
Midea 12,000 BTU Smart Inverter Window AC with Heat
Trade pricing available — apply or sign in for your trade rate
Retail prices include VAT.
The Midea 12,000 BTU Smart Inverter Window AC with Heat is a versatile, multi-season climate control solution for your home. Unlike standard cooling-only units, this model features a heat pump function, providing supplemental warmth during the transitional spring and autumn months. Engineered with variable-speed inverter technology, it delivers exceptional energy efficiency, saving up to 25% compared to standard units. It is designed to operate at ultra-low noise levels, reaching as low as 45 dBA, ensuring your sleep or work remains undisturbed. The unit is fully smart-enabled, allowing you to monitor and adjust settings via the Midea Air app or through voice commands with Amazon Alexa and Google Assistant. With a cooling capacity suitable for rooms up to 50m², this unit is perfect for larger living areas or open-plan spaces. Its robust design and dual-functionality make it a premium choice for UK residents looking for year-round comfort in a single, easy-to-install window-mounted package.
Self-install friendly
ModerateThis unit is designed for confident DIYers. Guides & video below.
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
Full Specifications
Description
The Midea 12,000 BTU Smart Inverter Window AC with Heat is a versatile, multi-season climate control solution for your home. Unlike standard cooling-only units, this model features a heat pump function, providing supplemental warmth during the transitional spring and autumn months. Engineered with variable-speed inverter technology, it delivers exceptional energy efficiency, saving up to 25% compared to standard units. It is designed to operate at ultra-low noise levels, reaching as low as 45 dBA, ensuring your sleep or work remains undisturbed. The unit is fully smart-enabled, allowing you to monitor and adjust settings via the Midea Air app or through voice commands with Amazon Alexa and Google Assistant. With a cooling capacity suitable for rooms up to 50m², this unit is perfect for larger living areas or open-plan spaces. Its robust design and dual-functionality make it a premium choice for UK residents looking for year-round comfort in a single, easy-to-install window-mounted package.
Compare similar units
Side-by-side specs for other window units in a similar BTU range.
Filter by brand
Stiebel Eltron
Broughton
Reznor
Omega Altalfa
Clarke
Beldray
VYtronIX
Costway
Suntec
Swegon
FlaktGroup
Powrmatic
CIAT
Trane
York
Westinghouse
Kelvinator
Rhoss
Amcor
Dantherm
Black + Decker
Lennox
Honeywell
Senville
Comfee
AUX
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
115 kWh/yr
EER 11
Standard model
158 kWh/yr
EER 8
Est. saving
£11.65
43 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
£712
This AC / season
£237
You save / season
£475
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 879 kWh | £237 | Up to 300% | |
| Plug-in electric heater | 2638 kWh | £712 | 100% | |
| Electric storage heater | 2638 kWh | £712 | 100% |
Heat output estimated from this unit's 12,000 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 →
Share your savings
This heat-pump AC costs only £237/season to heat a room vs £712 for an electric heater - that's £475 saved. https://stockool.store/products/midea-12000-btu-smart-inverter-window-ac-with-heat
You may also need

Sealey SAC5000 3-in-1 Portable Air Conditioning Unit 5,000Btu/hr

Sealey SACWK1 Window Sealing Kit for Air Conditioner Ducting

Stiebel Eltron AWG 315 SR.2 Wall Duct

























































