Hitachi airHome 800 2.5kW Flagship Wall Mounted Split System Air Conditioner
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The Hitachi airHome 800 2.5kW represents the pinnacle of residential split-system engineering, combining whisper-quiet 19 dB(A) operation with stellar A+++ energy efficiency. Tailored specifically for bedrooms and upscale residential interiors, this unit delivers 8,500 BTU cooling and 11,000 BTU heating with unmatched climate refinement. Built-in smart home automation links through airCloud Go to enable automated geofencing, intelligent scheduling, and seamless integration with Alexa and Google Assistant. Hitachi's automated FrostWash self-cleaning cycle prevents bacteria, dust, and allergen accumulation directly on internal components, safeguarding interior air purity year-round. Featuring sophisticated aesthetic styling, this premium split heat pump delivers maximum comfort with minimal power draw. Certified UK F-Gas installation is required to complete installation and refrigeration line connections.
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Smart-home ready
Connects natively with the systems below — control by app or voice.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Specifications
Description
The Hitachi airHome 800 2.5kW represents the pinnacle of residential split-system engineering, combining whisper-quiet 19 dB(A) operation with stellar A+++ energy efficiency. Tailored specifically for bedrooms and upscale residential interiors, this unit delivers 8,500 BTU cooling and 11,000 BTU heating with unmatched climate refinement. Built-in smart home automation links through airCloud Go to enable automated geofencing, intelligent scheduling, and seamless integration with Alexa and Google Assistant. Hitachi's automated FrostWash self-cleaning cycle prevents bacteria, dust, and allergen accumulation directly on internal components, safeguarding interior air purity year-round. Featuring sophisticated aesthetic styling, this premium split heat pump delivers maximum comfort with minimal power draw. Certified UK F-Gas installation is required to complete installation and refrigeration line connections.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 3 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£653
This AC / season
£218
You save / season
£435
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 806 kWh | £218 | Up to 300% | |
| Plug-in electric heater | 2418 kWh | £653 | 100% | |
| Electric storage heater | 2418 kWh | £653 | 100% |
Heat output estimated from this unit's 11,000 BTU/hr rating. A heat pump moves heat (COP ≈ 3), so it uses about a third of the electricity of a direct-electric heater for the same warmth. Actual savings vary with room size, insulation, tariff and usage. See the full comparison →
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