AHRI Standards Technical Committees (STCs)

• SWG - AHRI 260 (I-P) 2017 and AHRI 261 (SI) 2017 Sound Rating of Ducted Air Moving and Conditioning Equipment
• SWG - Revision or Reaffirmation of ANSI/AHRI Standard 300-2015; SOUND RATING AND SOUND TRANMISSION LOSS OF PACKAGED TERMINAL EQUIPMENT

The Airside Standards Technical Committee is responsible for development and maintenance of standards and guidelines related to sound and vibration of equipment whose primary function is to move and/or condition air.

Out of scope for this STC are standards whose primary purpose is not sound and vibration performance, or that are common to both Airside and Water/Refrigeration.

The Air-cooling and Air-heating Coils (ACAH) Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Forced-circulation Air-cooling and Air-heating Coils.

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Chilled Beam, Unit Ventilator, Room Fan Coils, Heat Exchange, Air Handling, Air Filters, Dehumidifiers, Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

The Air Filter Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of Residential, Commercial and Industrial Air Filter Equipment.

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Chilled Beam, Unit Ventilator, Room Fan Coils, Heat Exchange, Air Handling, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

STC - Air Handling and Distribution

• SWG - 880/881
• SWG - 860/861

The Air Handling and Distribution Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to central station air handling unit supply fans and casings, variable air volume (VAV) terminal units, chilled beams, room fan coils, unit ventilators, and fan-powered chilled water terminals.

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drives (VFD), Humidifiers, Chilled Beams, Unit Ventilators, Room Fan Coils, Heat Exchange, Air Handling, Air Filters, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

The Automatic Commercial Ice-Makers Standards Technical Committee (STC) is responsible for the development and maintenance of AHRI standards and guidelines pertaining to the performance ratings of Automatic Commercial Ice Makers and Ice Storage Bins.

Current AHRI standards that cover these topics include:

• AHRI 810/811-Performance Rating of Automatic Commercial Ice-makers
• AHRI 820/821-Performance Rating of Ice Storage Bins

• SWG – Guideline E
• SWG – AHRI 560
• SWG – Liquid Chiller Global Regional Standards

The Chiller Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of Water-Chilling and Heat Pump Water-Heating Packages using the Vapor Compression Cycle, Absorption Water Chilling and Water Heating Packages, Fouling Factor Applications related to Air Conditioning and Refrigeration, and Non-condensable Gas Purge Equipment for use with Low Pressure Centrifugal Liquid Chillers.

Out of scope for this STC include Energy Recovery Ventilators (ERV), Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Chilled Beams, Unit Ventilators, Room Fan Coils, Heat Exchange, Air Handling, Air Filters, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

Jaime Yeh, jyeh@ahrinet.org

The Chilled Beams Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of Active Chilled Beams.

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Unit Ventilators, Room Fan Coils, Heat Exchange, Air Handling, Air Filters, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

The Commercial Refrigeration Standards Technical Committee (STC) is responsible for the development and maintenance of AHRI standards and guidelines pertaining to the performance ratings of Commercial Refrigerated Display Merchandisers and Storage Cabinets, Walk-in Coolers and Freezers including insulated envelop and systems.

Current AHRI standards that cover these topics include:

• AHRI 1200/1201 Performance Rating of Commercial Refrigerated Display Merchandisers and Storage Cabinets;
• AHRI 1320/1321 Performance Rating of Commercial Refrigerated Display Merchandisers and Storage Cabinets for Use with Secondary Refrigerants;
• AHRI 1250/1251 Performance Rating of Walk-in Coolers and Freezers.

The Commercial Unitary Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Commercial & Industrial Unitary Air-conditioning and Heat Pump Equipment including split systems, remote condensing units, and packaged equipment.

The following product types are out of scope for this STC: Unitary Small Equipment, Packaged Terminal AC/HP, Furnaces, Variable Refrigerant Systems (VRF), Geothermal and Water Source HP, Single Package Vertical Unit (SPVU), and Performance Rating of Zoning products.

• SWG - 540

The Compressor Standards Technical Committee (STC) is responsible for the development and maintenance of AHRI standards and guidelines pertaining to compressors and condensing unit rating and operating limit requirements for air-conditioning and refrigerating equipment using refrigerants as defined in ASHRAE 34.

Out of scope: Standards and guidelines that primarily focus on the rating and measurement of sound and vibration of compressors and condensing units.

The Datacom equipment (DCOM) Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of  Computer and Data Processing Room Air Conditioners.

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Chilled Beam, Unit Ventilator, Room Fan Coils, Heat Exchange, Air Handling, Air Filters, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), and Thermal Storage Equipment.

The Dehumidifier Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of Indoor Pool Dehumidifiers, DX-Dedicated Outdoor Air System Units and Wrap Around Heat Exchangers.

