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Panasonic Aquarea M Series (WH-WXG12ME5)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)ResidentialR29012 kW
ManufacturerPanasonic
ModelAquarea M Series
Model codeWH-WXG12ME5
Heat pump typeAir Source (ASHP) All Air Source heat pumps →
ApplicationResidential All Residential heat pumps →
RefrigerantR290 All R290 heat pumps →
ModeHeating & cooling
Heating capacity12 kW
Max heating output (low temp)12 kW at A-7/W55
COP (heating)5.06 at A7/W35
SCOP (heating)5 at W35
Operating range (air)-25 to 43 °C
Heating flow temperature25–75 °C
Electrical supply220-240V (Single Phase)
Cooling capacity9 kW
Max cooling output (high temp)9 kW at A35/W7
EER (cooling)3.61 at A35/W7
Dimensions (H×W×D)1520 × 1200 × 430 mm
Operational Weight161 kg
Sound power level53 dB(A) (Sound Power LW(A))
Price (unit only)~£4,795 (checked 2026-07-10)
Data added21/06/2026
Data sourceManufacturer Data Sheet
VerificationVerified by a human
Boiler Upgrade Scheme✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.011-1W0850_12
MCS certification✓ MCS listed
MCS certificate no.011-1W0850_7
MCS listingView on MCS ↗

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

View manufacturer page →

Panasonic Aquarea M Series is a 12 kW air source heat pump, providing heating and cooling, using R290 refrigerant (model WH-WXG12ME5).

Where to buy (UK)

UK SupplierThe Heat Pump Warehouse
UK SupplierSecon Renewables
UK SupplierOceanAir

✎ Suggest a correction to this data

Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.

Reviews & further reading

►EN – Scottish family Installs UK’s first Panasonic M Series Heat PumpPanasonic Heating & Cooling Solutions Europe►EN – Panasonic Aquarea M Series, the next generation air to water heat pumpsPanasonic Heating & Cool►Panasonic Aquarea M Series R290 T-CAP Air Source Heat Pump UK #heatingAIR2HEAT LTD►Panasonic Aquarea T-CAP M Series air-to-water heat pumpCEDEO TV

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SCOP
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Sound power
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Sound power
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SCOP
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Price
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