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AHRI Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for AHRI products.

Tip: include the full model number printed on your AHRI label for the best match.

About AHRI manuals on Manuals.plus

Air-Conditioning, Heating and Refrigeration Institute, Inc. is the trade association representing manufacturers of HVACR and water heating equipment within the global industry. Their official website is AHRI.com.

A directory of user manuals and instructions for AHRI products can be found below. AHRI products are patented and trademarked under brands Air-Conditioning, Heating and Refrigeration Institute, Inc.

Contact Info:

Address: 2311 Wilson Blvd, Suite 400 Arlington, VA 22201 USA
Fax: (+1) 703-562-1942
Phone: (+1) 703-524-8800

AHRI manuals

Latest manuals from manuals+ curated for this brand.

AHRI 575-2025 Method of Measuring Machinery Sound Within an Equipment Space Instruction Manual

January 20, 2026

AHRI 575-2025 Method of Measuring Machinery Sound Within an Equipment Space Specifications Standard: AHRI Standard 575-2025 (SI/I-P) Method: Measuring Machinery Sound Within an Equipment Space ICS Code: 17.140.01 Product Usage…

AHRI M-2020 Automatic Commercial Ice-Makers and Ice Storage Bins User Guide

August 22, 2025

AHRI M-2020 Automatic Commercial Ice-Makers and Ice Storage Bins Specifications Product Name: AHRI Guideline M-2020 (R2025) Use: Unique Fittings and Service Ports for Flammable Refrigerant Use Scope: Applies to Service…

AHRI R-410A Ton Inverter Split System Air Conditioner Instructions

December 2, 2024

AHRI R-410A Ton Inverter Split System Air Conditioner Specifications Model: GXC24-36MSK4DH Ton Size: 2/3 Ton SEER: Up to 17 Rated Cooling Capacity: 24,000 BTU (2 Ton) / 36,000 BTU (3…

AHRI HVAC Systems Explained Instructions

September 15, 2024

AHRI HVAC Systems Explained Product Specifications Product Type: HVACR Equipment Industry Standards: ASME BPVC Section VIII Application: Air Conditioning and Refrigeration Systems Manufactured Pieces Annually: Over seven million Product Usage…

AHRI Guideline X Induced Draft Furnace Heat Instruction Manual

July 3, 2023

We make Life better® 2023 Guideline for Induced Draft Furnace Heat Exchanger Inspection Instruction Manual Guideline X Induced Draft Furnace Heat ©Copyright 2023, by Air-Conditioning, Heating, and Refrigeration Institute Registered…

AHRI Refrigerant Recovery or Recycling Equipment Certification Program Owner’s Manual

May 24, 2023

AHRI Refrigerant Recovery or Recycling Equipment Certification Program PREFACE The following manual outlines the procedures and policies of the Performance Certification Program for Refrigerant Recovery/Recycling Equipment (RRRE) Certification Program operated…

AHRI 207821948 Hyper Heat Multi System User Manual

March 24, 2023

AHRI 207821948 Hyper Heat Multi System Certificate of Product Ratings 207821948 AHRI Certified Reference Number : 207821948 Date : 06-27-2022 Model Status : Active AHRI Type : HRCU-A-CB-O (Mini-Split Heat…

AHRI Mechanical Balance of Impellers for Fans Instructions

December 10, 2022

AHRI Mechanical Balance of Impellers for Fans Instructions MECHANICAL BALANCE OF IMPELLERS FOR FANS Purpose Purpose. The purpose of this document is to provide fundamental information and to guide…

AHRI AL30LT ALLIANCE LT Indirect Water Heater Instructions

November 29, 2022

Installation, Operating and Service Instructions for ALLIANCE LT™ Indirect Water Heater Models: AL30LT, AL55LT, AL80LT AL80CLT, AL119CLT Residential & Commercial Instructions AL30LT ALLIANCE LT Indirect Water Heater TO THE INSTALLER: Affix…

AHRI 154 Series Commercial Gas Water Heaters User Manual

February 19, 2021

AHRI Standard 575-2025: Method for Measuring Machinery Sound in Equipment Spaces

standard

This standard from AHRI (Air-Conditioning, Heating, and Refrigeration Institute) provides a uniform method for measuring and recording machinery sound levels within mechanical equipment spaces, detailing procedures, instruments, and calculations for…

AHRI Standard 400 (I-P) - 2015: Performance Rating of Liquid to Liquid Heat Exchangers

Standard

This standard, AHRI Standard 400 (I-P) - 2015, establishes definitions, test requirements, rating requirements, minimum data requirements for published ratings, marking and nameplate data, and conformance conditions for Liquid to…

AHRI Guideline M-2020 (R2025): Unique Fittings and Service Ports for Flammable Refrigerant Use

guideline

This guideline establishes recommendations of good practice for the design and application of unique fittings for refrigerant handling containers and service ports for air-conditioning and commercial refrigeration equipment, specifically for…