If your building’s cooling strategy isn’t ready before Chicago’s next heat wave, you’re already a few steps behind. Chicago building owners need a proactive strategy that keeps tenants, residents, staff, or visitors comfortable and your property compliant.
Chicago’s cooling ordinance requires certain buildings to provide cooling and dehumidification in designated common spaces under specific conditions. Covered buildings may need accessible indoor cooling areas that can maintain safe temperature and humidity levels as outdoor temperatures rise.
With hotter summers and increasing expectations around occupant safety, commercial HVAC planning needs to cover more than basic comfort. Here’s how to prepare your building for sustained heat, humidity, and HVAC system performance under pressure.

