AHRI standards and guidelines are used throughout the world. They stimulate innovation and creation and are the stepping stones to improving product performance. Through the use of industry standards and voluntary participation in AHRI's certification programs, consumers can be assured manufacturers' performance claims are accurate and rated uniformly, enabling fair comparisons. AHRI provides access to its standards and guidelines, as well as information about how they are developed and advanced globally.

• AHRI Standard 570P (I-P), Performance Rating of CO2 Compressors
• AHRI Standard 571P (SI), Performance Rating of CO2 Compressors
• AHRI Standard 920P, Performance Rating of DX-Dedicated Outdoor Air Systems
• AHRI Standard 930P, Performance Rating of Wrap-around Heat Exchangers
• AHRI Standard 1150P, Declaration and Verification of Noise Emission Values of HVAC Machinery and Equipment Using Published Sound Rating Values
• AHRI Standard 1210P, Performance Rating of Variable Frequency Drives
• AHRI Standard 1220P, Performance Rating of One-to-One Air-Conditioning and Heat Pump Equipment
• AHRI Standard 1240P, Performance Rating of Chilled Beams
• AHRI Standard 1260P, Performance Rating of Flue Gas Combustion Analyzers
• AHRI Standard 1280P, Sound Performance Rating of Water Cooled Refrigerating and Air-Conditioning Equipment
• AHRI Standard 1290P, Performance Rating of Zoning Products
• AHRI Standard 1300P (I-P) & 1301P (SI), Performance Rating of Commercial Heat Pump Water Heaters
• AHRI Standard 1310P, Wind Load Design of HVACR Equipment
• AHRI Standard 1330P, Radiant Output Rating Standard for Gas-Fired Infrared Heaters
• AHRI Standard 1340P, Performance Rating of Fluid Pumps