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