Heating Calculator

To help with choosing a radiator suitable for your room, the heating calculator below will predict the necessary heat output required to maintain a comfortable room temperature. This is calculated in BTU’s and Watts. These values can be used throughout the site to help short-list suitable products for you.

Please note: The calculations for heat loss, based on the information provided by you, are only for guidance and should not be considered 100% accurate. Shiv Radiators accepts no liability for any errors resulting from the estimates given.

Heating Calculator