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Air-conditioning for human comfort.

Municipal Code of Chicago § 18-28-1104.3.1
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18-28-1104.3.1 Air-conditioning for human comfort. In other than industrial occupancies where the quantity of refrigerant in any independent circuit does not exceed the amount in Table 18-28-1103.1, Group B1, B2 and B3 refrigerants shall not be used in high probability systems for air-conditioning for human comfort.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2688803Fetched: 10/24/2026

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18-28-1104.3.1 | Corpus