EcoFlow R290 Air To Water Heat Pump (6.7–20.36 kW)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)CommercialR2906.7–20.36 kW

Manufacturer	EcoFlow
Model	R290 Air To Water Heat Pump
Model code	EF AD-P3-20K-S1
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Commercial All Commercial heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating & cooling
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
Electrical supply	380-415V (Three Phase)
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
Dimensions (H×W×D)	1375 × 1263 × 440 mm
Operational Weight	180 kg
Sound power level	72 dB(A) (Sound Power LW(A))
Data added	2026-07-13
Data source	Manufacturer Data Sheet
Verification	Verified by a human
Boiler Upgrade Scheme	✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.	MCS HP0383/02
MCS certification	✓ MCS listed
MCS certificate no.	MCS HP0383/02
MCS listing	View on MCS ↗

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

View manufacturer page →

EcoFlow EF AD-P3-20K-S1 is a 20.36 kW air source heat pump, providing heating and cooling, using R290 refrigerant.

Where to buy (UK)

UK Supplier	Eco Wizard

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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.