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HEAT LOSS CALCULATOR

Using the form below, choose and enter the relevant information and then click "Calculate" to show the heat requirement for your chosen room.

Please note that these heat requirement figures are for guidance only. External walls, outdoor temperatures, insulation, etc, all play a part. We would always advise you choose radiators with a higher output than required, as you can always turn them down, yet you have the reassurance of additional heat during really cold spells. For larger rooms with heat requirements greater than 3,500 Watts (12,000 BTUs), we suggest splitting this into two radiators if possible to provide a more even distribution of heat.

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