Applied Industry Sector

AHRI's membership is divided into four broad groups called Industry Sectors, each overseen by a Leadership Council. The Sector scope, membership, and related standards and certification programs are listed below.

Products

    Central system finned cooling and heating coils, air conditioning type, not a part of a matched split system as covered by the unitary small equipment scope, and intended for field installation, and for central station air conditioning units used with but not including means for air circulation.

    • Standard steam.
    • Steam distributing tube type.
    • Hot water heating.
    • Standard water cooling and/or heating.
    • Cleanable tube water.
    • Volatile refrigerant cooling.
    • Liquids as specified.

    Wetted surface dehumidifiers, consisting of a suitable enclosure containing cooling coils, means for liquid spray over the cooling coils, and tank, but without means for air circulation provided as an integral part of the unit. The unit may include a recirculating water pump, eliminator plates, and inlet deflectors.

    A factory-made and prefabricated assembly (not necessarily shipped as one package) of one (1) or more compressors, condensers, and evaporators, with interconnections and accessories including controls, designed for the purpose of cooling water. It is a machine specifically designed to make use of a vapor compression refrigeration cycle to transfer heat from a cold water fluid circulating system to the air. This product type includes heat pump and heat recovery water heating packages, condenserless and evaporatively cooled chillers, as well as units that use fluids other than fresh water.

    Energy recovery components or air-to-air heat exchangers used to recover energy from exhaust air for the purpose of pre-conditioning outdoor air, prior to supplying the conditioned air to the space, either directly or as part of an airconditioning system (to include air heating, air cooling, air circulating, air cleaning, humidifying and dehumidifying). Heat Exchangers joined by a circulated heat transfer medium (run-around loop) are excluded from this product type. A run-around loop employs liquid-containing coils placed in each of two or more airstreams, wherein the coils are connected to a closed loop.

    Energy recovery packaged ventilation units that employ air-to-air energy recovery ventilation components to recover energy from exhaust air for the purpose of pre-conditioning outdoor air, prior to supplying the conditioned air to the space, either directly or as part of an air conditioning (to include air heating, air cooling, air circulating, air cleaning, humidifying and dehumidifying) system.

    Factory-made encased assemblies consisting of a fan or fans in parallel which may also include other necessary equipment to perform one or more of the functions of circulating, cleaning, heating, cooling, humidifying, dehumidifying, and mixing of air and that have a maximum design external static pressure greater than 1.0 in H2O. It does not include units that have a source of mechanical cooling or that have direct expansion coils which are incorporated by the manufacturer in a matched split system air conditioner or as otherwise defined in another AHRI product scope .

    Factory-made encased assemblies consisting of a fan or fans in parallel which may also include other necessary equipment to perform one or more of the functions of circulating, cleaning, heating, cooling, humidifying, dehumidifying, and mixing of air and that have a maximum design external static pressure greater than 1.0 in H2O. It does not include units that have a source of mechanical cooling or that have direct expansion coils which are incorporated by the manufacturer in a matched split system air conditioner or as otherwise defined in another AHRI product scope .

    A datacom cooling product is designed for the primary purpose of providing year-round cooling for facilities which are predominantly populated with servers, computers, networking equipment, electronic equipment, storage products and peripherals which may be mission critical.

    Can be one of several configurations that include one or more of the following attributes:

    • The primary efficiency rating is SCOP or iNSenCOP not SEER or EER.
    • SEER and EER are not applicable to these products.
    • Optimized for net sensible cooling with a sensible heat ratio typically > 0.90, and rating accordingly in kW of cooling.
    • Application and rating points differ from comfort cooling applications.
    • Some equipment contains optional humidification systems installed within the cooling unit and may also contain heat in order to offset over-cooling that may be caused by dehumidification operation.
    • Equipment that is designed specifically for the application in a data center.

    Product configurations include:

    • Row based units that are either DX units including external condensers, cooling towers or dry cooler heat rejection, or chilled water-cooling units
    • Perimeter units that are either DX units including external condensers, cooling towers or dry cooler heat rejection, or chilled water-cooling units
    • Ceiling mounted units that are either DX units including external condensers, cooling towers or dry cooler heat rejection, or chilled water-cooling units
    • Any of the above configurations may include “free cooling” economizers that utilize air, water, glycol or a refrigerant to provide cooling with the compressors off
    • Specifically excluded are the products included in the scopes of other AHRI product type scopes, room air conditioners and heat pumps.
    • External units which are ducted to the data center, for example air handlers.

    Mechanical refrigeration systems designed with its primary purpose for removing moisture from the air with reheat recovered from the dehumidification process.

