There is STRENGTH inNUMBERSÉ >7,000,000 residential and commercial products on the AHRI Directory of Certified Product Performance >330 member companies >40 certification programs >100 standards and technical guidelines >3,000 annual certification tests >1,100 licensees from 36 countries The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) is the trade association representing manufacturers of HVACR and water heating equipment across the globe. AHRI is the source for equipment performance standards, certification programs, information, and turnkey solutions that facilitate regulatory compliance and support energy efficiency. Learn more about AHRI online at ahrinet.org.http://www.ahrinet.org