, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Weather compensation with a little room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 55, "legionella_frequency": "", "legionella_target_temperature": 0, "property": "End-terrace", "floor_area": 109, "heat_demand": 7500, "heat_loss": 4.5, "age": "1900 to 1939", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "Octopus Go", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 8, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "See separate metering of CH system post-buffer at https://emoncms.org/app/view?name=MyHeatpump2Secondary&readkey=fe88357b2487f8e39f23c017a6d9d162. DHW runs every other day off peak (4 x per week) into Sunamp store.", "mid_metering": 1, "kwh_m2": "69", "design_temp": -3, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 1, "indoor_temperature": 1, "betateach": null, "emoncmsorg_userid": 29806, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 6.1, "measured_base_DT": 4.1, "measured_design_DT": 23, "measured_heat_loss": 3.4, "measured_heat_loss_range": 0.5, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 1, "weighted_average_flow_minus_outside": 28.0568, "measured_mean_flow_temp_coldest_day": 39.25, "measured_max_flow_temp_coldest_day": 40.9, "measured_outside_temp_coldest_day": -2.62, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 8.84391, "weighted_flow_temp": 32.8592}, {"id": 12, "userid": 12, "published": 1, "last_updated": 1714160974, "location": "West Yorkshire", "installer_name": "Therma Renewables", "installer_url": "https://www.thermarenewables.co.uk/", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=91f8fe2e4f55c147fa5f51afd4b6b876", "share": 1, "hp_model": "Mitsubishi Ecodan", "hp_type": "Air Source", "hp_output": 8.5, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 210, "dhw_coil_hex_area": 0.68, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "Low loss header", "flow_temp": 45, "flow_temp_typical": "33", "wc_curve": 0, "freeze": "Central heat pump water circulation", "zone_number": 1, "space_heat_control_type": "Weather compensation with simple set point control", "dhw_control_type": "Twice daily scheduled heat up of tank", "dhw_target_temperature": 46, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 170, "heat_demand": 15452, "heat_loss": 8, "age": "1983 to 2011", "insulation": "Some insulation in walls and loft", "electricity_tariff": "Octopus Agile", "electricity_tariff_type": "Variable half hourly", "electricity_tariff_unit_rate_all": "13.5", "electricity_tariff_unit_rate_hp": "0", "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 1, "battery_storage_capacity": 0, "electric_meter": "OpenEnergyMonitor EmonPi v1, EmonTx3 or earlier", "heat_meter": "Sika or Grundfos VFS flow meter", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "", "mid_metering": 0, "kwh_m2": "91", "design_temp": -5.2, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": null, "emoncmsorg_userid": 24284, "installer_logo": "thermarenewables.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 1, "data_flag_note": "Offset between flow and return temps when compressor is off results in error in measured heat.", "hp_max_output": 8.5, "measured_base_DT": 2, "measured_design_DT": 23, "measured_heat_loss": 5, "measured_heat_loss_range": 1, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 1, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 36.9, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": -1.62, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 13, "userid": 13, "published": 1, "last_updated": 1698923443, "location": "Machynlleth, Wales", "installer_name": "Smart Energy Systems", "installer_url": "http://www.smartenergysystems.wales/", "url": "https://emoncms.org/ecodantest2/app/view?name=My+Heatpump", "share": 1, "hp_model": "Mitsubishi Ecodan", "hp_type": "Air Source", "hp_output": 5, "refrigerant": "R32", "dhw_method": "None", "cylinder_volume": 0, "dhw_coil_hex_area": 0, "new_radiators": 0, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "None", "flow_temp": 35, "flow_temp_typical": "30", "wc_curve": 0, "freeze": "Glycol/water mixture", "zone_number": 1, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Not applicable", "dhw_target_temperature": 0, "legionella_frequency": "No cylinder", "legionella_target_temperature": 0, "property": "Office building", "floor_area": 50, "heat_demand": 7500, "heat_loss": 1.5, "age": "Pre-1900", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": null, "electricity_tariff_type": null, "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": "0", "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "", "mid_metering": 1, "kwh_m2": "150", "design_temp": -3, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 43736, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 5, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 26.59, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": -6.22, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 14, "userid": 14, "published": 1, "last_updated": 1727177480, "location": "Malton, North Yorkshire", "installer_name": "Peak Power Systems", "installer_url": null, "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=ec8d930e394b95a9eb630b178fe894fc", "share": 1, "hp_model": "Mitsubishi Ecodan", "hp_type": "Air Source", "hp_output": 14, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 200, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "Low loss header", "flow_temp": 50, "flow_temp_typical": "0", "wc_curve": 0, "freeze": "Glycol/water mixture", "zone_number": 1, "space_heat_control_type": "Weather compensation with simple set point control", "dhw_control_type": "Twice daily scheduled heat up of tank", "dhw_target_temperature": 0, "legionella_frequency": "Disabled", "legionella_target_temperature": 0, "property": "Detached", "floor_area": 150, "heat_demand": 41699, "heat_loss": 14, "age": "Pre-1900", "insulation": "Solid walls", "electricity_tariff": null, "electricity_tariff_type": "Single fixed rate", "electricity_tariff_unit_rate_all": "29", "electricity_tariff_unit_rate_hp": "0", "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "OpenEnergyMonitor EmonPi v1, EmonTx3 or earlier", "heat_meter": "Other heat meter", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "Controls: Weather comp - with 3rd party stat(nest) set high, Installed with hydraulic separation but primary and 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CH ~140litre volume. ESPAltherma logs flow rate from Daikin. Onewire Temp sensors on pipework, offsets tuned 20/4/24. 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0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 1, "metering_inc_controls": 1, "notes": "Mixergy tank scheduled tank heating.  Electricity monitoring with a Shelly EM+. Thermal power calculated from internal HP measurements using ESPAltherma", "mid_metering": 0, "kwh_m2": "85", "design_temp": -2.2, "water_heat_demand": 1904, "EPC_spaceheat_demand": "8181", "EPC_waterheat_demand": "1904", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "octopus.