Megawave R290 (7.24–21.9 kW)

Specifications and technical data

Air Source (ASHP)DomesticR2907.24–21.9 kW

Manufacturer	Megawave
Model	R290
Model code	MWMHPC-18KW3
Heat pump type	Air Source (ASHP)
Application	Domestic
Refrigerant	R290
Mode	Heating & cooling
Heating capacity	7.24–21.9 kW
Max heating output (low temp)	19.45 kW at A7/W55
COP (heating)	4.4 at A7/W35
Operating range (air)	-25 to 45 °C
Heating flow temperature	up to 75 °C
Power input	9 kW
Electrical supply	380-415V (Three Phase)
Cooling capacity	4.55–17.2 kW
Max cooling output (high temp)	17.2 kW at A35/W7
Cooling flow temperature	from 7 °C
Dimensions (H×W×D)	1455 × 1187 × 488 mm
Operational Weight	195 kg
Data added	2026-08-30
Data source	Manufacturer datasheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	MCS HP0341/15

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Megawave MWMHPC-18KW3 R290 monobloc air-to-water heat pump, 18 kW nominal. 7.24-21.9 kW at A7/W35 with a published COP of 3.82-5.59 and ErP class A+++. Flow temperature to 75 C, operates from -25 C ambient. Highly DC inverter EVI rotary compressor, three-phase, built-in inverter circulation pump, Wi-Fi and IoT remote monitoring. MCS certified and BUS eligible.

✓ Manually verified by Heat Pump Database

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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.