AHRI Manuals & User Guides
The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) provides globally recognized performance standards, guidelines, and certifications for HVACR equipment.
About AHRI manuals on Manuals.plus
About AHRI
The Air-Conditioning, Heating, and Refrigeration Institute (AHRI), Inc., is the primary trade association representing manufacturers of HVACR (heating, ventilation, air conditioning, and commercial refrigeration) and water heating equipment around the globe. AHRI oversees rigorous certification programs and develops foundational technical standards and guidelines that are heavily relied upon by regulators, engineers, installers, and consumers.
AHRI's broad library of publications covers crucial industry regulations and protocols, including environmental product declarations, machinery sound measurement, flammable refrigerant handling, and comprehensive HVAC system safety procedures. Access to AHRI-certified guidelines, operating procedures, and program instruction manuals helps technicians, contractors, and facility owners ensure that climate management systems meet stringent performance, safety, and efficiency benchmarks.
AHRI manuals
Latest manuals from manuals+ curated for this brand.
AHRI 575-2025 Method of Measuring Machinery Sound Within an Equipment Space Instruction Manual
AHRI M-2020 Automatic Commercial Ice-Makers and Ice Storage Bins User Guide
AHRI R-410A Ton Inverter Split System Air Conditioner Instructions
AHRI HVAC Systems Explained Instructions
AHRI Guideline X Induced Draft Furnace Heat Instruction Manual
AHRI Refrigerant Recovery or Recycling Equipment Certification Program Owner’s Manual
AHRI 207821948 Hyper Heat Multi System User Manual
AHRI Mechanical Balance of Impellers for Fans Instructions
AHRI AL30LT ALLIANCE LT Indirect Water Heater Instructions
AHRI Standard 551/591 (SI) Stand-alone Appendix H-0B/1B-2026: IPLV Calculations for High Ambient Climate Zones
ANSI/AHRI Standard 920-2026 (SI/I-P): Performance Rating of Direct Expansion-dedicated Outdoor Air System Units
AHRI Certified EPD Program: General Program Instructions
AHRI Standard 575-2025: Method for Measuring Machinery Sound in Equipment Spaces
AHRI Standard 400 (I-P) - 2015: Performance Rating of Liquid to Liquid Heat Exchangers
AHRI Guideline M-2020 (R2025): Unique Fittings and Service Ports for Flammable Refrigerant Use
AHRI support FAQ
Common questions about manuals, registration, and support for this brand.
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What is AHRI?
AHRI stands for the Air-Conditioning, Heating, and Refrigeration Institute. It is a major trade association representing global manufacturers of HVACR and water heating equipment, known for establishing core industry standards and certification programs.
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Where can I find AHRI standards and technical guidelines?
Official AHRI guidelines, program instructions, and standard frameworks can be downloaded from their official resource pages. We also provide a directory of frequently referenced AHRI manuals and installation procedures on this page.
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What does an AHRI Certification mean for my HVAC equipment?
An AHRI Certification signifies that a product or system's efficiency and performance ratings have been independently tested and verified by a third-party laboratory, ensuring that the system delivers the cooling or heating capacity promised by the manufacturer.
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How do I contact AHRI?
You can reach the AHRI headquarters by phone at +1-703-524-8800 or by visiting the contact page on their official website (ahrinet.org).