[Sticky] Air source heat pump roll call
Forum Handle: @jamespa
Manufacturer: Vaillant
Model: Arotherm Plus 7kW
Type: ASHP
Arrangement: Mono
Area of Country: Southern England
Home Type: House
Size: Square Metres: 200
Insulation Level: Scale of 1 to 10 possibly ~7
Heat Loss Calculation: 6.5-16 kW @ -2C, depending on which surveyor did the calculation and what (incorrect) assumptions they made. Measured loss 7kW
Type of Controller: 1 Zone but TRVs in bedrooms
Type of Control: Weather Compensation
System Type: Radiators
Total Output of Heat Emitters: 10 kW
Buffer Tank or Low Loss Header: No
Secondary Pumps: No
Solar PV System: 4kWp
Power Diverter: Yes (but may disable)
Battery System: No
4kW peak of solar PV since 2011; EV and a 1930s house which has been partially renovated to improve its efficiency. 7kW Vaillant heat pump.
Samsung 16KW with DHW and Buffer Presently controlled by Danfoss TP5000Si Thermostat
@raiph I would be interested to hear how you are finding Havenwise. Can you see how it's settings are different from how Water law performed before and whether your electricity consumption has dropped since you joined?

Forum Handle: powysperson
Manufacturer: Grant
Model: Aerona 3 13kW
Type: ASHP
Arrangement: ?
Area of Country: Powys
Home Type: House
Size: 4 bed stone detached
Insulation Level: Internal Wall insulation
Heat Loss Calculation: ??
Type of Controller: normal thermostat + radbot trvs
Type of Control: ?
System Type: Radiators
Total Output of Heat Emitters:
Buffer Tank or Low Loss Header:
Secondary Pumps: ?
Solar PV System: Yes
Power Diverter: ?
Battery System: Inverter and battery with the solar Pv
Good idea 🙂
Manufacturer: Midea
Model:10kW R32 Monobloc
Type: ASHP
Arrangement: Bivalent and with a Heat Saviour. Navien combi on the CH side (not via the Heat Saviour) as backup or when it's very cold and heat pump on the primary side of the Heat Saviour with glycol.
Area of Country: Glos
Home Type: House
Size: Square Metres: 200
Insulation Level: 5
Heat Loss Calculation: Mine via Heatpunk is ~12kW at ODT ~-5. I can't remember what the installer's was but it's not relevant.
Type of Controller: Modulating, Thermostats, TRV's etc. Modulating, experimenting with smart TRVs.
Type of Control: Weather Compensation
System Type: Radiators
Total Output of Heat Emitters: Depends on flow temp....
Buffer Tank or Low Loss Header: Heat Saviour - heat exchanger and small volumiser
Secondary Pumps: 1
Solar PV System: Not yet
Power Diverter: Not yet
Battery System: Not yet
Cheers 🙂
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