    Fan-powered air terminals which include a hydronic cooling coil and an airflow regulating primary air valve and in which the primary air valve is in series with the fan and all air flows through the fan. The primary air shall bypass the cooling coil. The cooling coil shall be designed and rated for sensible operation only. The unit may have supplemental heat. Excluded are all products specifically covered by the other AHRI product type scopes.

    Heat transfer devices used to exchange heat between two fluid streams that are single phase liquids:

    1. Brazed Plate-type Heat Exchangers
    2. Fusion Bonded Plate-Type Heat Exchangers

    Heat transfer devices used to exchange heat between two fluid streams that are single-phase liquids:

    1. Gasketed Plate-type Heat Exchangers
    2. Shell and Tube Heat Exchangers, Shell and U-Tube Heat Exchangers, and Shell and Coil Heat Exchangers
    3. Tube-in-Tube Heat Exchangers

    Factory-made encased assemblies consisting of a fan or fans in parallel which may also include other necessary equipment to perform one or more of the functions of circulating, cleaning, heating, cooling, humidifying, dehumidifying, and mixing of air and that generally have a maximum design external static pressure less than or equal to 1.0 in H2O. It does not include units that have a source of mechanical cooling or that have direct expansion coils which are incorporated by the manufacturer in a matched split system air conditioner or as otherwise defined in the product scope definition of other AHRI product types.

    A single package vertical air conditioner consists of a separate encased or un-encased combination of cooling and optional heating components, factory assembled as a single package, and intended for exterior mounting on, adjacent interior to, or through, an outside wall. The major components of the unit are arranged vertically, and may contain separate indoor grille(s), outdoor louvers, various ventilation options, indoor free air discharge, ductwork, wall plenum or a sleeve. Heating components may include electrical resistance, steam, hot water, gas, or no heat, but may not include reverse cycle refrigeration as a heating means. This equipment either alone or in combination with a heating plant, provides air-circulation, air-cleaning, cooling with controlled temperature and dehumidification, and may optionally include the function of heating and possible humidifying and ventilation.

    A packaged terminal heat pump consists of a separate, unencased refrigeration system installed in a cabinet of similar function and configuration to that of a packaged terminal air-conditioner. It utilizes reverse cycle refrigeration as its prime heat source and should have available other supplementary heating by hot water, steam, or electric resistance.

    Thermal storage equipment used for cooling may be charged and discharged with any of a variety of heat transfer fluids. The equipment may be fully factory assembled; assembled on site from factory supplied components; or field erected in accordance with pre-established design criteria.

    Factory-made unit ventilators for all applications and sizes. A unit ventilator is an institutional type assembly, equipped with ventilation and return air dampers capable of introducing ventilation air of at least 80 percent of rated standard air flow, while also providing the functions of circulating or heating, heating or cooling and filtering air. The source of humidity control, heating or cooling supplementary to that from ventilation air, may be remote of an integral part of the unit itself. This equipment is designed for free delivery of air into a room but may be applied with minimal duct work having a static resistance normally not exceeding 0.50 inches water column. This equipment is provided with air capacities of 3000 cfm or less. Excluded are individual assemblies such as a cooling or heating section for separate use, and the following equipment:

    1. Room air conditioners as defined in AHAM standard RAC-1.
    2. Room fan-coil and air induction units as defined in ARI standards 440 and 445.
    3. Packaged terminal air conditioners and heat pumps as defined in ARI standard 310/380.
    4. Central-station air handling units as defined in ARI standard 430.

    Ducted devices, used to deliver air into/or remove air from a space and which provide control of air volume, direction, temperature, and/or pressure. Specifically included are the following devices:

    • Diffusers
    • Constant or Variable Volume Air Terminals

    Excluded are all grilles and registers and those products specifically covered by other AHRI product type scopes.

    A factory-made and prefabricated assembly (not necessarily shipped as one package) of one (1) or more compressors, condensers, and evaporators, with interconnections and accessories including controls, designed for the purpose of cooling or heating water. It is a machine specifically designed to make use of a vapor compression refrigeration cycle to transfer heat from a cold water fluid circulating system to a warm water fluid circulating system. This product type includes heat pump and heat recovery water heating packages, condenserless, evaporatively cooled and absorption chillers, as well as units that use fluids other than fresh water.

    Components

      Mechanical Air Filter:
      A device that utilizes a filter media, which may or may not have a passive electrostatic charge, to mechanically remove airborne particulate, including particulate from biological sources, in residential and commercial (HVACR) systems.

