BTU Calculator
Find the right AC or heating unit size for any room
Room Length (ft)
Room Width (ft)
Ceiling Height (ft)
Climate Zone
Hot / Very Hot
Moderate
Cool / Cold
Insulation
Poor (older home)
Average
Good (well-sealed)
Sun Exposure
Very Sunny
Average
Mostly Shaded
Occupants
Room Type
Standard Room
Kitchen
Calculate BTU Requirement
Required Capacity
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BTU / hour
—
—
Square feet
—
Tons
Suggested unit:
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Estimate only. Consult a licensed HVAC technician for final sizing.
Provided by
Comfortable HVAC Services
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