[Sticky] Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: @scalextrix
Manufacturer: Vaillant
Model: Arotherm Plus 7kW
Type: ASHP
Arrangement: Mono
Area of Country: Essex
Home Type: House
Size: Square Metres: 120
Insulation Level: 6-7, EPC B
Heat Loss Calculation: 5.7kW @ Amb. Temp, of: -2C
Type of Controller: Single zone thermostat, TRVs for bedrooms
Type of Control: Weather Compensation, Load Compensation
System Type: Radiators, plus Hydronic blower in kitchen
Total Output of Heat Emitters: 7kW
Buffer Tank or Low Loss Header: No
Secondary Pumps: 1, fitted to secondary vented central heating system using plate heat exchanger
Solar PV System: 3.95kWp
Power Diverter: Solar iBoost immersion controller
Battery System: No
Glad to be in the HP club 💪
Manufacturer: Worcester Bosch, Earth Save Products
Model: Bosch CS5800i, Ecocent 300L
Type: ASHP
Arrangement: Monobloc (5800i) + Exhaust Air Hot Water Heat Pump Tank (Ecocent)
Area of Country: Lothians, Scotland
Home Type: Ground-floor Flat
Size: 125m²
Insulation Level: 9 (High spec new build, not Passivhaus)
Heat Loss Calculation: ~2.4kW at -3.4C
Type of Controller: Modulating, open loop only, single central room stat.
Type of Control: Weather Compensation
System Type: UFH
Total Output of Heat Emitters: 3.3kW
Buffer Tank or Low Loss Header: No
Secondary Pumps: No
Solar PV System: No
Power Diverter: No
Battery System: No
Old Samsung R410a unit 9kw, modbused controlled, let Havenwise have a play now and again.
Panasonic Model WH-WDG05LES 5KW
Thermino ePlus 210 Litre
6.3 Solar array
GivEnergy 9.5 battery
@darrell-p There's another new Forum Member, @wully who also has a Thermino, together with a ZEB(!)
He started a Topic on Heat Batteries here, which you might like to read.
Save energy... recycle electrons!
12kW Gen 6 AE120BXYDEG (currently NOT performing well and in process of initiating remedial work)
Manufacturer: Panasonic
Model: WH-WXG12ME8
Type: ASHP
Arrangement: Mono
Area of Country: Cambridge
Home Type: Terrace House
Size: Square Metres:225
Insulation Level: 7
Heat Loss Calculation: 10kW @ Amb. Temp, of: -2C
Type of Controller: Open loop design with Panasonic controller as upper limiter
Type of Control: Weather Compensation
System Type: Radiators
Total Output of Heat Emitters: 10kW
Buffer Tank or Low Loss Header: No
Secondary Pumps: Number or No
Solar PV System: Size or No
Power Diverter: Yes or No
Battery System: Size or No
Design flow Temperature 45c
Daikin Altherma 3M - 4kW (R32 2022 Release) (EDLA04E2V3)
Installed by Octopus April 2025.
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