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 5.4, "measured_base_DT": 0, "measured_design_DT": 23, "measured_heat_loss": 2.9, "measured_heat_loss_range": 0.5, "hp_max_output_test": 0, "volumiser": 1, "legionella_immersion": 1, "metering_inc_immersion": 1, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 25.0592, "measured_mean_flow_temp_coldest_day": 34.3, "measured_max_flow_temp_coldest_day": 39.2, "measured_outside_temp_coldest_day": -2.29, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 9.90804, "weighted_flow_temp": 32.399}, {"id": 82, "userid": 91, "published": 1, "last_updated": 1729117694, "location": "Varese - Italy", "installer_name": "", "installer_url": "", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=16eb3f5fb2b16485110a05f6d9c19635", "share": 1, "hp_model": "Mitsubishi Ecodan", "hp_type": "Air Source", "hp_output": 8.5, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 300, "dhw_coil_hex_area": 1, "new_radiators": 0, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Buffer", "flow_temp": 35, "flow_temp_typical": "30", "wc_curve": 0, "freeze": "Central heat pump water circulation", "zone_number": 2, "space_heat_control_type": "Weather compensation with simple set point control", "dhw_control_type": "Automatic top up of tank if temperature drops by 6-10C", "dhw_target_temperature": 50, "legionella_frequency": "Fornightly", "legionella_target_temperature": 60, "property": "Semi-detached", "floor_area": 120, "heat_demand": 59, "heat_loss": 0, "age": "2012 or newer", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 4447, "solar_pv_self_consumption": 75, "solar_pv_divert": 0, "battery_storage_capacity": 10, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Kamstrup heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "", "mid_metering": 1, "kwh_m2": "0", "design_temp": -5, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 8.5, "measured_base_DT": 2, "measured_design_DT": 23, "measured_heat_loss": 3.5, "measured_heat_loss_range": 0.5, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 1, "metering_inc_immersion": 1, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 1, "weighted_average_flow_minus_outside": 28.657, "measured_mean_flow_temp_coldest_day": 36.02, "measured_max_flow_temp_coldest_day": 38.4, "measured_outside_temp_coldest_day": -0.29, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 8.8032, "weighted_flow_temp": 32.4347}, {"id": 83, "userid": 92, "published": 1, "last_updated": 1729117486, "location": "Croydon", "installer_name": "Elite Renewables", "installer_url": "https://www.eliterenewables.co.uk/", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=1f6016806ac66c4948f95ad5458886ff", "share": 1, "hp_model": "LG Therma V", "hp_type": "Air Source", "hp_output": 16, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 279, "dhw_coil_hex_area": 2.86, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Buffer", "flow_temp": 50, "flow_temp_typical": "37", "wc_curve": 0, "freeze": "Glycol/water mixture", "zone_number": 3, "space_heat_control_type": "Weather compensation with simple set point control", "dhw_control_type": "Automatic top up of tank if temperature drops by 3-6C", "dhw_target_temperature": 45, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 241, "heat_demand": 28861, "heat_loss": 11.796, "age": "1900 to 1939", "insulation": "Some insulation in walls and loft", "electricity_tariff": "Octopus Agile", "electricity_tariff_type": "Variable half hourly", "electricity_tariff_unit_rate_all": "20", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 5000, "solar_pv_self_consumption": 50, "solar_pv_divert": 0, "battery_storage_capacity": 19, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 0, "notes": "", "mid_metering": 1, "kwh_m2": "120", "design_temp": -2.31, "water_heat_demand": 7342, "EPC_spaceheat_demand": "19627", "EPC_waterheat_demand": "2362", "heatgeek": 0, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "eliterenewables.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 16, "measured_base_DT": 3, "measured_design_DT": 23, "measured_heat_loss": 9.5, "measured_heat_loss_range": 1, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 28.7471, "measured_mean_flow_temp_coldest_day": 41.95, "measured_max_flow_temp_coldest_day": 44, "measured_outside_temp_coldest_day": -0.33, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 8.76645, "weighted_flow_temp": 36.4165}, {"id": 86, "userid": 96, "published": 1, "last_updated": 1729117300, "location": "Cambridgeshire", "installer_name": "Octopus Energy Services", "installer_url": "https://octopus.energy/get-a-heat-pump", "url": "https://emoncms.org/app/view?name=9ChurchStreet&readkey=53fbf32311dcafcbf15209adc8e10c7f", "share": 1, "hp_model": "Daikin Altherma 3", "hp_type": "Air Source", "hp_output": 11, "refrigerant": "R32", "dhw_method": "Cylinder with plate heat exchanger", "cylinder_volume": 210, "dhw_coil_hex_area": 3, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "None", "flow_temp": 42, "flow_temp_typical": "35", "wc_curve": 0.6, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 50, "legionella_frequency": "Daily", "legionella_target_temperature": 65, "property": "Detached", "floor_area": 150, "heat_demand": 0, "heat_loss": 9, "age": "Pre-1900", "insulation": "Some insulation in walls and loft", "electricity_tariff": "Agile", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "Other electricity meter", "heat_meter": "Heat pump integration", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "Optimised for operational cost, not CoP. Mixergy tank too small so boosted from ~50 to 65C with immersion and protected by TMV to boost capacity.  Octopus installed a 11kW HP rather than 9kW as specified, kept it as useful for integration for Intelligent Octopus additional off-peak slots, or Octopus Power-up sessions. Running at delta 5C flow/return target. Data sourced from ESPAltherma M5StickC-plus on the X10 of the unit and myenergi CT clamp on the heat pump power cable. Installed September 2022. Filter/strainer cleaned out November 13 '23 and max flow jumped from 24l/m to 30l/m. Daikin Altherma 3M EDLA11DA3V3 - As of December 11 2023, reporting using the \"Leaving Water after BUH R2T\" sensor", "mid_metering": 0, "kwh_m2": "0", "design_temp": -3, "water_heat_demand": 0, "EPC_spaceheat_demand": "13397", "EPC_waterheat_demand": "2627", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "octopus.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": "", "hp_max_output": 10.8, "measured_base_DT": 0, "measured_design_DT": 23, "measured_heat_loss": 5.92, "measured_heat_loss_range": 0.6, "hp_max_output_test": 7.8, "volumiser": 1, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 26.8734, "measured_mean_flow_temp_coldest_day": 34.87, "measured_max_flow_temp_coldest_day": 37.9, "measured_outside_temp_coldest_day": -3.4, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 36.2288}, {"id": 87, "userid": 57, "published": 1, "last_updated": 1729271190, "location": " (Laubeck) East riding of Yorkshire", "installer_name": "Private contractor/self install", "installer_url": "", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=378d8e7dfb8095b1b3d3f21ae21493e0", "share": 1, "hp_model": "Daikin Altherma 3", "hp_type": "Air Source", "hp_output": 9, "refrigerant": "R32", "dhw_method": "Cylinder with plate heat exchanger", "cylinder_volume": 210, "dhw_coil_hex_area": 3, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "37", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Weather compensation with significant room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 51, "legionella_frequency": "Fornightly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 150, "heat_demand": 4625, "heat_loss": 0, "age": "1983 to 2011", "insulation": "Cavity wall, plus some loft insulation", "electricity_tariff": "Octopus Intelligent", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "26", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 9, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Kamstrup heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 0, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "Mixergy cylinder with heat pump kit", "mid_metering": 1, "kwh_m2": "31", "design_temp": -3, "water_heat_demand": 2048, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 8.4, "measured_base_DT": 5, "measured_design_DT": 23, "measured_heat_loss": 4.8, "measured_heat_loss_range": 0.7, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 1, "metering_inc_immersion": 1, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 29.4673, "measured_mean_flow_temp_coldest_day": 37.7, "measured_max_flow_temp_coldest_day": 43, "measured_outside_temp_coldest_day": -1.95, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 36.5213}, {"id": 88, "userid": 99, "published": 1, "last_updated": 1729117325, "location": "Lichfield, UK", "installer_name": "Niche Energy Systems Ltd", "installer_url": "https://nicheenergy.co.uk/", "url": "https://emoncms.org/app/view?name=SE_Heatpump&readkey=924cd6c68b50da86629e55aeb2a63114", "share": 1, "hp_model": "Stiebel Eltron WPL25-AS", "hp_type": "Air Source", "hp_output": 12.5, "refrigerant": "R290", "dhw_method": "Cylinder with coil", "cylinder_volume": 200, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Buffer", "flow_temp": 40, "flow_temp_typical": "40", "wc_curve": 0.62, "freeze": "Glycol/water mixture", "zone_number": 3, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Twice daily scheduled heat up of tank", "dhw_target_temperature": 50, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 202, "heat_demand": 25742, "heat_loss": 10.9, "age": "1940 to 1982", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "Octopus Intelligent Go", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "22", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 4500, "solar_pv_self_consumption": 95, "solar_pv_divert": 0, "battery_storage_capacity": 13, "electric_meter": "OpenEnergyMonitor EmonPi v1, EmonTx3 or earlier", "heat_meter": "Heat pump integration", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 0, "metering_inc_brine_pumps": 0, "metering_inc_controls": 0, "notes": "", "mid_metering": 0, "kwh_m2": "127", "design_temp": -3, "water_heat_demand": 5679, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "nicheenergy.