
The Foundation
Aug 1, 2025

FDNY APPROVED
A2L Refrigerant Course
The A2L Refrigerant and Compliance mandatory 7-hour course will be offered by the Henry Chang Foundation. The classes will be on Zoom starting in August. We will give the class monthly. All holders of the FDNY refrigeration license must take this course before they can renew their license. This course is free.
The 7-hour course will include:
· A2L refrigerants and compliance
· Review of FDNY online renewal guide
· Test time
Candidates are required to pass a graduation test with a minimum score of 70%. Candidates are allowed two attempts to pass.
Upon completion of the course, candidates will receive a letter on official school letterhead or a certificate of completion.
If you are interested in signing up for the next class































