BTU Calculator
British Thermanl Unit or BTU for short is a measure of heat output. We believe it is the best way to work out what size radiator or how many radiators you will need in a room. There are many factors to consider when calculating BTU such as room dimensions, room type, windows and orientation. Please feel free to use our BTU calculator below to work out what radiators you will need.
Calculate Your Room's BTU
Room
Which room are you measuring?
Living
Bedroom
Bathroom
Kitchen
Hallway
Dining
Dimension Unit
Room Dimensions
Additional Information
Does your room have any of the folowing?
