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Form a Business

Return-air limitation.

Municipal Code of Chicago § 18-28-918.8
in effect
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18-28-918.8 Return-air limitation. The installation of conversion burners shall conform to ANSI Z21.8, Installation of Domestic Gas Conversion Burners.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2688357Fetched: 10/24/2026

Starting a business in Illinois? Illinois LLC guide: costs and requirements

18-28-918.8 | Corpus