BTU Calculator

Provided byACalculateacalculate.com

This BTU calculator includes an AC mode and a general heating/cooling mode, both free to use. It estimates required B...

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About this tool

This BTU calculator includes an AC mode and a general heating/cooling mode, both free to use. It estimates required BTUs using room size, ceiling height, insulation, sun exposure, climate, and occupancy inputs. The tool is suitable for rough room or house HVAC sizing decisions.

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