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ASHRAE: American Society of Heating, Refrigerating, and Air Conditioning Engineers

ASHRAE, the American Society of Heating, Refrigerating and Air Conditioning Engineers, is a nonprofit organization that develops and publishes standards for the heating, ventilating and air conditioning industry. Headquartered in Atlanta, United States, ASHRAE is an international society with over 50,000 members. ASHRAE standards are spread by its heavy involvement in Washington D.C. and with its wide assortment of international events. ASHRAE also serves as the administrator for the U.S. TAGs (United States Technical Advisory Group) to ISO/TCs 86, 142, 180 and 205 (International Organization for Standardization/Technical Committee) and to many of the subcommittees for ISO/TCs 86 and 180. Standards from ASHRAE are available both individually, directly through the ANSI webstore, and as part of a Standards Subscription. If you or your organization are interested in easy, managed, online access to standards that can be shared, a Standards Subscription may be what you need - please contact us at: StandardsSubscriptions@ansi.org or 1-212-642-4980 or Request Proposal Price.

Below are ASHRAE's best-selling standards. To find additional standards, please use the search bar above.

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ANSI/ASHRAE Standard 110-2016

Methods of Testing Performance of Laboratory Fume Hoods

This method of testing applies to conventional, bypass, auxiliary air, and variable-air-volume (VAV) laboratory fume hoods. This standard is intended primarily for laboratory and factory testing but may be used as an aid in evaluating installed performance as well.


ANSI/ASHRAE Standard 62.1-2016

Ventilation for Acceptable Indoor Air Quality

This standard applies to spaces intended for human occupancy within buildings except those within dwelling units in residential occupancies in which occupants are nontransient. Includes ANSI/ASHRAE addenda listed in Appendix K


ANSI/ASHRAE/ASHE Standard 170-2017

Ventilation of Health Care Facilities

The requirements in this standard apply to patient care areas and related support areas within health care facilities, including hospitals, nursing facilities, and outpatient facilities.


ANSI/ASHRAE Standard 72-2014

Method of Testing Open and Closed Commercial Refrigerators and Freezers

This standard applies to the following types of open and closed commercial refrigerators and freezers used for displaying or holding products for which refrigeration is either required or desired: a. Horizontal, semi vertical, and vertical open and closed refrigerators and freezers b. Both remote and self-contained open and closed refrigerators and freezers This standard does not apply to walk-in coolers or refrigerators and freezers where the refrigerated air is in communication with walk-in coolers.


ANSI/ASHRAE Standard 188-2015

Legionellosis: Risk Management for Building Water Systems

This standard provides minimum legionellosis risk management requirements for the design, construction, commissioning, operation, maintenance, repair, replacement, and expansion of new and existing buildings and their associated (potable and nonpotable) water systems and components.


ANSI/ASHRAE Standard 37-2009

Methods of Testing for Rating Electrically Driven Unitary Air-Conditioning and Heat Pump Equipment

Applies to electrically driven mechanical-compression unitary air conditioners and heat pumps consisting of one or more assemblies that include an indoor air coil (s), a compressor(s), and an outdoor coil(s). Where such equipment is provided in more than one assembly, the separated assemblies are designed to be used together. This standard does not include methods of testing the following: cooling coils for separate use; condensing units for separate use; room air conditioners; heat-operated unitary equipment; liquid chilling packages; multiple indoor air coils operating simultaneously in heating and cooling modes.


ANSI/ASHRAE Standard 62.2-2016

Ventilation and Acceptable Indoor Air Quality in Residential Buildings

This standard applies to spaces intended for human occupancy within buildings except those within dwelling units in residential occupancies in which occupants are nontransient. Includes ANSI/ASHRAE addenda listed in Appendix D


ANSI/ASHRAE Standard 199-2016

Method of Testing the Performance of Industrial Pulse Cleaned Dust Collectors

This method of test applies to bag, cartridge, or envelope industrial dust collectors that recondition the filter media by using a pulse of compressed air to discharge the dust cake from the filter media while the air cleaning device remains online.


ASHRAE 52.2-2017

Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

This standard describes a method of laboratory testing to measure the performance of general ventilation air-cleaning devices


ASHRAE Standard 15-2016/ASHRAE Standard 34-2016 package

Safety Standard for Refrigeration Systems and Designation and Classification of Refrigerants

Standard 34 describes a shorthand way of naming refrigerants and assigns safety classifications based on toxicity and flammability data, while Standard 15 establishes procedures for operating equipment and systems when using those refrigerants. ASHRAE offers the standards as a set.


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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