Daikin Altherma 3 R ECH2O (7.8 kW)

Specifications and technical data

Air Source (ASHP)ResidentialR327.8 kW

Manufacturer	Daikin
Model	Altherma 3 R ECH2O
Model code	EHSXB04P30E/P50E + ERGA08EVH
Heat pump type	Air Source (ASHP)
Application	Residential
Refrigerant	R32
Mode	Heating & cooling
Heating capacity	7.8 kW
Max heating output (low temp)	7.8 kW at A7/W45
COP (heating)	4.6 at A7/W35
SCOP (heating)	4.61 at W35
Operating range (air)	-25 to 35 °C
Heating flow temperature	18–65 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	6.25 kW
Max cooling output (high temp)	5.44 kW at A35/W7
Cooling flow temperature	5–22 °C
EER (cooling)	3.14 at A35/W7
Dimensions (H×W×D)	740 × 884 × 388 mm
Operational Weight	58.5 kg
Sound power level	62 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 EHSXB04P30E/P50E with ERGA08EVH outdoor unit, R32, 7.5kW nominal heating / 6.25kW cooling. Bivalent ECH2O solar-ready cylinder, reversible, combinable with secondary heat source.

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.