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Heat Output Calculator

Heat Output Calculator

Please use the calculator below to give you an idea of the suggested heat requirement needed for your room in kW. This is just a rough guide, factors such as the number of outside walls, the size of windows and whether they are double glazed, the age of the home etc, can all influence the heat requirement.

Enter the room sizes in the boxes specified. This gives an approximate output for use as an initial guide in selecting an appliance based on an outside temperature of -1°C and a room with average insulation. However, we strongly recommend that a site survey is undertaken before you make your purchase.

Room Length (m):

Room Width (m):

Height of Ceiling (m):

=

Room area

Required heat output

kW