heatpumpdatabaseProduct data sheetheatpumpdatabase.com
EcoFlow R290 Air To Water Heat Pump
Model code: EF AD-P3-20K-S1
✓ BUS eligible✓ MCS listedAir Source (ASHP)CommercialHeating & cooling
Heating capacity
6.7–20.36 kW
COP
4.4
A7/W35
Max flow temp
75°C
Sound power
72 dB(A)
Refrigerant
R290
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: MCS HP0383/02
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: MCS HP0383/02
| General | |
|---|---|
| Heat pump type | Air Source (ASHP) |
| Application | Commercial |
| Refrigerant | R290 |
| Mode | Heating & cooling |
| Heating performance | |
| Heating capacity | 6.7–20.36 kW |
| Max heating output (low temp) | 18.48 kW at A7/W55 |
| COP (heating) | 4.4 at A7/W35 |
| Operating range (air) | -25 to 43 °C |
| Heating flow temperature | up to 75 °C |
| Cooling performance | |
| Cooling capacity | 4.4–14.4 kW |
| Max cooling output (high temp) | 14.4 kW at A35/W7 |
| EER (cooling) | 3.08 at A35/W7 |
| Electrical, acoustic and physical | |
| Electrical supply | 380-415V (Three Phase) |
| Sound power level | 72 dB(A) (Sound Power LW(A)) |
| Dimensions (H×W×D) | 1375 × 1263 × 440 mm |
| Operational Weight | 180 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.