      Electronic Air Filter:
      An electrically powered device that utilizes an active electrical or ionization field to impose a charge on the airborne particulate, including particulate from biological sources, that assists in removing the particulate from the air stream in residential and commercial (HVACR) systems.

      Ultraviolet Light Treatment:
      Factory made devices that create light in the Ultraviolet wavelength for use either as a germicidal light to affect microorganisms on illuminated surfaced or in the air stream or to cause a catalytic reaction to break down contaminants in the air circulating in the ductwork of residential and commercial environments.

      Air and combustion gas moving devices, consisting of impellers, motors, and associated components, produced for other manufacturers in the air conditioning, heating, and refrigeration industry.

      Chemical compounds that have significant application in conjunction with the manufacture, operation, or service of air conditioning and refrigeration equipment, and containers and equipment used to transport, store, or process these chemicals. Reclaim recovered refrigerants to the purity specifications outlined in the current version of AHRI Standard 700 (Specification for Fluorocarbon Refrigerants). The process can be used to reclaim customer-owned refrigerants or to reclaim used refrigerant that will subsequently be sold to third parties. Specifically excluded are refrigerants synthesized from virgin materials.

      Compressors and compressor units designed for use in HVACR equipment and building systems and not included in another product type scope, with the specific exclusion of:

      • Compressors and compressor units intended for use in:
        • Household refrigerators
        • Farm and home freezers
        • Automotive air conditioners
        • Room air conditioners
        • Household dehumidifiers

      Controllers and auxiliary control devices, which are primarily designed to aid in unattended operation, energy efficiency, electric utility demand reduction, cloud connectivity, fault detection and diagnosis, cybersecurity, or safety in the operation of components of comfort conditioning equipment, commercial, and industrial refrigeration equipment covered by the scopes of AHRI product types. Such devices are to be responsive to, but not limited to, one or more of the following conditions: time, temperature, pressure, humidity, fluid flow, air quality (this includes all air contaminants including leaked refrigerants), current, voltage, or power, and demand reduction or pricing signals.

      Specifically excluded are:

      • General purpose motor starters and circuit breakers
      • All low voltage thermostats
      • Component controllers and auxiliary controlling devices used in equipment not covered by AHRI product type scopes, e.g. automotive and recreational vehicles, domestic refrigerators, freezers, and room air conditioners.
      • Gas controls

      Includes manufacturers of solenoid valves; 2-, 3-, 4-way reversing valves; thermostatic, electronic and automatic expansion valves of all capacities; and temperature and pressure regulating valves that,function alone or in combination with other controls or sources and are designed primarily to automatically control refrigerant flow (liquids or gases) or the flow of fluids supporting the refrigeration cycle in refrigeration or air-conditioning systems.

      Also included are all manually operated valves used to control the flow of refrigerant or flow of fluids supporting the refrigeration cycle; ealed filter-driers having solid core desiccant, loose-fill desiccant, or a combination of the two; replaceable core filter-driers for use in liquid or vapor refrigerant lines; sealed or replaceable element suction filters; cores or elements for shells; receiver driers; strainers; and liquid or moisture-liquid indicators.

      These products alone or in combination are intended for use primarily in refrigeration or air conditioning systems for the purpose of detecting and/or removing system contaminants.

      Excluded are devices used with:

      • Automotive and recreational vehicle air conditioning
      • Domestic refrigerators/freezers, and individual room air conditioners not included in the scopes of AHRI air conditioning product types
      • Hydronic system flow control valves that are included with hydronics products

      Devices designed to add moisture to the air, including:

      1. Central humidifiers designed to add moisture to air circulated through ducts.
      2. Central system humidifiers, designed to add moisture directly into a room or duct system but dependent upon associated outside generating source such as:
        • Steam grid duct
        • Steam room humidifiers
        • Pneumatic atomizing
      3. Fixed humidifiers, designed to add moisture directly to the space where the humidifier is located, excluding portable.
      4. Self-contained humidifiers, designed to add moisture directly into a room or duct system independent of associated outside generating source such as:
        • Electrode steam generators
        • Electric evaporative
        • Centrifugal atomizing

      All low voltages, 690 volts ac and below, adjustable frequency motor controllers used in HVACR applications shall be included. Specifically excluded brushless DC motor controllers and external control automation.

