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ASHRAE Membership

ASHRAE membership is open to any person associated with heating, ventilation, air conditioning or refrigeration. ASHRAE is unique because its membership is drawn from a wide range of disciplines relating to the HVAC&R field. Approximately 51,000 individuals from more than 100 nations belong to the Society.

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ASHRAE members earn 15% off publications. Hundreds of titles are available including the complete collection of ASHRAE Standards including 90.1, 62.1 and 189.1.
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When you join ASHRAE, you are making an investment in yourself. When you become active in the Society by giving your time and sharing your knowledge, you get even more out of that investment.

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Each month, all over the world, ASHRAE chapters convene for an informational program featuring a speaker or topic that is key to professionals in the industry. Meet with your peers and share ideas.
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ASHRAE Standards – Current Refrigeration-Related Standards and Guidelines

ASHRAE Standards & Guidelines

There are 120 Standards and 22 Guidelines published by ASHRAE. These are available for purchase in the ASHRAE online bookstore. Of these, 29 Standards and 2 Guidelines have refrigeration related cognizant (or co-cognizant) committees:

  • Standard 15 - Safety Standard for Refrigeration Systems (TC 10.1)
  • Standard 20 - Methods of Testing for Rating Remote Mechanical-Draft Air-Cooled Refrigerant Condensers (TC 8.4)
  • Standard 22 - Methods of Testing for Rating Water-Cooled Refrigerant Condensers (TC 8.5)
  • Standard 23.1 - Methods of Testing for Performance Rating Positive Displacement Refrigerant Compressors and Condensing Units That Operate at Subcritical Temperatures of the Refrigerant (TC 8.1)
  • Standard 24 - Methods of Testing for Rating Liquid Coolers  (TC 8.5)
  • Standard 25 - Methods of Testing Forced Convection and Natural Convection Air Coolers for Refrigeration  (TC 8.4)
  • Standard 26 - Mechanical Refrigeration and Air Conditioning Installations Aboard Ship  (TC 10.6)
  • Standard 30 - Methods of Testing Liquid Chilling Packages  (TC 8.2, 8.5 Co-C)
  • Standard 33 - Methods of Testing Forced Circulation Air Cooling and Air Heating Coils  (TC 8.4)
  • Standard 34 - Designation and Safety Classification of Refrigerants (TC 3.1)
  • Standard 35 - Method of Testing Desiccants for Refrigerant Drying (TC 3.3)
  • Standard 40 -Methods of Testing for Rating Heat Operated Unitary Air-Conditioning and Heat-Pump Equipment (TC 8.3)
  • Standard 41.1 - Standard Method for Temperature Measurement  (TC 8.1 Co-C)
  • Standard 41.2 - Standard Methods for Laboratory Air-Flow Measurement  (TC 8.1 Co-C)
  • Standard 41.3 - Standard Methods for Pressure Measurement  (TC 8.1 Co-C)
  • Standard 41.4 - Method for Measurement of Proportion of Lubricant in Liquid Refrigerant (TC 8.1 Co-C)
  • Standard 41.6 - Standard Method for Measurement of Moist Air Properties  (TC 8.1 Co-C)
  • Standard 41.7 -  Method of Test for Measurement of Flow of Gas  (TC 8.1 Co-C)
  • Standard 41.8 - Standard Methods of Measurement of Flow of Liquids in Pipes Using Orifice Flowmeters (TC 8.1 Co-C)
  • Standard 41.9 - Calorimeter Test Methods for Mass Flow Measurements of Volatile Refrigerants  (TC 8.1 Co-C)
  • Standard 41.10 - Standard Methods for Volatile Refrigerant Mass Flow Measurement Using Flowmeters (TC 8.1 Co-C)
  • Standard 41.11 - Standard Methods for Power Measurement (TC 8.1 Co-C)
  • Standard 63.1 - Method of Testing Liquid-Line Refrigerant Driers  (TC 3.3)
  • Standard 63.2 - Method of Testing Liquid-Line Filter-Drier Filtration Capability (TC 3.3)
  • Standard 78 - Method of Testing Flow Capacity of Suction Line Filters and Filter-Driers  (TC 3.3)
  • Standard 97 - Sealed Glass Tube Method to Test the Chemical Stability of Materials for Use Within Refrigerant Systems  (TC 3.2)
  • Standard 147 - Reducing the Release of Halogenated Refrigerants from Refrigerating and Air-Conditioning Equipment and Systems (TC 3.8)
  • Standard 173 - Method of Test to Determine the Performance of Halocarbon Refrigerant Leak Detectors” to the list of standards.
  • Standard 182 - Method of Testing Absorption Water-Chilling and Water-Heating Package (TC 8.3)
  • Guideline 06 - Refrigerant Information Recommended for Product Development and Standards (TC 3.1)
  • Guideline 22 - Instrumentation for Monitoring Central Chilled Water Plant Efficiency (TC 8.2 Co-C)           


There are a number of new Standards and Guidelines currently in development (designated with a P for project) by ASHRAE. Of these, the following have refrigeration related cognizant (or co-cognizant) committees:

  • Standard 23.2P - Method of Test for Rating Positive Displacement Compressors that Operate at Supercritical Temperatures of the Refrigerants (TC 8.1)
  • Standard 175P - Metal Pressure Vessel Method to Test Materials Used in Refrigeration Systems (TC 3.2)
  • Standard 177P - Method of Test for Measuring Fractionated Compositions of Refrigerant Blends  (TC 3.1)
  • Standard 179P - Methods of Test for Life Testing Positive Displacement Refrigerant Compressors (TC 8.1)
  • Standard 181P -Methods of Testing Liquid-to-Liquid Heat Exchangers for Heating, Air-Conditioning, and Refrigeration Applications (TC 8.5)
  • Standard 184P -  Method of Test for Field Test of Liquid-Chilling Packages (TC 8.2)
  • Standard 196P - Method of Test for Measuring Refrigerant Leak Rates (TC 3.8)
  • Standard 210P - Method of Testing for Rating Commercial Walk-in Refrigerators and Freezers (TC 10.1)