Prohibited sources.
Municipal Code of Chicago § 18-28-701.5
in effect18-28-701.5 Prohibited sources.
Openings and ducts shall not connect appliance enclosures with a space in which the operation of a fan will adversely affect the flow of combustion air. Combustion air shall not be obtained from a hazardous location, except where the fuel-fired appliances are located within the hazardous location and are installed in accordance with the Chicago Building Code. Combustion air shall not be taken from a refrigeration machinery room.
(Amend Coun. J. 9-14-21, p. 35949, Art. VII, § 1)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687692Fetched: 10/24/2026
