Contact Us

By Phone: (+1) 703-524-8800
By Fax: (+1) 703-562-1942
By Mail:
Air-Conditioning, Heating, and Refrigeration Institute (AHRI)
2311 Wilson Blvd, Suite 400
Arlington, VA 22201
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Canadian office:
2350 Matheson Blvd. East, Suite 101
Mississauga, ON  L4W 5G9

Chinese office:
888 West Changjiang Road, Hefei, Anhui Province, China, 230031
Phone Number: +86 138 1043 2200
Email Address:

By Email :
General questions
AHRI certification
AHRI Certification Directory questions
AHRI membership and login credentials
AHRI standards
EPA technician certification card
Data Protection

AHRI's headquarters are located across the street from the Court House Metro stop on the orange line. For more information on the Washington, D.C. metro system, please visit