BTU-This calculator is designed to give an estimate of the heating needs of a room, combination of rooms, or an entire home. Simply enter the length and width of the area to be heated and select the climate and insulation factors from the pop-up boxes. This is to be used for a general guideline only. Factors such as quantity and size of windows and exterior walls can also affect these calcualations.

BTU Calculator makes it easy to calculate the size of heater needed for the space you need to heat

Calculate your BTU requirements in 3 simple steps