For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.

§ 18-28-701.2 — Combustion and dilution air required

Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 18-28-701.2

Corpus is an independent public-information project, not the official City of Chicago website. Stable reference URL

18-28-701.2 Combustion and dilution air required.

Every room or space containing fuel-burning appliances shall be provided with combustion and dilution air as required by this chapter. Combustion and dilution air shall be provided in accordance with Sections 18-28-702, 18-28-703, 18-28-704, 18-28-706 or 18-28-707 shall be provided by an approved engineered system. Direct vent appliances or equipment that do not draw combustion air from inside of the building are not required to be considered in the determination of the combustion and dilution air requirements. Combustion air requirements shall be determined based on the simultaneous operation of all fuel-burning appliances drawing combustion and dilution air from the room or space. (Amend Coun. J. 11-8-12, p. 38872, § 321; Amend Coun. J. 9-14-21, p. 35949, Art. VII, § 1)