Panasonic Aquarea M Series (20 kW)

Specifications and technical data

Air Source (ASHP)CommercialR29020 kW

Manufacturer	Panasonic
Model	Aquarea M Series
Model code	WH-WXG20ME8
Heat pump type	Air Source (ASHP)
Application	Commercial
Refrigerant	R290
Mode	Heating & cooling
Heating capacity	20 kW
Max heating output (low temp)	20 kW at A-7/W55
COP (heating)	4.8 at A7/W35
SCOP (heating)	4.36 at W55
Operating range (air)	-25 to 43 °C
Heating flow temperature	25–75 °C
Electrical supply	380-415V (Three 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)	1645 × 1500 × 460 mm
Operational Weight	240 kg
Sound power level	56 dB(A) (Sound Power LW(A))
Data added	2026-07-01
Data source	Manufacturer Data Sheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	011-1W0925_1
MCS listing	View on MCS ↗

View manufacturer page →

Panasonic Aquarea M Series is a 20 kW air source heat pump, providing heating and cooling, using R290 refrigerant.

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse
UK Supplier	Secon Renewables
UK Supplier	OceanAir

✓ Manually verified by Heat Pump Database

✎ 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.