Low temperature.
Municipal Code of Chicago § 18-28-507.13.4
in effect18-28-507.13.4 Low temperature.
The minimum airflow for Type I hoods used for low-temperature appliances such as medium-to-low temperature ranges, roasters, roasting ovens, pastry ovens and appliances approved for use under a Type II hood, such as pizza ovens, shall be determined as follows:
Number of exposed sides | Formula
| | For SI:
4 (island or central hood) | Q = 75A | Q = 0.38A
3 or less | Q = 50A | Q = 0.25A
Alternate formula | Q = 50PD | Q = 0.25PD
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687410Fetched: 10/24/2026