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Chilled Beam, Unit Ventilator, Room Fan Coils, Heat Exchange, Air Handling, Air Filters, Air Cooling and Air Heating Coils (ACAH), Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

• Electrical Standards STC

The Electrical Standards Technical Committee (STC) is responsible for the development and maintenance of AHRI standards and guidelines pertaining to electrical voltage rating and operating limit requirements for air-conditioning and refrigerating equipment.

• SWG – AHRI 1060 & 1061

The Energy Recovery Ventilator (ERV) Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of Air-to-Air Exchangers for Energy Recovery Ventilation Equipment, Calculating the Efficiency of Energy Recovery Ventilation and its Effects on Efficiency and Size of Building HVAC Systems, and Selecting, Sizing and Specifying Packaged Air-to-Air Energy Recovery Ventilation equipment.

Out of scope for this STC include Chillers, Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Chilled Beams, Unit Ventilators, Room Fan Coils, Heat Exchange, Air Handling, Air Filters, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

The Furnaces Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Induced Draft Furnace Heat Exchanger Inspection.

The following product types are out of scope for this STC: Unitary Small Equipment, Packaged Terminal AC/HP, Commercial or Industrial AC/HP, Variable Refrigerant Systems (VRF), Geothermal and Water Source HP, Single Package Vertical Unit (SPVU), and Performance Rating of Zoning products.

The Gas Analyzer Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to flue gas analyzer products.

Out of scope for this STC is any analyzer products not related to measurement/analysis of gas combustion products

• SWG – ISO 13256 -1 and -2

The Geothermal and Water Source Heat Pump Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Water-Source, Ground Water-Source, and Ground-Source Closed-Loop Heat Pumps equipment; Calculation of Integrated Energy Efficiency Ratio (IEER) and Simultaneous Heating and Cooling Efficiency (SCHE) for Water-Source Heat Pumps; Direct Geo exchange Heat Pumps; Water-to-Air Heat Pumps and Brine-to-Air Heat Pumps Seasonal Efficiency Ratings Calculations.

The following product types are out of scope for this STC: Unitary Small Equipment, Packaged Terminal AC/HP, Commercial or Industrial AC/HP, Furnaces, Variable Refrigerant Flow (VRF), Single Package Vertical Unit (SPVU), and Performance Rating of Zoning products.

The Heat Exchange Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of Liquid to Liquid Exchangers, Refrigerant Liquid Receivers and Desuperheater/Water Heaters, as well as Remote Type Refrigerant Cooled Liquid Coolers, .

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Chilled Beam, Unit Ventilator, Room Fan Coils, Air Handling, Air Filters, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

The Humidifier Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of Central System and Self Contained Humidifiers for Residential Applications, Commercial and Industrial Humidifiers and the Selection, Installation and Servicing of Residential Humidifiers.

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drive (VFD), Air Distribution, Chilled Beams, Unit Ventilators, Room Fan Coils, Heat Exchange, Air Handlers, Air Filters, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

The Hydronics Systems Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to boilers, indirect water heaters, and other hydronic system components.

Out of scope for this STC are water heaters and pool heaters not specifically part of a hydronic system.

The Industrial Refrigeration Standards Technical Committee (STC) is responsible for the development and maintenance of AHRI standards and guidelines pertaining to the performance ratings of refrigeration units used in industrial spaces.

Current AHRI standards that cover these topics include:

• AHRI 420/421 Performance Rating of Forced-circulation Free-delivery Unit Coolers for Refrigeration
• AHRI 450 Water-Cooled Refrigerant Condensers, Remote Type
• AHRI 460 Performance Rating of Remote Mechanical-Draft Air-Cooled Refrigerant Condensers
• AHRI 490/491 Remote Mechanical-Draft Evaporative Refrigerant Condensers

Excluded from the scope are refrigeration units used in spaces of 3000 square feet or less.

• SWG - 1330

The Infrared Heater Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to infrared heater products.

Out of scope for this STC is any product which does not use infrared technology to directly heat conditioned space.

STC –Flow and Contaminant Controls Product (FCCP)

The Line Driers and Filters Standards Technical Committee (STC) is responsible for the development and maintenance of AHRI standards and guidelines pertaining to performance and flow capacity rating of Liquid-line and Suction-line Filters and Driers. Current AHRI standards that cover these topics include:

• 710, 711 Performance Rating of Liquid-line Driers
• 715, 716 Performance Rating of Liquid-line Filters
• 730, 731 Flow Capacity Rating of Suction-line Filters & Suction-line Filter Driers

Out of scope for this STC is Air Filtration and Light Treatment products as defined by AHRI standards website.

The Packaged Terminal Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Packaged Terminal Air-Conditioners and Heat Pumps, and Single Package Vertical Units.

