Heat Loss Calculator

Radiator BTU/Watt Calculator

This calculator is provided 'as is' so please check with your heating engineer.

Room Height:

 

Room Width:

 

Room Length:

 

Total Window Area:

 

Room Type:

 

Below Room:

 

Above Room:

 

Exterior Wall:

 

Window Type:

 

No. of Exterior Walls:

 


Watts Required: BTU's Required: