Bartholomew Heat Calculator

Use our Heat Calculator to help give you an idea of the heat output you need for each room. It will also show how many sections you will need for your chosen Cast Iron Radiator range.

This tool aims to provide an estimate on sizing radiators and is not in-depth heat loss calculation tool.

Room Domensions
About The Room
Output Required
Radiator Sections Required

With this radiator style you would need a minimum of sections shown below:

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