Heat PumpDatabase
Megawave logo

Megawave R32 (6.2–20.5 kW)

Specifications and technical data

Air Source (ASHP)DomesticR326.2–20.5 kW
ManufacturerMegawave
ModelR32
Model codeMWMHP-18KW1
Heat pump typeAir Source (ASHP)
ApplicationDomestic
RefrigerantR32
ModeHeating & cooling
Heating capacity6.2–20.5 kW
Max heating output (low temp)16.9 kW at A7/W55
COP (heating)4.7 at A7/W35
Operating range (air)-30 to 45 °C
Heating flow temperatureup to 60 °C
Power input7.24 kW
Electrical supply220-240V (Single Phase)
Cooling capacity15.88 kW
Max cooling output (high temp)15.88 kW at A35/W7
Cooling flow temperaturefrom 7 °C
EER (cooling)3.18 at A35/W7
Dimensions (H×W×D)1450 × 1110 × 445 mm
Operational Weight151 kg
Data added2026-08-30
Data sourceManufacturer datasheet
MCS certification✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.MCS HP0341/06

View manufacturer page →

Megawave MWMHP-18KW1 R32 monobloc air-to-water heat pump, 18 kW nominal. 6.2-20.5 kW at A7/W35 with a COP of 4.7 and ErP class A+++; 16.9 kW at A7/W55, COP 3.09, class A++. Panasonic DC inverter EVI rotary compressor, single-phase, flow to 60 C, operates from -30 C ambient. Built-in inverter circulation pump, Wi-Fi and IoT remote monitoring. MCS certified and BUS eligible.

✓ 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.

More from Megawave

Other Air Source (ASHP) heat pumps

Compare with other products

Open the interactive database →

The Megawave name and logo are trademarks of their respective owner and are used here for identification purposes only.