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 12.5, "measured_base_DT": 2.3, "measured_design_DT": 23, "measured_heat_loss": 10.12, "measured_heat_loss_range": 0.8, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 28.5127, "measured_mean_flow_temp_coldest_day": 40.1, "measured_max_flow_temp_coldest_day": 36.6, "measured_outside_temp_coldest_day": 0.68, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 8.78427, "weighted_flow_temp": 35.9605}, {"id": 115, "userid": 32, "published": 1, "last_updated": 1729117096, "location": "Hatfield, Hertfordshire", "installer_name": "Libtek", "installer_url": "https://www.libtek.co.uk/", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=9113a9c7a69e546a09e8c1d188852848", "share": 1, "hp_model": "Vaillant Arotherm+", "hp_type": "Air Source", "hp_output": 5, "refrigerant": "R290", "dhw_method": "Cylinder with coil", "cylinder_volume": 170, "dhw_coil_hex_area": 4, "new_radiators": 0, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "35", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 50, "legionella_frequency": "Disabled", "legionella_target_temperature": 0, "property": "Detached", "floor_area": 134, "heat_demand": 0, "heat_loss": 4, "age": "1983 to 2011", "insulation": "Some insulation in walls and loft", "electricity_tariff": "", "electricity_tariff_type": "", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Kamstrup heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "", "mid_metering": 1, "kwh_m2": "0", "design_temp": -2.5, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 1, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "libtek.png", "ultimaterenewables": 0, "heatingacademy": 1, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 6.1, "measured_base_DT": 3.7, "measured_design_DT": 23, "measured_heat_loss": 3, "measured_heat_loss_range": 0.3, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 24.7845, "measured_mean_flow_temp_coldest_day": 36.04, "measured_max_flow_temp_coldest_day": 39.1, "measured_outside_temp_coldest_day": -1.38, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 9.80617, "weighted_flow_temp": 31.8081}, {"id": 90, "userid": 101, "published": 1, "last_updated": 1729117436, "location": "Kidlington", "installer_name": "Custom renewables ", "installer_url": "https://custom-renewables.com/", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=b2f5c5bf86de59f0cd3190406fa4e051", "share": 1, "hp_model": "Vaillant Arotherm+", "hp_type": "Air Source", "hp_output": 5, "refrigerant": "R290", "dhw_method": "Cylinder with coil", "cylinder_volume": 200, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "0", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 0, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Automatic top up of tank if temperature drops by 6-10C", "dhw_target_temperature": 55, "legionella_frequency": "Disabled", "legionella_target_temperature": 0, "property": "Semi-detached", "floor_area": 90.2, "heat_demand": 0, "heat_loss": 0, "age": "1983 to 2011", "insulation": "Some insulation in walls and loft", "electricity_tariff": "", "electricity_tariff_type": "", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "", "mid_metering": 1, "kwh_m2": "0", "design_temp": -3, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 1, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "custom-renewables.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 6.1, "measured_base_DT": 4, "measured_design_DT": 23, "measured_heat_loss": 3.6, "measured_heat_loss_range": 0.3, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 28.2962, "measured_mean_flow_temp_coldest_day": 39.22, "measured_max_flow_temp_coldest_day": 42.1, "measured_outside_temp_coldest_day": -2.62, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 8.84898, "weighted_flow_temp": 34.0098}, {"id": 95, "userid": 106, "published": 1, "last_updated": 1727359571, "location": "Banavie, Fort William", "installer_name": "KS Refrigeration", "installer_url": "https://www.ks-refrigeration.co.uk/", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=37e4de18fdeaaadeccc412231018c10d", "share": 1, "hp_model": "Mitsubishi SRC20ZSX-W", "hp_type": "Air-to-Air", "hp_output": 2.7, "refrigerant": "R32", "dhw_method": "Other", "cylinder_volume": 0, "dhw_coil_hex_area": 0, "new_radiators": 0, "old_radiators": 0, "fan_coil_radiators": 1, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 0, "flow_temp_typical": "0", "wc_curve": 0, "freeze": "Glycol/water mixture", "zone_number": 0, "space_heat_control_type": "Room influence only (e.g Auto adapt)", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 50, "legionella_frequency": "Monthly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 105, "heat_demand": 3000, "heat_loss": 1.3, "age": "1940 to 1982", "insulation": "Passivhaus", "electricity_tariff": "Octopus Go", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "18.74", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "No heat meter", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 0, "metering_inc_brine_pumps": 0, "metering_inc_controls": 0, "notes": "Passivhaus EnerPHit of a 1975 timber frame house. Single indoor fan coil unit in dining room providing all heating for whole house. Hot water generation via hot water heat pump taking heat from house, therefore approx 2 kWh of heat per day provided by air to air heating is actually contributing to water heating demand rather than space heating demand. Heat monitoring and therefore COP not available since it's air to air. Monitoring of hot water heat pump happening manually and not showing here.", "mid_metering": 0, "kwh_m2": "20", "design_temp": 0, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "ks-refrigeration.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 0, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 0, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 123, "userid": 154, "published": 1, "last_updated": 1704062173, "location": "Brighton & Hove", "installer_name": "A.R.Evans", "installer_url": "https://www.arevansplumbingandheating.co.uk/", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=e98d999803c31d3d24cd622f4fb2c1bb", "share": 1, "hp_model": "Vaillant Arotherm+", "hp_type": "Air Source", "hp_output": 5, "refrigerant": "R290", "dhw_method": "Cylinder with coil", "cylinder_volume": 150, "dhw_coil_hex_area": 1, "new_radiators": 0, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "None", "flow_temp": 44, "flow_temp_typical": "35", "wc_curve": 0.6, "freeze": "Anti-freeze valves", "zone_number": 2, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 47, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Mid-terrace", "floor_area": 78, "heat_demand": 3425, "heat_loss": 2.07, "age": "Pre-1900", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "Octopus Flexible", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "32.7", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Kamstrup heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 0, "notes": "", "mid_metering": 1, "kwh_m2": "44", "design_temp": -2.1, "water_heat_demand": 1455, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "arevansplumbingandheating.