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Filter by BTU (British Thermal Unit):

No room on your walls? Our ceiling cassette air conditioners could be the solution to your problems. Take a look at them here.

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TCL 12000 BTU Wall Mounted Split Air Conditioner A++/A+  with Heat Pump and 5 years warranty
  • Incredibly Energy Efficient - Rating A++/A+
  • Ultra quiet in operation, Great for Home and Office use
  • Powerful performance and stylish design
  • Cooling, Heating and Dehumidifying
  • 12,000BTU
SAVE 22%
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Multi-split 18000 BTU Inverter Air Conditioner system with single outdoor unit and two 9000 BTU indoor units
  • Multi-split controls the climate of 2 rooms
  • 2 x indoor units with only 1 x outdoor unit
  • Save on space, install and running cost
  • Super efficient DC inverter A+/A
  • Great for homes or offices
SAVE 14%
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TCL 9000 BTU WIFI Smart A++  easy-fit DC Inverter Wall Split Air Conditioner with 5 meters pipe kit and 5 years warranty
  • A++ ultra energy efficient Air Conditioner
  • 9000BTU - ideal for home or small offices
  • Cooling, Heating and Dehumidifying
  • EasyFit pre-gassed with 5m pipe and cable kit
  • Toshiba compressor technology - quiet in operation
SAVE 20%
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Multi-split 18000 BTU Inverter Air Conditioner system with single outdoor unit and two 9000 BTU indoor units
  • Multi-split controls the climate of 2 rooms
  • 2 x indoor units with only 1 x outdoor unit
  • Save on space, install and running cost
  • Super efficient DC inverter A+/A
  • Great for homes or offices
SAVE 24%
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12000 BTU Black Smart Wall Mounted Split Air Conditioner with Heat Pump 5 meters pipe kit and 5 years warranty
  • Super DC Split Inverter Air Conditioners A+/A Efficiency
  • Ultra quiet in operation, Great for Home and Office use
  • Panasonic Powered, latest design and performance
  • Cooling, Heating and Dehumidifying
  • Easy Fit and pre-gassed with 5 meters pipe and cable kit supplied as standard
SAVE 16%
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TCL 24000 BTU WIFI Smart A++ easy-fit DC Inverter Wall Split Air Conditioner with 5 meters pipe kit and 5 years warranty
  • A++ ultra energy efficient Air Conditioner
  • Perfect for home, office and commercial use
  • 3-in-1: Cooling, heating and dehumidifying
  • EasyFit pre-gassed with 5m pipe and cable kit
  • Really powerful but quiet in operation
SAVE 27%
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9000 BTU Black Smart Wall Mounted Split Air Conditioner with Heat Pump 5 meters pipe kit and 5 years warranty
  • Super DC Inverter A++/A+ efficiency
  • Ultra quiet in operation, Great for Home and Office use
  • Panasonic Powered, latest design and performance
  • Cooling, Heating and Dehumidifying
  • EasyFit pre-gassed with 5 m pipe and cable kit
SAVE 17%
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Multi-split 24000 BTU Inverter Air Conditioner system with single outdoor unit and two 12000 BTU indoor units with 5 meters pipe kit
  • Multi-split controls the climate of 2 rooms
  • 2 x indoor units with only 1 x outdoor unit
  • Save on space, install and running cost
  • Super efficient DC inverter A+/A
  • Great for homes or offices
SAVE 20%
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Midea LHWMS18 18000 BTU Luna High Wall Mounted Inverter Air Conditioner with heat pump
  • Outputs 18000 Btu/h
  • Outputs 5.0 kW
  • Mono and multi-unit applications
  • High COP DC inverter
  • Frost protection in heating mode
SAVE 32%
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Midea LHWMS24 24000 BTU Luna High Wall Mounted Inverter Air Conditioner with Heat Pump
  • Outputs 24000 Btu/h
  • Outputs 6.7 kW
  • High COP DC inverter
  • Mono and multi-unit applications
  • Frost protection in heating mode
SAVE 24%
Compare
Multi-split 24000 BTU Inverter Air Conditioner system with single outdoor unit and two 12000 BTU indoor units with 5 meters pipe kit
  • Multi-split controls the climate of 2 rooms
  • 2 x indoor units with only 1 x outdoor unit
  • Save on space, install and running cost
  • Super efficient DC inverter A+/A
  • Great for homes or offices
SAVE 13%
Compare
TCL 18000 BTU WIFI Smart A++  easy-fit DC Inverter Wall Split Air Conditioner with 5 meters pipe kit and 5 years warranty
  • A++ ultra energy efficient Air Conditioner
  • 18,000BTU - ideal for homes and large offices
  • Cooling, Heating and Dehumidifying
  • EasyFit pre-gassed with 5m pipe and cable kit
  • Toshiba powered and quiet in operation

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which wall split air conditioner

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

What is the size of the place you want to cool?

Length (m):   Width (m):   Height (m):

How many people and heat sources are in the room?

People:   Devices (PCs, Monitors, Printers etc):

    Total: BTUs of cooling required  

What is a BTU?

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