HVAC Calculators
Load and sizing calculators for heating, cooling, airflow, ductwork and efficiency planning.
6 calculators available
Ready
BTU / Room Sizing Planner
Estimate a basic heating/cooling load from room area and adjustments.
Open Calculator
Ready
Room CFM Calculator
Estimate airflow from room volume and air changes per hour.
Open Calculator
Ready
Round Duct Size Planner
Estimate round duct diameter from airflow and target velocity.
Open Calculator
Ready
SEER Upgrade Savings Calculator
Estimate relative cooling-energy savings from a higher SEER rating.
Open Calculator
Ready
Ventilation Air Calculator
Estimate outdoor airflow from occupancy and floor area.
Open Calculator