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Cast Iron Radiator BTU Calculator

Use this calculator to calculate the BTU/hour required.

Enter your room dimensions in:

Metres Feet
Width: Length: Height:

Select your room type:

Dining room / Lounge / Bathroom
Bedroom
Kitchen / Common Area

Extra Factors: (Tick if yes)

Is your room North facing?
Does your room have French windows?
Does your room have double glazing?

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