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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/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 188-2018

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 55-2017

Thermal Environmental Conditions for Human Occupancy

The environmental factors addressed in this standard are temperature, thermal radiation, humidity, and air speed; the personal factors are those of activity and clothing.


ANSI/ASHRAE 62.1-2019

Ventilation for Acceptable Indoor Air Quality

Specifies minimum ventilation rates and other measures intended to provide indoor air quality (IAQ) that is acceptable to human occupants and that minimizes adverse health effects. Intended for regulatory application to new buildings, additions to existing buildings, and those changes to existing buildings that are identified in the body of the standard. Intended to be used to guide the improvement of IAQ in existing buildings. Applies to spaces intended for human occupancy within buildings except those within dwelling units in residential occupancies in which occupants are nontransient. Defines requirements for ventilation and air-cleaning-system design, installation, commissioning, and operation and maintenance. Dual units of measurement.



ANSI/ASHRAE/ACCA Standard 180-2018

Standard Practice for Inspection and Maintenance of Commercial Building HVAC Systems

This standard provides minimum requirements for the HVAC system inspection and maintenance practice in new and existing buildings. Where specifically noted in this standard, different requirements apply.


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 Guideline 14-2014

Measurement of Energy, Demand, and Water Savings

This document provides procedures for using measured preretrofit and postretrofit billing data (e.g., kWh, kW, Mcf, kgal)for the calculation of energy, demand, and water savings. The procedures (a) include the determination of energy, demand, and water savings from individual facilities or meters; (b). apply to all forms of energy, including electricity, gas, oil, district heating/cooling, renewables, and water and wastewater; and (c.) encompass all types of facilities: residential, commercial, institutional, and industrial.


ANSI/ASHRAE 62.1-2019

Ventilation for Acceptable Indoor Air Quality

Specifies minimum ventilation rates and other measures intended to provide indoor air quality (IAQ) that is acceptable to human occupants and that minimizes adverse health effects. Intended for regulatory application to new buildings, additions to existing buildings, and those changes to existing buildings that are identified in the body of the standard. Intended to be used to guide the improvement of IAQ in existing buildings. Applies to spaces intended for human occupancy within buildings except those within dwelling units in residential occupancies in which occupants are nontransient. Defines requirements for ventilation and air-cleaning-system design, installation, commissioning, and operation and maintenance. Dual units of measurement.


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