High temperature.
Municipal Code of Chicago § 18-28-507.13.2
in effect18-28-507.13.2 High temperature.
The minimum airflow for Type I hoods used for high-temperature appliances such as deep-fat fryers shall be determined as follows:
Number of exposed sides | Formula
| | For SI:
4 (island or central hood) | Q = 150A | Q = 0.76A
3 or less | Q = 100A | Q = 0.51A
Alternate formula | Q = 100PD | Q = 0.51PD
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687404Fetched: 10/24/2026
