BTU Calculator
Get a fast cooling-load estimate using room size, ceiling height, insulation, sun exposure, and windows.
Units
Room area: 144 ft²
Insulation quality
Sun exposure
Number of windows
2windows
Adds 1,000 BTU/hr per window.
Get a fast cooling-load estimate using room size, ceiling height, insulation, sun exposure, and windows.
Units
Room area: 144 ft²
Insulation quality
Sun exposure
Number of windows
Adds 1,000 BTU/hr per window.