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12,000 BTU Portable Air Conditioners

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11 products

Heating & Cooling This portable air conditioner has a heating function for the colder months.
  • 12000 BTU - For medium to large spaces in homes & offices
  • 6 Modes: Cool | SmartCool | Heat | Fan | Dehumidify | Sleep
  • Powerful cooling for 30p/hour. Heating for year-round use
  • Smart - Monitor & schedule from your smartphone or assistant
  • For areas up to 30sqm
Energy Label
SAVE 31%
SAVE £183
£399.97
Refurbished from £331.48£ » View product
Heating & Cooling Low energy cooling
  • 12000 BTU - For medium to large spaces in homes & offices
  • 5 Modes: Cool | SmartCool | Fan | Dehumidify | Sleep
  • Low Energy - 26p/hour - 10% less than units with similar power
  • Smart - Monitor & control from your smartphone or assistant
  • For areas up to 30sqm
Energy Label
SAVE 42%
SAVE £293
£399.00
View product
  • 12000 BTU: For medium to large spaces in homes & offices
  • 4 Modes: Cool | Fan | Dehumidify | Sleep
  • A-Rated cooling that costs just 29p/hour
  • 24hr timer - Pre-cool rooms & schedule to suit your routine
  • For areas up to 30sqm
Energy Label
SAVE 34%
SAVE £170
£329.97
Refurbished from £289.97£ » View product
  • 12000 BTU - For medium to large spaces in homes & offices
  • 4 Modes: Cool | Fan | Dehumidify | Sleep
  • Auto-swing function for maximum cooling
  • A-Rated efficiency - Cools rooms for just 29p/hour
  • For areas up to 30sqm
Energy Label
SAVE 26%
SAVE £186
£529.00
Refurbished from £459.97£ » View product
Heating & Cooling This portable air conditioner has a heating function for the colder months.
  • 12000 BTU - For medium to large spaces in homes & offices
  • 5 Modes: Cool | Heat | Fan | Dehumidify | Sleep
  • A-Rated efficiency - Cool rooms for just 25p/hour.
  • Smart - Monitor & control from your smartphone or assistant
  • For areas up to 30sqm
Energy Label
SAVE 11%
SAVE £50
£399.98
Refurbished from £359.98£ » View product
  • 12000 BTU - For offices and warehouses
  • 3 Modes: Cool | Fan | Dehumidify
  • Protective functions extend service life incl. overflow & frost protection
  • 24hr Timer - Pre-cool spaces & switch off automatically
  • For areas up to 30sqm
Energy Label
SAVE 6%
SAVE £44
£669.98
View product
Heating & Cooling This portable air conditioner has a heating function for the colder months.
  • Elegant design with high quality finish - For rooms up to 30 sqm
  • 5 Modes: Cool | Heat | Fan | Dehumidify | Sleep
  • Smart - Control from your phone. Smart scheduling saves energy
  • 24hr Timer - Pre-cool rooms and schedule. Scheduling saves energy.
  • Swing function: Automatic oscillation or fixed position
Energy Label
SAVE 49%
SAVE £294
£593.97
£299.97
View product
Grade A1

10% OFF - Use code COOLME10
  • 12000 BTU: For medium to large spaces in homes & offices
  • 4 Modes: Cool | Fan | Dehumidify | Sleep
  • A-Rated cooling that costs just 29p/hour
  • 24hr timer - Pre-cool rooms & schedule to suit your routine
  • For areas up to 30sqm
Energy Label
SAVE 12%
SAVE £40
£329.97
£289.97
Other grades and new from £329.97£ » View product
Grade A1

10% OFF - Use code COOLME10
  • 12000 BTU - For medium to large spaces in homes & offices
  • 4 Modes: Cool | Fan | Dehumidify | Sleep
  • Auto-swing function for maximum cooling
  • A-Rated efficiency - Cools rooms for just 29p/hour
  • For areas up to 30sqm
Energy Label
SAVE 13%
SAVE £69
£529.00
£459.97
Other grades and new from £529.00£ » View product
Grade A2

20% OFF - Use code COOLME20
  • 12000 BTU: For medium to large spaces in homes & offices
  • 4 Modes: Cool | Fan | Dehumidify | Sleep
  • A-Rated efficient cooling
  • 24hr timer - Pre-cool rooms & schedule to suit your routine
  • For areas up to 30sqm
Energy Label
SAVE 5%
SAVE £16
£295.98
£279.97
View product
Grade A3

  • 12000 BTU - For medium to large spaces in homes & offices
  • 4 Modes: Cool | Fan | Dehumidify | Sleep
  • Auto-swing function for maximum cooling
  • A-Rated efficiency - Cools rooms for just 29p/hour
  • For areas up to 30sqm
Energy Label
SAVE 5%
SAVE £24
£474.05
£449.98
View product

Air Conditioner Calculator

Use our handy calculator, which will help you figure out exactly what size of unit you require for your office or home.

What are the room dimensions?

How many people and heat sources are in the room?

What is a BTU?

A BTU (British Thermal Unit) is a rating used to determine the heating or cooling capacity of your Air Conditioner.

Typically a minimum of 7000 BTU is needed to cool a small room, whereas commercial units can reach up to 25,000 BTU and beyond. Simply, the greater the BTU, the larger the space that the unit can cool.

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