UK portable AC stock crisis: Meaco & Midea portable units face industry-wide dispatch delays of several weeks to months. Split, multi-split, window, cassette & accessory lines are unaffected. Read our dispatch & fulfilment update

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Midea 12,000 BTU Smart Inverter Window AC with Heat
Midea

Midea 12,000 BTU Smart Inverter Window AC with Heat

In StockEnergy A+
£507.460

Trade pricing available — apply or sign in for your trade rate

Dispatched in 2-3 working days
UK-Wide Delivery
Free UK mainland delivery on in-stock units
🇪🇺 EU Delivery available
Dispatched in 3–7 working days, then 5–10 working days EU transit
Orders under €150 ship VAT-paid at checkout (IOSS, no charges on delivery). Orders of €150 or more ship DDU — import VAT and customs duty are collected by the courier on delivery.

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.

1

Self-install friendly

Moderate

This unit is designed for confident DIYers. Guides & video below.

Smart-home ready

Connects natively with the systems below — control by app or voice.

Amazon AlexaGoogle Home
  • Free UK mainland delivery on in-stock units
  • Manufacturer warranty included
  • 14-day returns

Full Specifications

Cooling Capacity12,000 BTU
Recommended Room SizeUp to 50m²
Energy RatingA+
Smart HomeAmazon Alexa, Google Home
Noise Level—
CategoryWindow Units
SKUMAW12HV1CWT

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.

Cooling Capacity
12,000 BTU
12,000 BTU
12,000 BTU
12,000 BTU
Room Size
Up to 50m²
Up to 35m²
Up to 35m²
Up to 30m²
Energy Rating
A+
A
A
A+
Heating Capable
Yes (heat pump)
No
No
No
Smart Home
Amazon Alexa, Google Home
Not built-in
Not built-in
Amazon Alexa, Google Home, Tuya/SmartLife
Stock
In Stock
In Stock
In Stock
In Stock
Price inc VAT
£507.46
£830.00
£720.00
£540.00

Annual 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 methodElectricity / seasonCost / seasonEfficiencySummer cooling
This heat-pump AC879 kWh£237Up to 300%
Plug-in electric heater2638 kWh£712100%
Electric storage heater2638 kWh£712100%

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

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