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Room heating calculator


For an estimate of how much heat you need for a room, please use the guide below.

Please note the calculations returned should be taken as a guide only and are not detailed heat loss calculations.

  • This guide can be used for multiple rooms, but it treats each room individually and assumes adjacent rooms are unheated
  • If your room/property does not fit the description provided, or you would like a more detailed assessment please visit our heating design section 
  • Items with * are compulsory 
What are the dimensions of the room:
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