Heatloss Calculator

Use this Heatloss Calculator to work out how much heat (in kilowatts) is required to heat each room in your home.

What type of House do you have?
House Type
All rooms in your house
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Add one of the Rooms in your Home
Room Type
Room Name
Width (m)
Length (m)

Learn More About Heatloss

Every house or structure looses heat, even the best low energy homes. We calculate the heatloss to know the correct amount to put in to achieve certain levels of comfort.

To work out accurate heatloss calculations, many factors need to be taken into account, such as house location, room dimensions, house construction, size of windows etc. for accurate heatloss calculation, please contact us.

This calculator is an approximate guide only, to the required kilowatts and possible radiator sizes for your home.