Package Unit Selection Calculator

Select packaged rooftop units based on load and ventilation requirements.

Design cooling load.
BTU/hr
Design heating load.
BTU/hr
Required outdoor air ventilation.
CFM

Results

Recommended Unit Size-tons
Total Supply Airflow-CFM
Heating Section Input-MBH
References: ASHRAE Handbook - HVAC Systems and Equipment, Chapter 49 (Unitary Equipment)