Industrial Ventilation Hood Calculator

Calculate capture velocity and exhaust requirements for industrial hoods per ACGIH standards.

Enter 1 for canopy, 2 for enclosing, 3 for exterior.
type
Open face area of hood.
ft²
Enter 1 for low, 2 for medium, 3 for high.
level

Results

Required Capture Velocity-FPM
Required Exhaust CFM-CFM
Recommended Duct Velocity-FPM
References: ACGIH Industrial Ventilation Manual, Chapter 3; ASHRAE Handbook - HVAC Applications, Chapter 33