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Heat Calculator Heat Calculator
 
We recommend that you use the calculator prior search for a product unless you already know the desired heating output. Correct stove sizing is important because a stove too large for the heat demand of the space will be operated with slow, smouldering fires much of the time in order to avoid overheating the room. On the other hand, an undersized stove can be damaged by frequent over-firing to keep up with heat demand. Most of our larger stoves can heat entire open-plan space without overheating the space.

Please be aware that the calculated result is for a typical room and does not take into account any extra heat loss through windows, draughts etc..
To calculate the heating output of stoves, please enter dimension of your room and click “Calculate".

Simply key in your room measurements, choose the correct units and click the "equals" button to find the heat output required to adequately heat your room.

  Room measurements in:

Length:
 Width:
 Height:
Click for result! 
 kW of heat output needed.

The following formula and example will give you a reasonable guide to the heat output you are likely to need. To establish the cubic capacity of the room, measure the length by the width by the height, for example a room that is in the region of 6.5 metres. (21ft. 6") x 4.5 metres. (15ft.) x 2.4 metres high (8ft.) will require a stove of about 5kW output to adequately heat its 70.2 cubic etres

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