      Members

        AAON, Inc.
        AboveAir Technologies, LLC
        Addison HVAC LLC
        Advanced Distributor Products
        Aerofin Division of Air & Liquid Systems Corporation
        A-Gas Americas
        Air Innovations
        Air System Components
        Airia Brands
        AIRotor, LLC
        AIRSYS Refrigeration Engineering Technology (Beijing) Co. Ltd.
        Airxchange, Inc.
        AKM Semiconductor, Inc.
        Aldes Canada
        Alfa Laval Inc.
        Allied Air Enterprises
        Ametek Dynamic Fluid Solutions
        Amtrol, Inc.
        API Heat Transfer
        APV North America Heat Transfer
        Arkema
        Armstrong Fluid Technology
        Armstrong International, Inc.
        Axima (China) Energy Technology Co., Ltd.
        Bacharach Inc.
        Baltimore Aircoil Company
        Bard Manufacturing Company, Inc.
        Beckett Air Inc.
        Bitzer U.S. Inc.
        Carel USA
        Carnes Company, Inc.
        Carrier Corporation
        Century Corporation
        Chongqing Midea General Refrigeration Equipment Co., Ltd.
        ClimaCool Corp
        Climaflex SA de CV
        ClimateCraft, Inc
        Coil Design LLC
        Coilmaster Corp.
        Condair Inc.
        CORE Energy Recovery Solutions
        CPI Fluid Engineering
        Daikin Industries
        Danfoss
        Data Aire, Inc.
        Danvita Thermal LLC
        Desert Aire Corp.
        Desiccant Rotors International Pvt. Ltd.
        Direct Coil Inc.
        Drake Refrigeration
        Dunham-Bush, Inc.
        ebm-papst Inc.
        Edgetech Air Systems Private Limited
        Elite Precision Components, Sdn. Bhd.
        Emerson Commercial and Residential Solutions
        Enconnex
        Fasco Industries, Inc.
        Field Controls, LLC
        FluoroFusion Specialty Chemicals, Inc.
        Friedrich Air Conditioning, LLC
        GE Appliances, a Haier Company
        General Filters, Inc.
        Goodman Manufacturing Company, LP
        Gree Electric Appliances, Inc. of Zhuhai
        Greenheck Fan Company
        GUANGDONG COLD MAGIC AIR-CONDITIONING EQUIPMENT CO.,LTD.
        Guangdong Shenling Environmental Systems Co., Ltd
        Heat Pipe Technology, Inc.
        Heat Transfer Products Group, LLC (HTPG)
        Heatcraft Worldwide Refrigeration LLC
        Heatex AB
        Honeywell Performance Materials & Technologies
        Hudson Technologies, Inc.
        INFICON, Inc.
        Infinitum Electric
        INNERGY TECH, Inc.
        International Environmental Corp.
        Johnson Controls, Inc.
        Kelvion Inc.,
        Kentuckiana Curb Company
        Kirloskar Chillers Private Limited
        Klingenburg GmbH
        Kuenling Machinery Refrigerating (Shanghai) Co.,
        Lennox International Inc.
        LG Electronics, Inc.
        Magic Aire
        Manchester Tank
        Marvair Division, AIRXCEL, Inc.
        Mestek, Inc.
        Metal Industries, Inc.
        Mexichem Fluor Inc.
        MicroMetl Corporation
        Mitsubishi Electric Cooling & Heating
        Modine Grenada LLC
        Modine Manufacturing Company
        Morrison Products, Inc.
        Mortex Products, Inc.
        Mueller Industries, Inc.
        Multiaqua, Inc.
        Multistack LLC
        Nailor Industries Inc.
        Nanjing TICA Climate Solutions Co.,Ltd
        National Comfort Products
        National Refrigerants, Inc.
        National Refrigeration Products
        Nidec Motor Corporation
        Nortek Air Solutions, LLC
        NovelAire Technologies
        OMEXELL(Ji Nan)Heat Transfer Technology Co.,Ltd.
        Oxygen8 Solutions, Inc.
        Parker-Hannifin Corporation
        Petra Engineering Industries Co.
        Phoenix Controls
        PremierOne Products, Inc.
        Price Industries
        Qingdao Haier Air-conditioning Electronic Co, Ltd.
        RAE Corporation
        RapRec Support Inc
        Refplus Inc.
        RenewAire LLC
        Research Products Corporation
        Resideo
        Revcor, Inc.
        Ritchie Engineering Co., Inc.
        Royal Service Air-Conditioning Co.
        RUSKIN Rooftop Systems, Inc.
        Samhwa Air Conditioning Engineering
        Samsung Electronics Co., LTD
        Sanhua Zhejiang Co.
        Schneider Electric USA, Inc.
        Schneider Electric IT Corporation
        Seibu Giken Co., Ltd.
        SEMCO LLC
        SG America, Inc.
        Shanghai Highly Electrical Appliances Co., LTD
        Shrieve Chemical Products, LLC
        SINRO Air-conditioning (FoGang) Co., Ltd
        S.K.M Air Conditioning, LLC
        Smardt Chiller Group Inc
        Smartech International Sdn Bhd.
        Sondex Inc.
        Swegon North America, Inc.
        SWEP International AB
        Swiss Rotors
        Systemair, Inc.
        Tecumseh Products Company
        Temspec Inc
        The Chemours Company FC, LLC
        The Whalen Company
        Thermal Solutions Products, LLC 
        Tiba Engineering Industries Co.
        Trane Technologies
        Tranter, Inc.
        United CoolAir Corp.
        Valent Air Management Systems
        Vertiv Corporation
        VTS America
        Warren Technology
        WaterFurnace International, Inc.
        Williams Furnace Co.
        Wolf Steel Ltd
        Worthington Cylinders
        Xylem, Inc., Appled Water Systems
        YORK Guangzhou Air Conditioning & Refrigeration Co., Ltd.
        Zamil Central Air Conditioners Co. LLC
        Zehnder Rittling
        Zhejiang Dunan Artificial Environment Co., Ltd.
        Zhongshan Saiver-Welaire Air Conditioning Equipment Co., LTD.
        ZIEHL–ABEGG, INC.

