
Cooper & Hunter Alpha Inverter 12000 BTU Wall Mounted Split System
Available to order — dispatched on the lead time shown below.
Trade pricing available — apply or sign in for your trade rate
Retail prices include VAT.
Engineered for optimal comfort, the Cooper & Hunter Alpha Inverter 12000 BTU wall mounted split system delivers balanced climate control for mid-sized rooms, open lounges, and retail spaces up to 35 square metres. Featuring high-performance DC inverter engineering and R32 refrigerant, this dual-function heat pump unit delivers exceptional cooling and heating efficiency with an A++ rating. The modern indoor casing operates with minimal acoustic intrusion, ensuring uninterrupted relaxation or productive office working. Integrated Wi-Fi connectivity enables effortless climate adjustment from any smart mobile device, alongside hands-free integration with Google Assistant and Amazon Alexa. The Alpha series includes cold plasma filtration alongside multi-angle air vanes to distribute clean, conditioned air uniformly across your living area. Pre-charged with eco-friendly refrigerant, this reliable split air conditioner represents an ideal all-season solution for energy-conscious UK homeowners and commercial properties alike.
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
Engineered for optimal comfort, the Cooper & Hunter Alpha Inverter 12000 BTU wall mounted split system delivers balanced climate control for mid-sized rooms, open lounges, and retail spaces up to 35 square metres. Featuring high-performance DC inverter engineering and R32 refrigerant, this dual-function heat pump unit delivers exceptional cooling and heating efficiency with an A++ rating. The modern indoor casing operates with minimal acoustic intrusion, ensuring uninterrupted relaxation or productive office working. Integrated Wi-Fi connectivity enables effortless climate adjustment from any smart mobile device, alongside hands-free integration with Google Assistant and Amazon Alexa. The Alpha series includes cold plasma filtration alongside multi-angle air vanes to distribute clean, conditioned air uniformly across your living area. Pre-charged with eco-friendly refrigerant, this reliable split air conditioner represents an ideal all-season solution for energy-conscious UK homeowners and commercial properties alike.
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 12000 BTU Wall Mounted Split System
How many BTU is the Cooper & Hunter Alpha Inverter 12000 BTU Wall Mounted Split System?
The Cooper & Hunter Alpha Inverter 12000 BTU Wall Mounted Split System has a cooling capacity of 12,000 BTU, suitable for Up to 35 m².
What room size is the Cooper & Hunter Alpha Inverter 12000 BTU Wall Mounted Split System suitable for?
The Cooper & Hunter Alpha Inverter 12000 BTU Wall Mounted Split System is recommended for rooms Up to 35 m².
Can I install the Cooper & Hunter Alpha Inverter 12000 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 12000 BTU Wall Mounted Split System smart-home compatible?
Yes — the Cooper & Hunter Alpha Inverter 12000 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 12000 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.
Filter by brand
Belaco
Stiebel Eltron
Broughton
Reznor
CIAT
Powrmatic
FlaktGroup
Swegon
Suntec
Costway
VYtronIX
Beldray
Clarke
Omega Altalfa
Dantherm
Amcor
Rhoss
Kelvinator
Westinghouse
York
Trane
Lennox
Black + Decker
Honeywell
Senville
AUX
Comfee
Whynter
Viessmann
Rinnai
Aermec
NIBE
Sinclair
Blyss
Fral
Whirlpool
Electrolux
Sharp
Cooper & Hunter
Daitsu
Dimplex
Bosch
Vaillant
Olimpia Splendid
Carrier
Toshiba
Mitsubishi Heavy Industries
DeLonghi
Hitachi
Pro Breeze
Meaco
AEG
Devola
Fujitsu
electriQ
Samsung
Woods
Midea
Haier
TCL
Hisense
LG
Gree
EcoAir
Panasonic
Sealey
Daikin
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
97 kWh/yr
EER 13
Standard model
158 kWh/yr
EER 8
Est. saving
£16.44
61 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (12,000 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 4 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£742
This AC / season
£247
You save / season
£495
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 916 kWh | £247 | Up to 300% | |
| Plug-in electric heater | 2748 kWh | £742 | 100% | |
| Electric storage heater | 2748 kWh | £742 | 100% |
Heat output estimated from this unit's 12,500 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 £247/season to heat a room vs £742 for an electric heater - that's £495 saved. https://stockool.store/products/cooper-hunter-alpha-inverter-12000-btu-split-system
You may also need

Sealey Air Cooler, Purifier & Humidifier with Remote Control 13L SAC13
Drop-ship available
Sealey Air Cooler, Purifier & Humidifier SAC04
Drop-ship available
Sealey Air Cooler, Heater, Purifier & Humidifier SAC41




















































