Panasonic Aquarea M Series (12 kW)

Specifications and technical data

Air Source (ASHP)ResidentialR29012 kW

Manufacturer	Panasonic
Model	Aquarea M Series
Model code	WH-WXG12ME5
Heat pump type	Air Source (ASHP)
Application	Residential
Refrigerant	R290
Mode	Heating & cooling
Heating capacity	12 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 temperature	25–75 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	9 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 Weight	161 kg
Sound power level	53 dB(A) (Sound Power LW(A))
Price (unit only)	~£4795 (checked 2026-07-10)
Data added	21/06/2026
Data source	Manufacturer Data Sheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	011-1W0850_7
MCS listing	View on MCS ↗

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 Supplier	The Heat Pump Warehouse
UK Supplier	Secon Renewables

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