heatpumpdatabaseProduct data sheetheatpumpdatabase.com
Megawave R32
Model code: MWMHP-18KW1
✓ BUS eligible✓ MCS listedAir Source (ASHP)DomesticHeating & cooling
Heating capacity
6.2–20.5 kW
COP
4.7
A7/W35
Max flow temp
60°C
Refrigerant
R32
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: MCS HP0341/06
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: MCS HP0341/06
| General | |
|---|---|
| Heat pump type | Air Source (ASHP) |
| Application | Domestic |
| Refrigerant | R32 |
| Mode | Heating & cooling |
| Heating performance | |
| Heating capacity | 6.2–20.5 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 temperature | up to 60 °C |
| Cooling performance | |
| Cooling capacity | 15.88 kW |
| Max cooling output (high temp) | 15.88 kW at A35/W7 |
| EER (cooling) | 3.18 at A35/W7 |
| Cooling flow temperature | from 7 °C |
| Electrical, acoustic and physical | |
| Power input | 7.24 kW |
| Electrical supply | 220-240V (Single Phase) |
| Dimensions (H×W×D) | 1450 × 1110 × 445 mm |
| Operational Weight | 151 kg |
Test conditions: A = outdoor air °C, W = flow water °C (e.g. A7/W35 = 7°C air, 35°C flow). Compare COP and SCOP only at the same conditions.