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Heat Loss Calculators

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A suite of tools to help with sizing new radiators correctly. Includes basic and advanced heat loss calculators and panel output tool to compare existing radiator outputs.

Basic Calculator

Get a rough idea of how much heat you need based on the volume of the room.

Advanced Calculator

A more in-depth, fully customisable heat loss calculator.

Panel Radiator Outputs

Calculate the estimated heat output of your existing panel radiators.