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Hitachi airH2O 400 10kW

Specifications and technical data

Air Source (ASHP)ResidentialR323.25–10 kW
ManufacturerHitachi
ModelairH2O 400 10kW
Model codeHZKF10KSE-Q
Heat pump typeAir Source (ASHP)
ApplicationResidential
RefrigerantR32
ModeHeating & cooling
Heating capacity3.25–10 kW
COP5.1 at A7/W35
EER (cooling)3
Operating range (air)-25 to 35 °C
Flow temperature20–65 °C
Weight47 kg
Sound power level62 dB(A) (Sound power, normal mode)
Data added2026-06-11
Data sourceHitachi brochure / product data

Notes

airH2O 400 air-to-water heat pump using R32 refrigerant for heating, cooling and domestic hot water applications.

Flow 20-65°C, ambient -25 to 35°C heating; R32 charge 1.8 kg. Cooling EER at A35/W7. Sound power shown as normal mode heating/cooling paired values in source; heating value used.

Where to buy (UK)

UK SupplierThe Heat Pump Warehouse
UK SupplierSecon Renewables

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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.

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