Daikin Altherma 3 R ECH2O (6 kW)

Specifications and technical data

Air Source (ASHP)ResidentialR326 kW

Manufacturer	Daikin
Model	Altherma 3 R ECH2O
Model code	EHSX04P30E/P50E + ERGA06EVH
Heat pump type	Air Source (ASHP)
Application	Residential
Refrigerant	R32
Mode	Heating & cooling
Heating capacity	6 kW
Max heating output (low temp)	5.9 kW at A7/W45
COP (heating)	4.85 at A7/W35
SCOP (heating)	4.52 at W35
Operating range (air)	-25 to 35 °C
Heating flow temperature	18–65 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	5.96 kW
Max cooling output (high temp)	5.09 kW at A35/W7
Cooling flow temperature	5–22 °C
EER (cooling)	3.28 at A35/W7
Dimensions (H×W×D)	740 × 884 × 388 mm
Operational Weight	58.5 kg
Sound power level	60 dB(A) (Sound Power LW(A))
Data added	2026-07-07T00:00:00
Data source	Manufacturer Data Sheet

View manufacturer page →

Daikin Altherma 3 R ECH2O EHSX04P30E/P50E with ERGA06EVH outdoor unit, R32, 6.0kW nominal heating / 5.96kW cooling. ECH2O solar-ready cylinder, reversible heating and cooling.

Where to buy (UK)

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

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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.

Reviews & further reading

Review Daikin Altherma 3 Air Source Heat Pump Review — Federation of Master Builders
Covers the Altherma 3 range generally, including the R ECH2O integrated cylinder variant.