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Air Conditioner Size Calculator
Estimate reference air-conditioner capacity in BTU and kW from area, ceiling height, sun, and insulation.
Air Conditioner Size Calculator
Compare rough residential AC capacity before getting quotes.
Air Conditioner Size Calculator
Cooling load varies by climate, glazing, occupants, heat-generating equipment, ventilation, and line-set length. Confirm final sizing and electrical capacity with an HVAC professional.
How to use it
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Adjust for real conditions
Measurement error, product specifications, installation method, and safety requirements can change the real quantity or recommended value.
Frequently asked questions
Does this replace professional advice?
No. Work involving structure, electrical systems, HVAC, waterproofing, or loads should be checked by a professional.