HVAC Tonnage Calculator
HVAC AC tonnage calculator.
Enter values above — results appear instantly as you type.
Formula
BTU = sqft × climate factor
Example
2000 sqft, mild, avg insulation → 3.3 tons.
HVAC AC tonnage calculator.
BTU = sqft × climate factor
2000 sqft, mild, avg insulation → 3.3 tons.