Evaporator Coil Sizing Calculator

Calculate required evaporator coil surface area and airflow for refrigeration applications.

Total heat to be removed.
Btu/h
Refrigerant evaporating temperature.
°F
Air temperature entering the evaporator.
°F
Design TD between air and refrigerant (typical 10-20°F).
°F

Results

Required Airflow-CFM
Coil Face Area-ft²
Suggested Rows-
References: ASHRAE Handbook - HVAC Systems and Equipment, Chapter 23. Air-Cooling and Dehumidifying Coils.