Last updated: April 13, 2026

Air Conditioner BTU Calculator

Based on 3 sources

100 people find this calculator helpful

Cooling Load Estimation

Estimate the cooling capacity (BTU) needed for a room. This is a rough guide; for professional installations, a Manual J calculation is recommended.

Room Area

sq ft

Sunlight Exposure

Avg. Occupants

This is a kitchen (+4000 BTU)

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