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Form a Business

General.

Municipal Code of Chicago § 18-28-918.9.1
in effect
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18-28-918.9.1 General. Due to safety and health considerations, a central heating furnace may only supply heated air to a single residential living unit.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2688360Fetched: 10/24/2026

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

18-28-918.9.1 | Corpus