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How do I calculate what size radiator I need for my conservatory?

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You can use a BTU Calculator to work out the required heat output to comfortably warm your conservatory, and decide on what size radiator to choose from there.

The same logic applies to any room in the home – the needed BTU output is a crucial factor in determining what size radiators should be acquired.

You can get more tips and expert advice in our guide to conservatory heating.