The following product types are out of scope for this STC: Unitary Small Equipment, Commercial or Industrial AC/HP, Furnaces, Variable Refrigerant Systems (VRF), Geothermal and Water Source HP, and Performance Rating of Zoning products.

The Power Drive Systems (PDS) Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of PDS, including but not limited to Variable Frequency Drives (VFD) for asynchronous electric motors.

This STC is concerned with PDS for heating, ventilating, air-conditioning or refrigeration (HVACR) equipment.

Power Drive Systems (PDS) is an adjustable-speed electric motor system which includes a semiconductor power converter with means for the control, protection, monitoring, and measurement of motors.

The Room Fan Coil Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of Room Fan Coils.

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Chilled Beam, Unit Ventilator, Heat Exchange, Air Handling, Air Filters, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

The Refrigerants/Refrigerant Recovery Standards Technical Committee (STC) is responsible for the development and maintenance of AHRI standards and guidelines pertaining to refrigerants as defined in ASHRAE 34, and related refrigerant recovery equipment.

Out of scope for this STC are refrigerants not defined in ASHRAE 34.

The Testing and Analysis STC is responsible for development and maintenance of standards and guidelines related to procedures for testing, analysis, calibration of instrumentation, and qualification of test facilities for sound and vibration.

This STC will also be responsible for topics not in scope of the other Sound & Vibration STCs. 

The Thermal Storage Equipment (TSE) Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of  Thermal Storage Equipment Used for Cooling and Specifying the Thermal Performance of Cool Storage Equipment.

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Chilled Beam, Unit Ventilator, Room Fan Coils, Heat Exchange, Air Handling, Air Filters, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), and Datacom equipment (DCOM).

The Transportation Refrigeration Standards Technical Committee (STC) is responsible for the development and maintenance of AHRI standards and guidelines pertaining to the performance ratings of Mechanical transport refrigeration Units.

Current AHRI standards that cover these topics include:

• AHRI 1110/1111-Performance Rating of Mechanical Transport Refrigeration Units

The Unitary Small Equipment (USE) Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Unitary Air-Conditioning and Air-source Heat Pump Equipment, Mini-Split (1:1) Air-Conditioning and Heat Pump Equipment, and Demand Response through Variable Capacity HVAC Systems in Residential and Small Commercial Applications.

The following product types are out of scope for this STC: Packaged Terminal AC/HP, Commercial or Industrial AC/HP, Furnaces, Variable Refrigerant Systems (VRF), Geothermal and Water Source HP, Single Package Vertical Unit (SPVU), and Performance Rating of Zoning products.

The Unit Ventilator Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Performance Rating of Unit Ventilators.

Out of scope for this STC include Chillers, Energy Recovery Ventilator (ERV), Variable Frequency Drives (VFD), Humidifiers, Air Distribution, Chilled Beam, Room Fan Coils, Heat Exchange, Air Handling, Air Filters, Dehumidifiers, Air Cooling and Air Heating Coils (ACAH), Thermal Storage Equipment (TSE) and Datacom equipment (DCOM).

The Variable Refrigerant Flow (VRF) Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Variable Refrigerant Flow (VRF) Multi-Split Air-conditioning and Heat Pump Equipment.

The following product types are out of scope for this STC: Unitary Small Equipment, Packaged Terminal AC/HP, Commercial or Industrial AC/HP, Furnaces, Geothermal and Water Source HP, Single Package Vertical Unit (SPVU), and Performance Rating of Zoning products.

• SWG - AHRI 275-2018, Application of Outdoor Unitary Equipment A-weighted Sound Power Ratings

• SWG - AHRI 270-2015 with Addendum 1, Sound Rating of Outdoor Unitary Equipment. & ANSI/AHRI
• SWG - ANSI/AHRI Standard 370-2015 with Addendum 1. Sound Performance Rating of Large Air-cooled Outdoor Refrigerating and Airconditioning Equipment

The Waterside and Refrigeration STC is responsible for development and maintenance of standards and guidelines related to sound and vibration of equipment whose primary function is to move, heat, or cool a liquid.

Out of scope for this STC are standards whose primary purpose is not sound and vibration performance, or that are common to both Airside and Water/Refrigeration.

The Water Heater Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to residential and commercial water heaters and pool heaters.

Out of scope for this STC are indirect water heaters which are part of a hydronic system.

The Zone Control Standards Technical Committee is responsible for the development and maintenance of AHRI standards and guidelines pertaining to Zoning Products.

The following product types are out of scope for this STC: Unitary Small Equipment, Packaged Terminal AC/HP, Commercial or Industrial AC/HP, Furnaces, Variable Refrigerant Flow (VRF), Single Package Vertical Unit (SPVU), and Geothermal and WSHP products.