Hitachi airH2O 400 6kW
Specifications and technical data
Air Source (ASHP)ResidentialR321.95–6 kW
| Manufacturer | Hitachi |
|---|---|
| Model | airH2O 400 6kW |
| Model code | HZKF06KSE-Q |
| Heat pump type | Air Source (ASHP) |
| Application | Residential |
| Refrigerant | R32 |
| Mode | Heating & cooling |
| Heating capacity | 1.95–6 kW |
| COP | 5 at A7/W35 |
| EER (cooling) | 3.7 |
| Operating range (air) | -25 to 35 °C |
| Flow temperature | 15–60 °C |
| Weight | 42.5 kg |
| Sound power level | 62 dB(A) (Sound power, normal mode) |
| Data added | 2026-06-11 |
| Data source | Hitachi brochure / product data |
Notes
airH2O 400 air-to-water heat pump using R32 refrigerant for heating, cooling and domestic hot water applications.
Flow 15-60°C, ambient -25 to 35°C heating; R32 charge 1.05 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 Supplier | The Heat Pump Warehouse |
|---|---|
| UK Supplier | Secon Renewables |
○ Awaiting verification
✎ 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.
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