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HVAC Load Calculator
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HVAC
HVAC Load Calculator
Estimate heating and cooling BTU requirements for any room.
Room Area (sq ft)
Ceiling Height (feet)
8 feet
9 feet
10 feet
Climate Zone
Zone 1 (Very Hot — FL, TX, AZ)
Zone 2 (Hot — CA, GA, SC)
Zone 3 (Moderate — NC, VA, TX)
Zone 4 (Cold — NY, PA, IL)
Zone 5 (Very Cold — MN, ND, AK)
Insulation Level
Poor / Uninsulated
Average / Existing
Good / Well Insulated
Calculate
Cooling (BTU/hr)
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Heating (BTU/hr)
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