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.

Now that you have worked out what type of BTU output you require, please browse through our extensive range of angled convector radiators, curved convector radiators, and towel radiators, where you will find a BTU Heat Output filter that will help you select the desired radiator with the correct output.

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