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": "", "hp_max_output": 6.2, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 30.5174, "measured_mean_flow_temp_coldest_day": 39.75, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": -0.86, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 38.0506}, {"id": 106, "userid": 127, "published": 1, "last_updated": 1729117698, "location": "Alcester, Warwickshire", "installer_name": "Greenway Energy", "installer_url": "https://www.greenwayenergyltd.co.uk", "url": "https://emoncms.org/app/view?name=House+Heatpump&readkey=c1b7e21a79a1e2044111030760cac692", "share": 1, "hp_model": "Samsung Gen 6", "hp_type": "Air Source", "hp_output": 16, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 400, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Buffer", "flow_temp": 42, "flow_temp_typical": "37", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 8, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Twice daily scheduled heat up of tank", "dhw_target_temperature": 55, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 210, "heat_demand": 25000, "heat_loss": 11, "age": "1983 to 2011", "insulation": "Some insulation in walls and loft", "electricity_tariff": "Octopus Intelligent", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "18", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 38000, "solar_pv_self_consumption": 35, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "", "mid_metering": 1, "kwh_m2": "119", "design_temp": -2, "water_heat_demand": 7000, "EPC_spaceheat_demand": "15000", "EPC_waterheat_demand": "2840", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "greenwayenergyltd.jpg", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 1, "data_flag_note": "Heat from immersion heater output not included in heat output, incorrect COP as a result", "hp_max_output": 13.4, "measured_base_DT": 4, "measured_design_DT": 23, "measured_heat_loss": 7.3, "measured_heat_loss_range": 1, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 1, "metering_inc_immersion": 1, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 29.0533, "measured_mean_flow_temp_coldest_day": 36.49, "measured_max_flow_temp_coldest_day": 42.8, "measured_outside_temp_coldest_day": -2.52, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 8.62793, "weighted_flow_temp": 35.8785}, {"id": 96, "userid": 108, "published": 1, "last_updated": 1728418674, "location": "Mayfield, East Sussex", "installer_name": "Andrew Packman Plumbing", "installer_url": "mailto:andrewpackman@btinternet.com", "url": "https://emoncms.org/app/view?name=Sharnden&readkey=6b9c46d7653ab588480aef77d4afe957", "share": 1, "hp_model": "2x Kensa Evo 15", "hp_type": "Water Source", "hp_output": 30, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 0, "dhw_coil_hex_area": 0, "new_radiators": 0, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Low loss header", "flow_temp": 45, "flow_temp_typical": "0", "wc_curve": 0, "freeze": "Not applicable", "zone_number": 0, "space_heat_control_type": "Room influence only (e.g Auto adapt)", "dhw_control_type": "Not applicable", "dhw_target_temperature": 0, "legionella_frequency": "No cylinder", "legionella_target_temperature": 0, "property": "Detached", "floor_area": 200, "heat_demand": 0, "heat_loss": 0, "age": "Pre-1900", "insulation": "Some insulation in walls and loft", "electricity_tariff": "", "electricity_tariff_type": "", "electricity_tariff_unit_rate_all": "32", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "SDM630 Modbus/MBUS Three Phase (class 1)", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 0, "metering_inc_brine_pumps": 1, "metering_inc_controls": 0, "notes": "Heat collection from weir using 2x Nuenta energy blades", "mid_metering": 1, "kwh_m2": "0", "design_temp": 0, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 0, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 34.89, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 97, "userid": 2, "published": 1, "last_updated": 1731618833, "location": "Llanfrothen, Gwynedd", "installer_name": "Baxter Kelly (Eco4)", "installer_url": "https://baxterkelly.co.uk", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=e24536fb68b132b864fa396d0de44da5", "share": 1, "hp_model": "Grant Aerona3", "hp_type": "Air Source", "hp_output": 10, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 210, "dhw_coil_hex_area": 2, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "36", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Manual flow temperature control", "dhw_control_type": "Manual control of tank temperature", "dhw_target_temperature": 45, "legionella_frequency": "Disabled", "legionella_target_temperature": 55, "property": "Semi-detached", "floor_area": 92, "heat_demand": 8000, "heat_loss": 6.6, "age": "1940 to 1982", "insulation": "Cavity wall, plus some loft insulation", "electricity_tariff": "Good Energy E7", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "28", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 3400, "solar_pv_self_consumption": 75, "solar_pv_divert": 1, "battery_storage_capacity": 0, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "Installed with standard Grant Honeywell T3 TPI controls, see excessive cycling early on before changing to 25C room target and just turning controller on/off. Installer assessed DHW demand 3400 kWh, space  heating demand would be 13000 kWh based on a 1800 degree days value. More likely much less than this!", "mid_metering": 1, "kwh_m2": "87", "design_temp": -3, "water_heat_demand": 2300, "EPC_spaceheat_demand": "7847", "EPC_waterheat_demand": "2319", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": "", "hp_max_output": 10, "measured_base_DT": 3, "measured_design_DT": 23, "measured_heat_loss": 3.8, "measured_heat_loss_range": 0.8, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 28.3359, "measured_mean_flow_temp_coldest_day": 33.17, "measured_max_flow_temp_coldest_day": 34.8, "measured_outside_temp_coldest_day": -0.96, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 35.3738}, {"id": 357, "userid": 404, "published": 1, "last_updated": 1726876735, "location": "Newcastle upon Tyne", "installer_name": "SBM Energy Solutions Ltd", "installer_url": "https://sbmenergysolutions.com/", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=264f9e4df3fbefed340be75e6255cc30", "share": 1, "hp_model": "Vaillant Arotherm+", "hp_type": "Air Source", "hp_output": 7, "refrigerant": "R290", "dhw_method": "Cylinder with coil", "cylinder_volume": 191, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "35", "wc_curve": 0.5, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 41, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Semi-detached", "floor_area": 129, "heat_demand": 14500, "heat_loss": 8.81, "age": "1900 to 1939", "insulation": "Cavity wall, plus some loft insulation", "electricity_tariff": "Agile", "electricity_tariff_type": "Variable half hourly", "electricity_tariff_unit_rate_all": "20", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 2600, "solar_pv_self_consumption": 50, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Axioma Qalcosonic heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "", "mid_metering": 1, "kwh_m2": null, "design_temp": -4, "water_heat_demand": 3821, "EPC_spaceheat_demand": "13190", "EPC_waterheat_demand": "2301", "heatgeek": 1, "indoor_temperature": 1, "betateach": "", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": "", "data_flag": 0, "data_flag_note": "", "hp_max_output": 7, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 0, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 358, "userid": 400, "published": 1, "last_updated": 1727867285, "location": "Bournemouth", "installer_name": "Octopus Energy Services", "installer_url": "https://share.octopus.energy/soft-loris-736", "url": "https://emoncms.org/app/view?name=DaikinASHP&readkey=ec7e60165389e53feaf0cfdd3262b743", "share": 1, "hp_model": "Daikin Altherma 3", "hp_type": "Air Source", "hp_output": 8, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 200, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "Don't know", "flow_temp": 50, "flow_temp_typical": "0", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 48, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 106, "heat_demand": 9682, "heat_loss": 7487, "age": "1900 to 1939", "insulation": "Cavity wall, plus some loft insulation", "electricity_tariff": "Octopus Intelligent Go", "electricity_tariff_type": "Variable half hourly", "electricity_tariff_unit_rate_all": "7.07", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 7000, "solar_pv_self_consumption": 40, "solar_pv_divert": 0, "battery_storage_capacity": 13, "electric_meter": "Other electricity meter", "heat_meter": "Heat pump integration", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "Model EDLA08EV/BLYGD", "mid_metering": 0, "kwh_m2": null, "design_temp": -1.5, "water_heat_demand": 2918, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 1, "betateach": "", "emoncmsorg_userid": 0, "installer_logo": "share.