
Cooper & Hunter Alpha Inverter 9000 BTU Wall Mounted Split System
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Retail prices include VAT.
The Cooper & Hunter Alpha Inverter 9000 BTU split system air conditioner offers efficient heating and cooling performance tailored for modern UK domestic and commercial environments. Designed specifically for compact zones such as master bedrooms, home offices, and study rooms up to 25 square metres, this system combines rapid temperature modulation with whisper-quiet operation down to 22 dB. Powered by energy-efficient DC inverter technology and low-GWP R32 refrigerant, the system achieves an outstanding A++ seasonal energy rating. Built-in smart Wi-Fi allows complete remote management via iOS and Android smartphone applications, seamlessly integrating with voice commands via Amazon Alexa and Google Assistant. In addition to high-efficiency cooling, the unit includes an advanced reverse-cycle heat pump providing steady warmth during cold winters. The indoor chassis includes multi-stage air purification, a sleek digital temperature display, and cold plasma ion technology to trap airborne contaminants.
Need it installed?
We'll match you with a local HVAC engineer.
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
Technical documents & videos
More from Cooper & Hunter →Official Cooper & Hunter manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Cooper & Hunter — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Cooper & Hunter Alpha Inverter 9000 BTU split system air conditioner offers efficient heating and cooling performance tailored for modern UK domestic and commercial environments. Designed specifically for compact zones such as master bedrooms, home offices, and study rooms up to 25 square metres, this system combines rapid temperature modulation with whisper-quiet operation down to 22 dB. Powered by energy-efficient DC inverter technology and low-GWP R32 refrigerant, the system achieves an outstanding A++ seasonal energy rating. Built-in smart Wi-Fi allows complete remote management via iOS and Android smartphone applications, seamlessly integrating with voice commands via Amazon Alexa and Google Assistant. In addition to high-efficiency cooling, the unit includes an advanced reverse-cycle heat pump providing steady warmth during cold winters. The indoor chassis includes multi-stage air purification, a sleek digital temperature display, and cold plasma ion technology to trap airborne contaminants.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
Common questions about the Cooper & Hunter Alpha Inverter 9000 BTU Wall Mounted Split System
How many BTU is the Cooper & Hunter Alpha Inverter 9000 BTU Wall Mounted Split System?
The Cooper & Hunter Alpha Inverter 9000 BTU Wall Mounted Split System has a cooling capacity of 9,000 BTU, suitable for Up to 25 m².
What room size is the Cooper & Hunter Alpha Inverter 9000 BTU Wall Mounted Split System suitable for?
The Cooper & Hunter Alpha Inverter 9000 BTU Wall Mounted Split System is recommended for rooms Up to 25 m².
Can I install the Cooper & Hunter Alpha Inverter 9000 BTU Wall Mounted Split System myself?
No — this unit requires professional installation by a qualified F-gas engineer. Use our Find an Installer service to get matched with a local HVAC professional.
Is the Cooper & Hunter Alpha Inverter 9000 BTU Wall Mounted Split System smart-home compatible?
Yes — the Cooper & Hunter Alpha Inverter 9000 BTU Wall Mounted Split System supports Amazon Alexa, Google Assistant for app and voice control.
How long does delivery of the Cooper & Hunter Alpha Inverter 9000 BTU Wall Mounted Split System take?
This unit is 2-3 business days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.
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Mitsubishi ElectricAnnual energy savings estimate
How much this A++-rated unit could save versus a standard C-rated model, based on your usage.
This unit
73 kWh/yr
EER 13
Standard model
119 kWh/yr
EER 8
Est. saving
£12.33
46 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (9,000 BTU). Actual savings vary with room size, climate and usage patterns.
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
£567
This AC / season
£189
You save / season
£378
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 700 kWh | £189 | Up to 300% | |
| Plug-in electric heater | 2099 kWh | £567 | 100% | |
| Electric storage heater | 2099 kWh | £567 | 100% |
Heat output estimated from this unit's 9,550 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 →
Share your savings
This heat-pump AC costs only £189/season to heat a room vs £567 for an electric heater - that's £378 saved. https://stockool.store/products/cooper-hunter-alpha-inverter-9000-btu-split-system
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