◧MeasureThenConstruction Calculators

HVAC Calculators

Find BTU requirements, AC size, heating load, and duct size.

HVAC calculators help you size a heating and cooling system from BTU requirements to AC tonnage and duct size. They give you a starting point for equipment sizing. BTU Calculator.

BTU CalculatorCalculate the BTU rating you need to heat or cool a room. Enter square footage, ceiling height, and insulation to size your unit.AC Size CalculatorFind the right air conditioner size for your room. Enter square footage, ceiling height, and sun exposure to get BTU and tonnage.Heating CalculatorEstimate the heating capacity needed for a space.Duct Size CalculatorDetermine the correct duct size for airflow.HVAC Cost CalculatorEstimate the cost of HVAC equipment and installation.