heatpumpdatabaseProduct data sheetheatpumpdatabase.com
EcoFlow R290 Air To Water Heat Pump
Model code: EF AD-P1-9K0-S1
✓ BUS eligible✓ MCS listedAir Source (ASHP)ResidentialHeating & cooling
Heating capacity
3.5–8.81 kW
COP
4.65
A7/W35
Max flow temp
75°C
Sound power
59 dB(A)
Refrigerant
R290
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: MCS HP0383/01
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: EF AD-P1-9K0-S1
| General | |
|---|---|
| Heat pump type | Air Source (ASHP) |
| Application | Residential |
| Refrigerant | R290 |
| Mode | Heating & cooling |
| Heating performance | |
| Heating capacity | 3.5–8.81 kW |
| Max heating output (low temp) | 7.98 kW at A7/W55 |
| COP (heating) | 4.65 at A7/W35 |
| Operating range (air) | -25 to 43 °C |
| Heating flow temperature | up to 75 °C |
| Cooling performance | |
| Cooling capacity | 1.53–5.96 kW |
| Max cooling output (high temp) | 5.96 kW at A35/W7 |
| EER (cooling) | 2.82 at A35/W7 |
| Electrical, acoustic and physical | |
| Electrical supply | 220-240V (Single Phase) |
| Sound power level | 59 dB(A) (Sound Power LW(A)) |
| Dimensions (H×W×D) | 875 × 1263 × 440 mm |
| Operational Weight | 115 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.