Radiator BTU Calculator
Quickly and easily calculate the radiator heat output require to heat a room using our BTU (British Thermal Units) calculator.
How many BTU are needed to heat room?
What size radiators do I need?
Every radiator is given a BTU rating which we have highlighted on each product page on soak.com
The required BTU level to heat your room will influence the size of your radiators, but do not fear, we have numerous options for you to choose from. It definitely helps to consider the space that you have before making a final decision
High output radiators
How you know what radiator heat output you need, you can choose a radiator output that helps you achieve the goldilocks effect - not too hot, not too cold but just right!
View our full range of high BTU radiators or scroll through our pick of high output radiators below.