Daikin Altherma 4 (6.3 kW)

Specifications and technical data

Air Source (ASHP)ResidentialR2906.3 kW

Manufacturer	Daikin
Model	Altherma 4
Model code	EPSKS06ARV3
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating & cooling
Heating capacity	6.3 kW
Max heating output (low temp)	6.3 kW at A7/W35
COP (heating)	5.17 at A7/W35
SCOP (heating)	5.05 at W35
Operating range (air)	from -28 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	6.71 kW
Max cooling output (high temp)	5.16 kW at A35/W7
EER (cooling)	3.01 at A35/W7
Dimensions (H×W×D)	958 × 1220 × 535 mm
Operational Weight	109 kg
Sound power level	48.2 dB(A) (Sound Power LW(A))
Data added	2026-09-22
Data source	Manufacturer specification table (Daikin UK) for the outdoor + indoor combination
Verification	Verified by a human

Free data sheet (PDF) →

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

Daikin Altherma 4 EPSKS06ARV3: 6.3 kW, R290, single-phase supply. Split-system outdoor unit for the Daikin Altherma 4 range, natural R-290 refrigerant, capacity class S0 kW. Pairs with a separate indoor hydrobox or integrated cylinder unit, which is where the rated output is declared. Sound power 48.2 dB(A). Single-phase supply.

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse
UK Supplier	Space Air
UK Supplier	City Plumbing
UK Supplier	The Underfloor Heating Store

✎ 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.