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• Whole house boiler sizing wizard

Whole house boiler sizing wizard

Use this sizing wizard to get the replacement boiler for your house that runs most efficiently, has lower running costs and produces lower carbon emissions. This method should be used for gas, oil and LPG boilers up to 25Kw.

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Take the internal measurements of the dwelling

Enter the dwelling length, width and room height (all in metres) and number of floors.

 

Length:

Width:

Height:

Number of floors:

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