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": "", "data_flag": 0, "data_flag_note": "", "hp_max_output": 0, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 1, "metering_inc_immersion": 1, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 0, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 113, "userid": 137, "published": 1, "last_updated": 1729268315, "location": "Bournemouth", "installer_name": "Self Install", "installer_url": "", "url": "https://emoncms.org/app/view?name=JtrentDaikinAltherma3&readkey=9ce13d5a95943eb1e95f03e12efe2a89", "share": 1, "hp_model": "Daikin Altherma 3", "hp_type": "Air Source", "hp_output": 8, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 250, "dhw_coil_hex_area": 0, "new_radiators": 0, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "None", "flow_temp": 38, "flow_temp_typical": "35", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 0, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Twice daily scheduled heat up of tank", "dhw_target_temperature": 45, "legionella_frequency": "Weekly", "legionella_target_temperature": 55, "property": "Bungalow", "floor_area": 120, "heat_demand": 5000, "heat_loss": 0, "age": "1900 to 1939", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "", "electricity_tariff_type": "", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "Other pulse output meter (class 1)", "heat_meter": "Heat pump integration", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 0, "metering_inc_brine_pumps": 0, "metering_inc_controls": 0, "notes": "ESPAltherma data feed and R1T sensor used without BUH (sensor is right before pump input), power metering with ShellyEM CT clamp inside main consumer unit", "mid_metering": 0, "kwh_m2": "42", "design_temp": -1, "water_heat_demand": 1000, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 7.32, "measured_base_DT": 0, "measured_design_DT": 23, "measured_heat_loss": 3.3, "measured_heat_loss_range": 0.5, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 25.6549, "measured_mean_flow_temp_coldest_day": 36.42, "measured_max_flow_temp_coldest_day": 36.9, "measured_outside_temp_coldest_day": 0.11, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 9.58954, "weighted_flow_temp": 35.9164}, {"id": 99, "userid": 103, "published": 1, "last_updated": 1729117613, "location": "Saffron Walden", "installer_name": "", "installer_url": "", "url": "https://hp.ashbeehouse.com/app/view?name=My+Heatpump&readkey=921d54396aa9ad66a8983409b165b664", "share": 1, "hp_model": "Mitsubishi Ecodan", "hp_type": "Air Source", "hp_output": 11.2, "refrigerant": "R410A", "dhw_method": "Cylinder with plate heat exchanger", "cylinder_volume": 300, "dhw_coil_hex_area": 0, "new_radiators": 0, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Low loss header", "flow_temp": 35, "flow_temp_typical": "30", "wc_curve": 0, "freeze": "Central heat pump water circulation", "zone_number": 1, "space_heat_control_type": "Custom controller", "dhw_control_type": "Twice daily scheduled heat up of tank", "dhw_target_temperature": 48, "legionella_frequency": "Disabled", "legionella_target_temperature": 0, "property": "Detached", "floor_area": 505, "heat_demand": 0, "heat_loss": 11.3, "age": "2012 or newer", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "Octopus Intelligent", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "15", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 1700, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "Other electricity meter", "heat_meter": "Kamstrup heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "System runs downstairs heating and DHW only. Open system controlled by Home Assistant via ESP Home relay (call for heat), heating trigger temperature higher during Octopus Intelligent cheap rate periods (typically 19.5C and 21.5C during cheap rate). Separate 11kW system running upstairs radiators. Emporia clamp three phase electricity monitor. Ecowitt weather station monitoring outside temperature. Indoor temperature average of all rooms. Now running with wireless thermostat in Auto Adapt mode (since 09/02/24).", "mid_metering": 0, "kwh_m2": "0", "design_temp": -3, "water_heat_demand": 0, "EPC_spaceheat_demand": "31603", "EPC_waterheat_demand": "2811", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": "", "hp_max_output": 10.7, "measured_base_DT": 2, "measured_design_DT": 23, "measured_heat_loss": 5.7, "measured_heat_loss_range": 1, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 1, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 33.16, "measured_max_flow_temp_coldest_day": 33.5, "measured_outside_temp_coldest_day": -2.97, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 105, "userid": 109, "published": 1, "last_updated": 1729117105, "location": "Chelmsford, Essex", "installer_name": "Greener Living / Self-install", "installer_url": "https://greenerliving.co.uk", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=3b4621e14913d94931dbec18659116da", "share": 1, "hp_model": "Mitsubishi Ecodan", "hp_type": "Air Source", "hp_output": 11.2, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 200, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 1, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "34", "wc_curve": 0, "freeze": "Central heat pump water circulation", "zone_number": 1, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Automatic top up of tank if temperature drops by 3-6C", "dhw_target_temperature": 44, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Semi-detached", "floor_area": 125, "heat_demand": 12000, "heat_loss": 8, "age": "1940 to 1982", "insulation": "Cavity wall, plus some loft insulation", "electricity_tariff": "", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "30", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 5500, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "Other electricity meter", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "Admin: there appears to be errors in the monitoring data ", "mid_metering": 0, "kwh_m2": "96", "design_temp": 0, "water_heat_demand": 2000, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "greenerliving.