Calculators
CFM Calculator
The CFM calculator is used to calculate the rate at which air moves in a space using measurements in cubic feet per minute of air exchange.
Heat Load Calculator
The HVAC Heat Load Calculator estimates the heating and cooling requirements of a building to determine the most appropriate HVAC requirements.
(ACH & ACPH) Calculator
Use our free online Air Changes per Hour (ACH & ACPH) Calculator to determine the air changes per hour (ACH) and ventilation rate of your space.