Foreign and domestic Original Equipment Manufacturers (OEMs) and Private Brand Marketers (PBMs) of products, which fall within the scope of one or more of the certification programs, are invited to join the AHRI Certification Program. AHRI offers 50 separate certification programs covering a wide range of residential and commercial heating, ventilating, air-conditioning, refrigeration and water heating products.

Please visit to learn more and begin the application process.

Not sure what the scope of each certification program is? Visit and click on the program of interest. Each program's homepage gives an overview of the program scope. For more details, download a copy of the program's product-specific operations manual.