Winter is coming — your air conditioner heats too. Cut heating bills by up to 67% vs electric heaters.

🇬🇧 Delivering air conditioning across the UK — free UK mainland delivery on in-stock units
Black + Decker 12000 BTU Portable Air Conditioner with Heat
Black + Decker

Black + Decker 12000 BTU Portable Air Conditioner with Heat

Pre-OrderEnergy A
£440.300

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
EU pre-order — approx. 4 weeks, dispatch + 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 Black + Decker 12000 BTU Portable Air Conditioner with Heat is the ultimate year-round climate control solution for your home. This versatile unit provides powerful cooling during the summer and efficient heating during the colder months, making it a truly indispensable appliance. Designed for rooms up to 550 square feet, it features advanced airflow technology to ensure consistent temperature distribution. The unit includes a dehumidifier mode to remove excess moisture, improving overall air comfort. Installation is simple and requires no permanent modifications, thanks to the included window kit. With its sleek design, quiet operation, and intuitive remote control, you can easily manage your environment from the comfort of your sofa. Whether you need to cool down a bedroom or warm up a home office, this Black + Decker unit delivers consistent performance and energy efficiency. Invest in a product that offers both comfort and convenience, backed by the trusted quality of the Black + Decker brand.

1

Self-install friendly

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

Add smart control

No built-in Wi-Fi — automate this unit with a smart plug & temperature sensor.

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

Full Specifications

Cooling Capacity12,000 BTU
Recommended Room Sizeup to 550 sq ft
Energy RatingA
Smart HomeNot built-in
Noise Level—
CategoryPortable AC
SKUBPT08HWTB

Description

The Black + Decker 12000 BTU Portable Air Conditioner with Heat is the ultimate year-round climate control solution for your home. This versatile unit provides powerful cooling during the summer and efficient heating during the colder months, making it a truly indispensable appliance. Designed for rooms up to 550 square feet, it features advanced airflow technology to ensure consistent temperature distribution. The unit includes a dehumidifier mode to remove excess moisture, improving overall air comfort. Installation is simple and requires no permanent modifications, thanks to the included window kit. With its sleek design, quiet operation, and intuitive remote control, you can easily manage your environment from the comfort of your sofa. Whether you need to cool down a bedroom or warm up a home office, this Black + Decker unit delivers consistent performance and energy efficiency. Invest in a product that offers both comfort and convenience, backed by the trusted quality of the Black + Decker brand.

Compare similar units

Side-by-side specs for other portable ac in a similar BTU range.

Cooling Capacity
12,000 BTU
12,000 BTU
12,000 BTU
12,000 BTU
Room Size
up to 550 sq ft
Up to 35m²
Up to 35m²
Up to 30m²
Energy Rating
A
A
A+
A
Heating Capable
Yes (heat pump)
No
Yes (heat pump)
No
Smart Home
Not built-in
Amazon Alexa, Google Home
Amazon Alexa, Google Home
Amazon Alexa, Google Home
Stock
Pre-Order
In Stock
In Stock
Pre-Order
Price inc VAT
£440.30
£780.00
£540.00
£507.46

Annual energy savings estimate

How much this A-rated unit could save versus a standard C-rated model, based on your usage.

This unit

127 kWh/yr

EER 10

Standard model

158 kWh/yr

EER 8

Est. saving

£8.55

32 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/black-decker-12000-btu-portable-air-conditioner-with-heat

You may also need

Sealey SAC5000 3-in-1 Portable Air Conditioning Unit 5,000Btu/hr
Pre-Order
Ships to EU

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

5,000 BTU Up to 10m²
Energy A
Drop-ship available
£291.96inc VAT
Dispatched in 2-3 working days
Sealey SACWK1 Window Sealing Kit for Air Conditioner Ducting
Pre-Order
Ships to EU

Sealey SACWK1 Window Sealing Kit for Air Conditioner Ducting

0 N/A
Energy N/A
Drop-ship available
£20.54inc VAT
Dispatched in 2-3 working days
Stiebel Eltron AWG 315 SR.2 Wall Duct
Pre-Order
Ships to EU

Stiebel Eltron AWG 315 SR.2 Wall Duct

0 N/A
Energy A++
Drop-ship available
£276.12inc VAT
Dispatched in 2-3 working days
Stiebel Eltron SRC R Wireless Temperature Controller
Pre-Order
Save £38.51
Ships to EU
Stiebel Eltron Tuya/SmartLife

Stiebel Eltron SRC R Wireless Temperature Controller

0 Up to 50m²
Energy A+
Drop-ship available
£201.49inc VAT
£240.00
Dispatched in 2-3 working days