Heat BTU Calculator
British Thermal Units (BTUs) are a measurement of energy required to increase temperature, frequently used when discussing HVAC. Use the following calculator to understand how many BTUs are needed to heat your indoor space.
Your area requires {{ calcFinal }} BTUs to heat properly.
If you live in North America, use the map below to choose the appropriate climate zone number.
Still have questions? Ask an HVAC expert directly via chat or phone.