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 1, "data_flag_note": "temperature sensor offset error, reporting heat when compressor is off", "hp_max_output": 11.2, "measured_base_DT": 2, "measured_design_DT": 23, "measured_heat_loss": 6.09, "measured_heat_loss_range": 0.8, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 22.8678, "measured_mean_flow_temp_coldest_day": 35.09, "measured_max_flow_temp_coldest_day": 36.7, "measured_outside_temp_coldest_day": -1.16, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 31.268}, {"id": 108, "userid": 134, "published": 1, "last_updated": 1729117531, "location": "Ely, Cambridgeshire", "installer_name": "", "installer_url": "", "url": "https://emoncms.org/app/view?name=CambrianCottage&readkey=ad46976e06dc8d3ebabb409aad0688b5", "share": 1, "hp_model": "Samsung Gen 6", "hp_type": "Air Source", "hp_output": 12, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 279, "dhw_coil_hex_area": 2.97, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "30", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Weather compensation with significant room influence", "dhw_control_type": "Automatic top up of tank if temperature drops by 6-10C", "dhw_target_temperature": 50, "legionella_frequency": "Disabled", "legionella_target_temperature": 0, "property": "Detached", "floor_area": 210, "heat_demand": 25517, "heat_loss": 10.11, "age": "1983 to 2011", "insulation": "Cavity wall, plus some loft insulation", "electricity_tariff": "Flexible Octopus", "electricity_tariff_type": "Single fixed rate", "electricity_tariff_unit_rate_all": "27.93", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "AE120RXYDEG. Homely Control System", "mid_metering": 1, "kwh_m2": "122", "design_temp": -2, "water_heat_demand": 7464, "EPC_spaceheat_demand": "19448", "EPC_waterheat_demand": "2352", "heatgeek": 0, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": "", "data_flag": 0, "data_flag_note": null, "hp_max_output": 10.6, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 26.4537, "measured_mean_flow_temp_coldest_day": 32.49, "measured_max_flow_temp_coldest_day": 34.8, "measured_outside_temp_coldest_day": -2.33, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 9.31702, "weighted_flow_temp": 33.0247}, {"id": 110, "userid": 136, "published": 1, "last_updated": 1706573322, "location": "Sheffield", "installer_name": "Damon Blakemore (Repaired)", "installer_url": "", "url": "https://emoncms.org/app/view?name=NookLG&readkey=42825b08b5e70ef964dea86000b730ee", "share": 1, "hp_model": "LG Therma V", "hp_type": "Air Source", "hp_output": 12, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 300, "dhw_coil_hex_area": 3, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "35", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Custom controller", "dhw_control_type": "Automatic top up of tank if temperature drops by 6-10C", "dhw_target_temperature": 52, "legionella_frequency": "Weekly", "legionella_target_temperature": 0, "property": "Detached", "floor_area": 200, "heat_demand": 0, "heat_loss": 0, "age": "1983 to 2011", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "", "electricity_tariff_type": "", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "OpenEnergyMonitor EmonPi v1, EmonTx3 or earlier", "heat_meter": "Sharky heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "", "mid_metering": 0, "kwh_m2": "0", "design_temp": -4, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": "", "hp_max_output": 0, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 1, "metering_inc_immersion": 1, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 36.22, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": -1.68, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 111, "userid": 112, "published": 1, "last_updated": 1729271031, "location": "Reading UK", "installer_name": "Octopus Energy Services", "installer_url": "https://octopus.energy/get-a-heat-pump/", "url": "https://emoncms.org/app/view?name=DaikinEDLA09RevisedFlowT&readkey=798b7510494f9413958c7044e653480e", "share": 1, "hp_model": "Daikin Altherma 3 EDLA09D3V3", "hp_type": "Air Source", "hp_output": 9, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 205, "dhw_coil_hex_area": 2.5, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 50, "flow_temp_typical": "36", "wc_curve": 26, "freeze": "Central heat pump water circulation", "zone_number": 1, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 44, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 150, "heat_demand": 15000, "heat_loss": 8.8, "age": "1940 to 1982", "insulation": "Cavity wall, plus some loft insulation", "electricity_tariff": "Octopus Flux", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 9, "electric_meter": "Other electricity meter", "heat_meter": "Heat pump integration", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "Data from ESPAltherma on R2T (after BUH) and R4T, with CT clamp electricity meter. Tape heaters E11H & E12H disabled to allow correct sensor values", "mid_metering": 0, "kwh_m2": "100", "design_temp": -2.2, "water_heat_demand": 2000, "EPC_spaceheat_demand": "15000", "EPC_waterheat_demand": "2000", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "octopus.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": "", "hp_max_output": 8.4, "measured_base_DT": 5.2, "measured_design_DT": 30, "measured_heat_loss": 7, "measured_heat_loss_range": 0.5, "hp_max_output_test": 0, "volumiser": 1, "legionella_immersion": 1, "metering_inc_immersion": 1, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 27.5973, "measured_mean_flow_temp_coldest_day": 39.4, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": -1.6, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 9.00459, "weighted_flow_temp": 35.1419}, {"id": 114, "userid": 82, "published": 1, "last_updated": 1729521660, "location": "Cambridgeshire", "installer_name": "TS", "installer_url": "", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=972ce980c177e8264b7863c669f2c407", "share": 1, "hp_model": "Grant Aerona 3", "hp_type": "Air Source", "hp_output": 13, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 300, "dhw_coil_hex_area": 3, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Low loss header", "flow_temp": 40, "flow_temp_typical": "33", "wc_curve": 0, "freeze": "Glycol/water mixture", "zone_number": 2, "space_heat_control_type": "Custom controller", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 50, "legionella_frequency": "Fornightly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 190, "heat_demand": 15000, "heat_loss": 8, "age": "2012 or newer", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "", "electricity_tariff_type": "", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 1, "battery_storage_capacity": 0, "electric_meter": "Other electricity meter", "heat_meter": "Other heat meter", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 0, "notes": "Controller: Weather compensation curve as base line with auto adjustments to account for external influences eg solar, wind etc...Target room temperature 21.2\u00b0C ", "mid_metering": 0, "kwh_m2": "79", "design_temp": -3, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 0, "measured_base_DT": 0.6, "measured_design_DT": 23, "measured_heat_loss": 6.28, "measured_heat_loss_range": 1, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 29.1948, "measured_mean_flow_temp_coldest_day": 38.51, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": -2.36, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 36.283}, {"id": 116, "userid": 4, "published": 1, "last_updated": 1718407233, "location": "Gallt-y-foel, Gwynedd", "installer_name": "OpenEnergyMonitor (designed)", "installer_url": "https://openenergymonitor.org", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=8a81c75ad1d34e8e13c2ced822d315ce", "share": 1, "hp_model": "Samsung Gen 6", "hp_type": "Air Source", "hp_output": 5, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 250, "dhw_coil_hex_area": 3.3, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "None", "flow_temp": 35, "flow_temp_typical": "30", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 0, "space_heat_control_type": "Weather compensation with simple set point control", "dhw_control_type": "Automatic top up of tank if temperature drops by 6-10C", "dhw_target_temperature": 45, "legionella_frequency": "Disabled", "legionella_target_temperature": 0, "property": "Detached", "floor_area": 133, "heat_demand": 7000, "heat_loss": 5.5, "age": "Pre-1900", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "Octopus ", "electricity_tariff_type": "Single fixed rate", "electricity_tariff_unit_rate_all": "25", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "OpenEnergyMonitor EmonPi v2, EmonTx4 or newer", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "Fully open loop UFH + rads: UFH 16mm, 100mm spacing, 11 loop, approx 65m per loop", "mid_metering": 0, "kwh_m2": "53", "design_temp": -3, "water_heat_demand": 1500, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 1, "indoor_temperature": 1, "betateach": "https://betatalk.buzzsprout.com/509671/13940011-look-at-the-best-performing-heat-pump-systems-in-real-time", "emoncmsorg_userid": 0, "installer_logo": "openenergymonitor.