Mechanical
Air Changes & Ventilation
Converts between room volume, air change rate and supply airflow, with an outdoor-air check per occupant.
ACH = (CFM × 60) / volume · ASHRAE 62.1 OA rates
Inputs
Results
Supply airflow required
720 CFM
Minimum outdoor air
88 CFM
- Room volume
- 7,200 ft³
- Outdoor air fraction
- 12.2 %
- Airflow per area
- 0.9 CFM/ft²