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Cellar Air Conditioners

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14 products

Best buy banner
  • 10k BTU: Ideal for home use like living rooms and bedrooms
  • 3-in-1: Air con, fan and dehumidifier mode
  • Cheap to run: A rated energy efficiency
  • 24-hour timer to save on energy and pre-cool rooms
  • For rooms up to: 28sqm
Energy rating A
SAVE 39%
SAVE £170
£269.97
Refurbished from £229.98 » View product
Compare
Best buy banner
  • 7k BTU: Ideal for home use like living rooms and bedrooms
  • 3-in-1: Air con, fan and dehumidifier mode
  • Cheap to run: A rated energy efficiency
  • 24-hour timer to save on energy and pre-cool rooms
  • For rooms up to: 20sqm
Energy rating A
SAVE 32%
SAVE £120
£369.97
£249.97
Refurbished from £155.98 » View product
Compare
Best buy banner
  • 14k BTU: For homes, offices, conservatories and server rooms
  • 4-in-1: Air con, heater, fan and dehumidifier mode
  • Weatherproof: can be placed outside to cool or heat
  • Heat pump: heats in winter for all-year-round use
  • For rooms up to: 38sqm
Energy rating A/A
SAVE 25%
SAVE £150
£449.97
Refurbished from £369.98 » View product
Compare
  • 8k BTU: For medium-sized spaces like bedrooms and living rooms
  • 3-in-1: Air con, fan and dehumidifier mode
  • Quietest in its class, perfect for bedrooms and offices
  • Energy efficient smart cool mode auto adjusts temperature
  • For rooms up to: 20sqm
Energy rating A
SAVE 40%
SAVE £200
£499.98
£299.98
Refurbished from £279.00 » View product
Compare
Free Delivery
  • For rooms up to: 21sqm
  • Timer: 24 hours
  • Warranty: 1 year warranty
A+ rated
SAVE 25%
SAVE £151
£599.98
£449.00
FREE Delivery to most of the UK
Refurbished from £379.98 » View product
Compare
  • 14k BTU: Ideal for homes, offices and server rooms
  • 4-in-1: Air con, heater, fan and dehumidifier mode
  • Weatherproof: can be placed outside to cool or heat
  • WIFI function: Control from anywhere with your smartphone
  • For rooms up to: 38sqm
Energy rating A/A
SAVE 17%
SAVE £100
£499.97
Refurbished from £425.98 » View product
Compare
Best buy banner
  • 14k BTU: For homes, offices, conservatories and server rooms
  • 4-in-1: Air con, heater, fan and dehumidifier mode
  • Weatherproof: can be placed outside to cool or heat
  • Heat pump: heats in winter for all-year-round use
  • For rooms up to: 38sqm
Energy rating A/A
SAVE 5%
SAVE £30
£519.96
View product
Compare
Best buy banner
  • For rooms up to: 20sqm
  • Timer: 24 hours
Energy rating A
SAVE 30%
SAVE £144
£472.97
£329.00
View product
Compare
Grade A1

  • For rooms up to: 38sqm
  • Timer: 24 hours
  • Warranty: 6 month warranty
Energy rating A/A
SAVE 10%
SAVE £44
£449.97
£405.98
Other grades and new from £369.98 » View product
Compare
Grade A2

  • Cooling, heating and dehumidifying
  • Powerful and extra efficient A/A++
  • Weatherproof can be placed outside room to cool or heat
  • Ideal for homes, offices, conservatories, Server rooms 
  • For rooms up to: 38sqm
Energy rating A/A
SAVE 15%
SAVE £74
£499.97
£425.98
Other grades and new from £499.97 » View product
Compare
Grade A1

  • For rooms up to: 38sqm
  • Timer: 24 hours
Energy rating A/A
SAVE 37%
SAVE £221
£599.98
£379.00
View product
Compare
Grade A2

  • 8k BTU: For medium-sized spaces like bedrooms and living rooms
  • 3-in-1: Air con, fan and dehumidifier mode
  • Quietest in its class, perfect for bedrooms and offices
  • Energy efficient smart cool mode auto adjusts temperature
  • For rooms up to: 20sqm
Energy rating A
SAVE 15%
SAVE £64
£419.98
£355.98
View product
Compare
Grade A1

  • 14k BTU: Ideal for homes, offices and server rooms
  • 4-in-1: Air con, heater, fan and dehumidifier mode
  • Weatherproof: can be placed outside to cool or heat
  • WIFI function: Control from anywhere with your smartphone
  • For rooms up to: 38sqm
Energy rating A/A
SAVE 32%
SAVE £190
£599.98
£409.97
View product
Compare
Grade A2

  • 10k BTU: Ideal for home use like living rooms and bedrooms
  • 3-in-1: Air con, fan and dehumidifier mode
  • Cheap to run: A rated energy efficiency
  • 24-hour timer to save on energy and pre-cool rooms
  • For rooms up to: 28sqm
Energy rating A
SAVE 6%
SAVE £20
£319.97
£299.97
View product
Compare

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 BTU?

A BTU (British Thermal Unit) is a rating used to determine the heating or in the case of an Air Conditioner unit the cooling capacity of an appliance.

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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