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": "", "hp_max_output": 4.8, "measured_base_DT": 0, "measured_design_DT": 23, "measured_heat_loss": 5.43, "measured_heat_loss_range": 0.6, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 29.9, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 1.61, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 117, "userid": 144, "published": 1, "last_updated": 1729270709, "location": "Neath Port Talbot", "installer_name": "Octopus Energy Services", "installer_url": "https://octopus.energy", "url": "https://emoncms.org/app/view?name=ASHP&readkey=aa9541fb9467d82465c29bd01a574e63", "share": 1, "hp_model": "Daikin Altherma 3", "hp_type": "Air Source", "hp_output": 6, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 250, "dhw_coil_hex_area": 3, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 50, "flow_temp_typical": "35", "wc_curve": 0.6, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Weather compensation with simple set point control", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 48, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 110, "heat_demand": 9047, "heat_loss": 6.024, "age": "2012 or newer", "insulation": "Some insulation in walls and loft", "electricity_tariff": "", "electricity_tariff_type": "", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 21, "electric_meter": "Other electricity meter", "heat_meter": "Heat pump integration", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, 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"0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": "britishgas.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 8.8, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 42.94, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": -2.35, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 160, "userid": 190, "published": 1, "last_updated": 1727528856, "location": "Bristol", "installer_name": "BristolGasCo", "installer_url": 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0, "heatingacademy": 0, "youtube": null, "data_flag": 0, "data_flag_note": null, "hp_max_output": 0, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 30.2, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 4.72, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 162, "userid": 492, "published": 1, "last_updated": 1732205972, "location": "West Oxfordshire", "installer_name": "Octopus Energy Services", "installer_url": "https://octopus.energy/get-a-heat-pump/", "url": "https://emoncms.org/app/view?name=Heat+Pump&readkey=99740087ed4018f7221c2e874018a3b3", "share": 1, "hp_model": "Daikin 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Modulation by Madoka thermostat set to 3C. Overshoot set to 3C to reduce cycling at lowest LWTs. System design temp was 50C @ -2.4C, WDC is now 42C@-12C ->30C@12C. 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Only single open-loop UFH circuit typically used. MVHR. WWHRS.  Run on inactive room mod, as UFH in concrete slab is too slow to react for expanded to work (expanded is 90W idle though, due to pump on mixed circuit).", "mid_metering": 1, "kwh_m2": "11", "design_temp": -3, "water_heat_demand": 1652, "EPC_spaceheat_demand": "5923", "EPC_waterheat_demand": "2581", "heatgeek": 0, "indoor_temperature": 1, "betateach": "0", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": null, "data_flag": 1, "data_flag_note": "heat meter power output by +4% because I know it is dirty and under-reporting", "hp_max_output": 8.8, "measured_base_DT": 6, "measured_design_DT": 23, "measured_heat_loss": 3, "measured_heat_loss_range": 0.5, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 29.24, 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0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 0, "betateach": "", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": "", "data_flag": 0, "data_flag_note": null, "hp_max_output": 13.6, "measured_base_DT": 0, "measured_design_DT": 23, "measured_heat_loss": 6.36, "measured_heat_loss_range": 1, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 0, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 209, "userid": 222, "published": 1, "last_updated": 1727177668, "location": "Aberdeenshire", "installer_name": "Aberdeen Air Source Heating Ltd.", 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"metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 37.89, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 4.72, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 362, "userid": 401, "published": 1, "last_updated": 1728577903, "location": "Broadstairs, Kent", "installer_name": "", "installer_url": "", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=2bfa20fa93474c0152f2bde8f98813dd", "share": 1, "hp_model": "Daikin Altherma 3", "hp_type": "Air Source", "hp_output": 8, "refrigerant": "R32", "dhw_method": "Cylinder with coil", "cylinder_volume": 150, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 45, "flow_temp_typical": "35", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Weather compensation with a little room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 50, "legionella_frequency": "Disabled", "legionella_target_temperature": 65, "property": "Detached", "floor_area": 99, "heat_demand": 0, "heat_loss": 4.5, "age": "1940 to 1982", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "Intelligent Octopus", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "0", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 12, "electric_meter": "Other electricity meter", "heat_meter": "Axioma Qalcosonic heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "Shelly electric meter ", "mid_metering": 0, "kwh_m2": null, "design_temp": -3, "water_heat_demand": 0, "EPC_spaceheat_demand": "0", "EPC_waterheat_demand": "0", "heatgeek": 0, "indoor_temperature": 1, "betateach": "", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": "", "data_flag": 0, "data_flag_note": "", "hp_max_output": 0, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 0, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 363, "userid": 411, "published": 1, "last_updated": 1727302632, "location": "Addingham, Ilkley", "installer_name": "Yorkshire Energy Systems", "installer_url": "https://yorkshireenergysystems.co.uk", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=22a07dcb1de55d9abdb9a5e8fabe593f", "share": 1, "hp_model": "Vaillant Arotherm+", "hp_type": "Air Source", "hp_output": 5, "refrigerant": "R290", "dhw_method": "Cylinder with coil", "cylinder_volume": 250, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 1, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "None", "flow_temp": 35, "flow_temp_typical": "30", "wc_curve": 0.04, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Weather compensation with a little room influence", "dhw_control_type": "Twice daily scheduled heat up of tank", "dhw_target_temperature": 48, "legionella_frequency": "Disabled", "legionella_target_temperature": 0, "property": "Semi-detached", "floor_area": 146, "heat_demand": 10397, "heat_loss": 0, "age": "1900 to 1939", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": "Cozy Octopus ", "electricity_tariff_type": "On peak & Off peak", "electricity_tariff_unit_rate_all": "13", "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 6130, "solar_pv_self_consumption": 60, "solar_pv_divert": 1, "battery_storage_capacity": 9, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Sontex heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "Heat assesments are very high compared with gas use", "mid_metering": 1, "kwh_m2": null, "design_temp": -3, "water_heat_demand": 7654, "EPC_spaceheat_demand": "16497", "EPC_waterheat_demand": "2780", "heatgeek": 0, "indoor_temperature": 1, "betateach": "", "emoncmsorg_userid": 0, "installer_logo": "yorkshireenergysystems.