HEAT REQUIREMENT CALCULATOR
For One Room
Room type:
Living Room
Dining Room
Hallway

Kitchen
Bedroom
Bathroom
Is the house:
Sheltered
Average
Exposed
Window type:
Single Glazed
Double Glazed
Length (Metres) Width (Metres) Height (metres)
BTU/hr to
Watts to .


This is a guide only. A radiator with insufficient output may never raise the temperature to that required. Outdoor temperatures, external walls, insulation, heated adjacent rooms (i.e. above, below and to the side) all play a part. The boiler should be able to supply all connected radiators to the sum of their maximum demand.


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Built in Britain    
Designated models.