BTU Calculator

Already know your BTU?

Please use the following form to calculate the BTU (energy) requirement of your room. We'll then show you a selection of products that match your requirement.*

Room Details

Results

BTU/hr

Watts

For larger rooms, consider splitting your heat output into multiple radiators to avoid cold spots in a room.

* Please note that all calculations are approximate; for more accurate results a heating engineer should be consulted.