Industry Links
The following links are available to CBHCC members.
The following links are available to CBHCC members.
City of Chicago Building Department
The Department of Buildings supports the safety and quality of life.
The Department of Buildings supports the safety and quality of life.
Upcoming Schools and Events
All events are open to CBHCC members.
All events are open to CBHCC members.
2025
MAY
8
CBHCC A2L Refrigerant Updates
Join CBHCC and Ryan Hoger from Temperature Equipment Corporation for a webinar on A2L Refrigerant (R-454B & R-32) changes. We will cover the A2L transition for small and large split systems, packaged RTUs, ductless, and VRF. Specific topics covered include transition timeline, flammability, refrigerant properties, equipment differences compared to R-410A, technician tools, and dissipation system wiring and troubleshooting.