        Standards and Guidelines

          • AHRI 1060/1061 (I-P/SI 2018), Performance Rating of Air-to-Air Exchangers for Energy Recovery Ventilation Equipment
          • AHRI Guideline W (I-P/SI 2014), Selecting, Sizing, & Specifying Packaged Air-To-Air Energy Recovery Ventilation Equipment
          • AHRI 1060/1061 (I-P/SI 2018), Performance Rating of Air-to-Air Exchangers for Energy Recovery Ventilation Equipment
          • AHRI Guideline W (I-P/SI 2014), Selecting, Sizing, & Specifying Packaged Air-To-Air Energy Recovery Ventilation Equipment
          • AHRI Standard 1350/1351(IP/SI 2014), Mechanical Performance Rating of Central Station Air-handling Unit Casings (with Addendum 1)
          • AHRI 430/431 (I-P/SI 2014), Performance Rating of Central Station Air-handling Unit Supply Fans (with Addendum 1)
          • AHRI 430/431 (I-P/SI/2020) Performance Rating of Central Station Air-handling Unit Supply Fans.
          • AHRI 1240/1241 (IP/SI/2016), Performance Rating of Active Chilled Beams
          • AHRI 1360/1361 (IP/SI/2017), Performance Rating of Computer and Data Processing Room Air Conditioners
          • ANSI/AHRI 910/911 (I-P/SI 2014), Performance Rating of Indoor Pool Dehumidifiers
          • AHRI 920/921 (SI/I-P 2020), Performance Rating of Direct Expansion-dedicated Outdoor Air System Units
          • AHRI 410 (2001), Forced-Circulation Air-Cooling and Air-Heating Coils (with Addenda 1, 2 and 3)
          • AHRI 550/590 (I-P/2018), Performance Rating of Water-chilling and Heat Pump Water-heating Packages Using the Vapor Compression Cycle (with Errata)
          • AHRI 551/591 (SI/2018), Performance Rating of Water-chilling and Heat Pump Water-heating Packages Using the Vapor Compression Cycle (with Errata)
          • AHRI 560 (2000), Absorption Water Chilling and Water Heating Packages
          • ANSI/AHRI 1280 (2014), Sound Power Rating of Water-cooled Chillers
          • ANSI/AHRI 400/401 (I-P/2015), Performance Rating of Liquid to Liquid Heat Exchangers
          • AHRI 440 (I-P/2019), Performance Rating of Fan-coil Units
          • ANSI/AHRI 390 (2003), Performance Rating of Single Package Vertical Air-Conditioners and Heat Pumps
          • ANSI/AHRI 900/901 (I-P/SI 2014), Performance Rating of Thermal Storage Equipment Used for Cooling
          • AHRI Guideline T (I-P/SI)-2013, Specifying the Thermal Performance of Cool Storage Equipment
          • AHRI Standard 840/841 (IP/SI 2015), Performance Rating of Unit Ventilators
          • AHRI 885 (2008), Procedure for Estimating Occupied Space Sound Levels in the Application of Air Terminals and Air Outlets (with Addendum 1)
          • AHRI 880/881 (I-P/SI 2017), Performance Rating of Air Terminals
          • AHRI 1210/1211 (I-P/SI 2017), Performance Rating of Variable Frequency Drives