BTU Calculator
Use this calculator to estimate the cooling needs of a typical room or house, such as finding out the power of a window air conditioner needed for an apartment room or the central air conditioner for an entire house.
AC BTU Calculator
Use this calculator to estimate the cooling needs of a typical room or house.
sq m
m
people
General Purpose AC or Heating BTU Calculator
This is a general purpose calculator that helps estimate the BTU required to heat or cool an area. The desired temperature change is the necessary increase/decrease from outdoor temperature to reach the desired indoor temperature.
m
m
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°Celsius
e.g. 75°F for Boston winter, 45°F for Atlanta winter.
16,468 BTU
or 4,826 Watts or 1.4 Ton