Radiator BTU Calculator
The heat output or ‘BTU’ (British Thermal Unit) calculator is a great way to work out how much radiator power you need. There are several factors which can affect this, such as room dimensions, heating levels and types of windows, which are converted in our radiator BTU calculator. please note you may need several radiators for bigger rooms.
How do I choose the right radiator?The BTU value of all our radiators is clearly labelled in-store and online, helping you find the perfect radiator for your space.
Which room are you installing heating to?Width
M
Height
M
Length
M