Commercial Kitchen Ventilation Calculator
Commercial Kitchen Ventilation
Calculate kitchen exhaust hood CFM requirements.
Formula
CFM = CFM Per Linear Foot x Hood Length x Hood Factor
Frequently Asked Questions
How many CFM does a commercial kitchen need?
Light duty needs 300 CFM per linear foot; heavy duty needs 400 to 500 CFM per foot.
What is makeup air?
Makeup air replaces exhausted air to maintain proper building pressure balance.