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Portable Box Room Air Conditioners

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29 products

Best buy banner
  • 12k BTU: For medium to large spaces like homes and offices
  • 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: 30sqm
Energy Label
SAVE 34%
SAVE £170
£329.98
Refurbished from £299.98£ » View product
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 Label
SAVE 32%
SAVE £120
£369.97
£249.97
Refurbished from £209.98£ » View product
  • 12k BTU: For medium to large spaces like homes and offices
  • 4-in-1: Air con, heater, fan and dehumidifier mode
  • Heat pump: heats in winter for all-year-round use
  • WIFI function: Control from anywhere with your smartphone
  • For rooms up to: 30sqm
Energy Label
SAVE 31%
SAVE £183
£582.97
£399.97
Refurbished from £379.00£ » View product
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 Label
SAVE 39%
SAVE £170
£269.97
Refurbished from £229.98£ » View product
  • 10k BTU: For medium to large spaces like homes and offices
  • 4-in-1: Air con, heater, fan and dehumidifier mode
  • Heat pump: heats in winter for all-year-round use
  • WiFi function: Control from anywhere with your smartphone
  • For rooms up to: 28sqm
Energy Label
SAVE 43%
SAVE £268
£626.97
£359.00
Refurbished from £305.98£ » View product
Best buy banner
  • 9000 BTU - Ideal for living rooms and bedrooms
  • 3-in-1: Air con, fan and dehumidifier modes
  • Cheap to run: A rated energy efficiency
  • 24-hour timer to save on energy and pre-cool rooms
  • For rooms up to: 21sqm
Energy Label
SAVE 25%
SAVE £100
£299.97
Refurbished from £279.00£ » View product
  • Powerful cooling - 12,000 BTU/h cooling capacity
  • 17°C-30°C adjustable thermostat
  • A+ rated - Cheap to run and energy-efficient
  • Smart cool - Automatically adjusts the fan speed for the set temperature
  • For rooms up to: 30sqm
Energy Label
SAVE 42%
SAVE £293
£691.97
£399.00
View product
  • 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 Label
SAVE 40%
SAVE £200
£499.98
£299.98
Refurbished from £279.00£ » View product
  • Cooling, Fan and Dehumidifying functions
  • Energy Efficiency Class: A++
  • Silent & Real Feel Technology for optimum comfort
  • Portable and easy to use
  • For rooms up to: 28sqm
Energy Label
SAVE 29%
SAVE £251
£629.00
View product
  • Cooling, Fan and Dehumidifying functions
  • Energy efficiency class: A
  • 3 fan speeds for optimal cooling
  • Highly Portable and easy to use
  • For rooms up to: 36sqm
Energy Label
SAVE 19%
SAVE £148
£796.97
£649.00
Refurbished from £549.98£ » View product
  • Cooling, Fan and Dehumidifying functions
  • Energy efficiency class: A+
  • 3 fan speeds for optimal cooling
  • Highly Portable and easy to use
  • For rooms up to: 55sqm
Energy Label
SAVE 24%
SAVE £211
£669.00
Refurbished from £599.98£ » View product
  • For rooms up to: 29sqm
  • Timer: 24 hours
Energy Label
SAVE 28%
SAVE £269
£967.97
£699.00
View product
  • For rooms up to: 28sqm
  • Timer: 24 hours
Energy Label
SAVE 26%
SAVE £131
£499.97
£369.00
View product
Best buy banner
  • For rooms up to: 20sqm
  • Timer: 24 hours
Energy Label
SAVE 30%
SAVE £144
£472.97
£329.00
View product
  • 2 in 1 design air conditioner and fan
  • Digital control panel and remote for easy use
  • Low power consumption - A Energy Rating
  • Cooling and fan function
  • For rooms up to: 21sqm
Energy Label
SAVE 18%
SAVE £100
£469.97
Refurbished from £220.28£ » View product
  • Cooling, dehumidifying and fan functions
  • Great for bedrooms and offices
  • Auto-swing function for maximum cooling
  • Low power consumption saves you money on your bills
  • For rooms up to: 30sqm
Energy Label
SAVE 19%
SAVE £135
£579.98
Refurbished from £479.98£ » View product
  • 12k BTU: For medium to large spaces like homes and offices
  • 4-in-1: Air con, heater, fan and dehumidifier mode
  • Cheap to run: A rated energy efficiency
  • Heat pump: heats in winter for all-year-round use
  • For rooms up to: 30sqm
£429.97
Refurbished from £409.97£ » View product
Free Delivery
  • For rooms up to: 21sqm
  • Timer: 24 hours
  • Warranty: 1 year warranty
Energy Label
SAVE 25%
SAVE £151
£599.98
£449.00
FREE Delivery to most of the UK
Refurbished from £379.98£ » View product
  • Cooling, Fan and Dehumidifying functions
  • Portable AC perfect for bedrooms and living spaces
  • Energy Efficiency Class: A
  • For rooms up to: 25sqm
  • Timer: 24
Energy Label
SAVE 28%
SAVE £171
£429.00
Refurbished from £385.98£ » View product
Grade A2

  • 3 in 1 unit with Cooling, Fan, Dehumidifier function
  • 12,000 BTU air conditioner - great for rooms up to 30 sqm
  • Multi protective functions to prevent damage and protect the service life of the machine
  • For rooms up to: 30sqm
  • Timer: 24 hours
Energy Label
£699.98
View product
  • Elegant design with high quality finish
  • 4-in-1 Functions: Cooling, Heating, Ventilation, Dehumidification
  • Integrated Wifi for long distance control of functionalities
  • 3-speed fan + Auto speed and 24 hour timer
  • Swing function: Automatic oscillation or fixed position
SAVE 16%
SAVE £94
£593.97
£499.98
Refurbished from £425.98£ » View product
Grade A1

  • 30% smaller than other air conditioners
  • Digital control panel and remote for easy use
  • 3-in-1 unit with timer for pre-cooling
  • Low power consumption - A Energy Rating
  • For rooms up to: 21sqm
SAVE 7%
SAVE £21
£299.97
£279.00
Other grades and new from £299.97£ » View product
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 Label
SAVE 15%
SAVE £64
£419.98
£355.98
View product
Grade A2

Refurbished AEG AXP26U339CW

SKU: A2/AXP26U339CW

  • For rooms up to: 21sqm
  • Timer: 24 hours
Energy Label
SAVE 15%
SAVE £85
£579.00
£494.10
View product
Grade A2

  • Great for medium sized areas - Up to 30 m
  • Great for homes, offices, conservatories
  • Cooling, Heating and Dehumidifying
  • For rooms up to: 30m²
  • Smart: WiFi Built-in
SAVE 14%
SAVE £61
£439.97
£379.00
View product
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 Label
SAVE 6%
SAVE £20
£319.97
£299.97
View product
Grade A1

  • Cooling, Fan and Dehumidifier
  • Highly portable with castor wheels
  • 3 fan speeds for optimal cooling
  • Easy to operate touch controls
  • For rooms up to: 30sqm
SAVE 9%
SAVE £30
£329.98
£299.98
Other grades and new from £329.98£ » View product
Grade A1

  • For rooms up to: 30sqm
  • Timer: 24 hours
  • Warranty: 6 month warranty
Energy Label
SAVE 10%
SAVE £60
£579.98
£519.98
Other grades and new from £479.98£ » View product
Grade A1

  • For rooms up to: 28sqm
  • Timer: 24 hours
  • Warranty: 6 month warranty
SAVE 12%
SAVE £85
£699.00
£614.23
Other grades from £413.48£ » 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 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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