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": "", "data_flag": 0, "data_flag_note": "", "hp_max_output": 0, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 1, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 0, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 364, "userid": 232, "published": 1, "last_updated": 1727370606, "location": "Lindfield, Mid Sussex", "installer_name": "Octopus Energy Services", "installer_url": "https://octopus.energy/get-a-heat-pump/", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=c91494900da64f39031be3d94a823710", "share": 1, "hp_model": "Daikin Altherma", "hp_type": "Air Source", "hp_output": 8, "refrigerant": "R32", "dhw_method": "Cylinder with 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"heat_meter": "Axioma Qalcosonic heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "SolarPV divert immersion energy not included. Model: 3EDLA08EV3", "mid_metering": 1, "kwh_m2": null, "design_temp": -2, "water_heat_demand": 2791, "EPC_spaceheat_demand": null, "EPC_waterheat_demand": null, "heatgeek": 0, "indoor_temperature": 1, "betateach": "", "emoncmsorg_userid": 0, "installer_logo": "octopus.png", "ultimaterenewables": 0, "heatingacademy": 0, "youtube": "", "data_flag": 0, "data_flag_note": "", "hp_max_output": 0, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 1, "legionella_immersion": 1, "metering_inc_immersion": 1, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 0, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 367, "userid": 415, "published": 1, "last_updated": 1727478222, "location": "Stockton on Tees", "installer_name": "Marshall & McCourt ", "installer_url": "https://marshallandmccourt.co.uk", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=25a20093f286f829b134504bf9b7b5cb", "share": 1, "hp_model": "Mitsubishi Ecodan", "hp_type": "Air Source", "hp_output": 8.5, "refrigerant": "R32", "dhw_method": "Cylinder with plate heat exchanger", "cylinder_volume": 250, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Low loss header", "flow_temp": 45, "flow_temp_typical": "35", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 2, "space_heat_control_type": "Weather compensation with a little room influence", "dhw_control_type": "Twice daily scheduled heat up of tank", "dhw_target_temperature": 50, "legionella_frequency": "Fornightly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 158, "heat_demand": 15050, "heat_loss": 4.4, "age": "2012 or newer", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": null, "electricity_tariff_type": null, "electricity_tariff_unit_rate_all": null, "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 4330, "solar_pv_self_consumption": 42, "solar_pv_divert": 0, "battery_storage_capacity": 9, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Axioma Qalcosonic heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "", "mid_metering": 1, "kwh_m2": null, "design_temp": -3, "water_heat_demand": 4495, "EPC_spaceheat_demand": null, "EPC_waterheat_demand": null, "heatgeek": 1, "indoor_temperature": 1, "betateach": "", "emoncmsorg_userid": 0, "installer_logo": "marshallandmccourt.png", "ultimaterenewables": 0, "heatingacademy": 1, "youtube": "", "data_flag": 0, "data_flag_note": "", "hp_max_output": 8.5, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 1, "metering_inc_immersion": 1, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 1, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 0, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 368, "userid": 93, "published": 1, "last_updated": 1727820371, "location": "Machynlleth", "installer_name": "Eco4", "installer_url": "", "url": "https://emoncms.org/app/view?name=AnnsHybrid&readkey=5543491ddf9c6e77ebf65b5610b0e8b5", "share": 1, "hp_model": "Alpha ETec 33HB (hybrid)", "hp_type": "Air Source", "hp_output": 4, "refrigerant": "R32", "dhw_method": "None", "cylinder_volume": 0, "dhw_coil_hex_area": 0, "new_radiators": 1, 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"metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "This is a Hybrid (combi gas boiler & ASHP) where the system is controlled from the boiler, and an integral part of the system.  NOTE, the monitor only shows the heat pump operation here.  We can glean when the boiler is firing when both flow&return temperatures are fluctuating together (e.g. from 5:30am on 27/09/2024) All DHW comes from the combi gas boiler", "mid_metering": 0, "kwh_m2": null, "design_temp": 0, "water_heat_demand": 0, "EPC_spaceheat_demand": null, "EPC_waterheat_demand": null, "heatgeek": 0, "indoor_temperature": 1, "betateach": "", "emoncmsorg_userid": 0, "installer_logo": null, "ultimaterenewables": 0, "heatingacademy": 0, "youtube": "", "data_flag": 0, "data_flag_note": "", "hp_max_output": 4, "measured_base_DT": 0, "measured_design_DT": 0, "measured_heat_loss": 0, "measured_heat_loss_range": 0, "hp_max_output_test": 0, "volumiser": 0, "legionella_immersion": 0, "metering_inc_immersion": 0, "uses_backup_heater": 0, "metering_inc_secondary_heating_pumps": 0, "weighted_average_flow_minus_outside": 0, "measured_mean_flow_temp_coldest_day": 0, "measured_max_flow_temp_coldest_day": 0, "measured_outside_temp_coldest_day": 0, "measured_emitter_spec": 0, "measured_system_volume": 0, "weighted_average_ideal_carnot": 0, "weighted_flow_temp": 0}, {"id": 370, "userid": 230, "published": 1, "last_updated": 1727980351, "location": "Horsham", "installer_name": "Optimus Heating", "installer_url": "https://optimusheating.com", "url": "https://emoncms.org/app/view?name=MyHeatpump&readkey=2c6d7bccd90b449b38ae34ffb02a6fb8", "share": 1, "hp_model": "Viessmann Vitocal 150A", "hp_type": "Air Source", "hp_output": 10, "refrigerant": "R290", "dhw_method": "Cylinder with plate heat exchanger", "cylinder_volume": 300, "dhw_coil_hex_area": 0, "new_radiators": 0, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 1, "hydraulic_separation": "Low loss header", "flow_temp": 35, "flow_temp_typical": "0", "wc_curve": 0.3, "freeze": "Anti-freeze valves", "zone_number": 1, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Twice daily scheduled heat up of tank", "dhw_target_temperature": 60, "legionella_frequency": "Weekly", "legionella_target_temperature": 60, "property": "Detached", "floor_area": 250, "heat_demand": 32544, "heat_loss": 9575, "age": "2012 or newer", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": null, "electricity_tariff_type": null, "electricity_tariff_unit_rate_all": null, "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, "solar_pv_divert": 0, "battery_storage_capacity": 0, "electric_meter": "SDM120 Modbus/MBUS Single Phase (class 1)", "heat_meter": "Axioma Qalcosonic heat meter (class 2)", "metering_inc_boost": 0, "metering_inc_central_heating_pumps": 1, "metering_inc_brine_pumps": 0, "metering_inc_controls": 1, "notes": "VI2024", "mid_metering": 1, "kwh_m2": null, "design_temp": -3, "water_heat_demand": 5660, "EPC_spaceheat_demand": null, "EPC_waterheat_demand": null, "heatgeek": 1, "indoor_temperature": 1, "betateach": "", "emoncmsorg_userid": 0, "installer_logo": "optimusheating.png", 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"Vaillant Arotherm+", "hp_type": "Air Source", "hp_output": 5, "refrigerant": "R290", "dhw_method": "Cylinder with plate heat exchanger", "cylinder_volume": 250, "dhw_coil_hex_area": 0, "new_radiators": 1, "old_radiators": 0, "fan_coil_radiators": 0, "UFH": 0, "hydraulic_separation": "None", "flow_temp": 40, "flow_temp_typical": "30", "wc_curve": 0, "freeze": "Anti-freeze valves", "zone_number": 0, "space_heat_control_type": "Pure weather compensation, no room influence", "dhw_control_type": "Daily scheduled heat up of tank", "dhw_target_temperature": 50, "legionella_frequency": "Weekly", "legionella_target_temperature": 67, "property": "Detached", "floor_area": 162, "heat_demand": 12821, "heat_loss": -3.67, "age": "1983 to 2011", "insulation": "Fully insulated walls, floors and loft", "electricity_tariff": null, "electricity_tariff_type": null, "electricity_tariff_unit_rate_all": null, "electricity_tariff_unit_rate_hp": null, "solar_pv_generation": 0, "solar_pv_self_consumption": 0, 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