Contact Us

By Phone: (+1) 703-524-8800
By Fax: (+1) 703-562-1942
By Mail:
Air-Conditioning, Heating, and Refrigeration Institute (AHRI)
2111 Wilson Blvd, Suite 500
Arlington, VA 22201
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2800 Skymark Avenue, Building 1, Suite 201
Mississauga, Ontario  L4W 5A6

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

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