Occupiable work spaces.
Municipal Code of Chicago § 14X-8-802.3
in effect14X-8-802.3 Occupiable work spaces.
Indoor occupiable work spaces must be provided with permanent heating equipment capable of maintaining a room temperature of 68ºF (20ºC) in all habitable spaces, toilet rooms, and bathrooms when the outdoor temperature is -7ºF (-22ºC). Neither cooking appliances, domestic water heating equipment, nor portable space heaters may be used to provide the required heating capacity.
Exceptions:
1. Processing, storage, and operation areas that require cooling or special temperature conditions.
2. Areas in which workers are primarily engaged in vigorous physical activities.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2676226Fetched: 10/24/2026
