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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: [email protected] 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.
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 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.
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ANSI/ASHRAE/ASHE 170-2021
Ventilation of Health Care Facilities
Defines ventilation system design requirements that provide environmental control in health care facilities. Applies to patient care areas, resident care areas, related support areas within health care facilities, new buildings, additions to existing buildings, and those alterations to existing buildings that are identified within this standard. Establishes design requirements for temperature and humidity, design requirements for odor control and asepsis, and design requirements for ventilation rates, including, but not limited to, outdoor air to serve health care facilities. Dual units of measurement.
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ANSI/ASHRAE Standard 55-2023
Thermal Environmental Conditions for Human Occupancy
Species the combinations of indoor thermal environmental factors and personal factors that will produce satisfactory thermal environmental conditions for a majority of the occupants within the space. The environmental factors addressed in this standard are temperature, thermal radiation, humidity, and air speed; the personal factors are those of activity and clothing. It is intended that all of the criteria in this standard be applied together, as comfort in the indoor environment is complex and responds to the interaction of all of the factors that are addressed herein. Specifies thermal environmental conditions acceptable for healthy adults at atmospheric pressure equivalent to altitudes up to 3000 m (10,000 ft) in indoor spaces designed for human occupancy for periods not less than 15 minutes. This standard does not address such nonthermal environmental factors as air quality, acoustics, illumination, or other physical, chemical, or biological space contaminants that may affect comfort or health. This standard shall not be used to override any safety, health, or critical process requirements. Dual units of measurement.
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ANSI/ASHRAE Standard 188-2021
Legionellosis: Risk Management for Building Water Systems
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. Applies to human-occupied commercial, institutional, multiunit residential, and industrial buildings. This standard does not include single-family residential buildings. Only where specifically noted in this standard shall certain building water systems or parts of building water systems be exempt. standard is intended for use by owners and managers of human-occupied buildings, excluding single-family residential buildings. This standard is also intended for those involved in the design, construction, installation, commissioning, operation, maintenance, and service of centralized building water systems and components. Dual units of measurement.
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$121.00
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ANSI/ASHRAE/IES 90.1-2022
Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings - I-P edition
Establishes the minimum energy efficiency requirements of buildings other than low-rise residential buildings, and sites for: a) design, construction, and a plan for operation and maintenance; and b) utilization of on-site renewable energy resources. Provides a) minimum energy-efficient requirements for the design and construction, and a plan for operation and maintenance of: 1. new buildings and their systems; 2. new portions of buildings and their systems; 3. new systems and equipment specifically identified in this standard that are part of a site; 4. new systems and equipment in existing buildings; 5. new equipment or building systems specifically identified in this standard that are part of process applications and b) criteria for determining compliance with these requirements. Provisions of this standard do not apply to a) single-family houses and related incidental structures, multifamily structures of three stories or fewer above grade, manufactured houses (mobile homes), and manufactured houses (modular) or b) buildings that use neither electricity nor fossil fuel. Available as separate publications in I-P and SI units of measurement.
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ASHRAE Guideline 0-2019
The Commissioning Process
Describes a Commissioning Process (Cx) capable of verifying that the facility and its systems meet the Owner’s Project Requirements (OPR). The procedures, methods, and documentation requirements in this guideline describe each phase of the project delivery and the associated Commissioning Processes from predesign through occupancy and operation, without regard to specific elements, assemblies, or systems. Dual units of measurement.
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ANSI/ASHRAE 185.1-2020
Method of Testing UV-C Lights for Use in Air-Handling Units or Air Ducts to Inactivate Airborne Microorganisms
Establishes a test method for evaluating the efficacy of UV-C lights for their ability to inactivate airborne microorganisms. The method of test measures the performance of UV-C lights to inactivate selected indicator microorganisms in the airstream. Defines procedures for generating the bioaerosols required for conducting the test. It also provides a method for counting the airborne bioaerosols upstream and downstream of the UV-C light in order to calculate inactivation efficiency for each microorganism. Establishes performance specifications for the equipment required to conduct the tests, defines methods of calculating and reporting results obtained from the test data, and establishes a reporting system to be applied to UV-C lights covered herein. Dual units of measurement.
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$86.00
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ANSI/ASHRAE 62.2-2022
Ventilation and Acceptable Indoor Air Quality in Residential Buildings
Defines the roles and minimum requirements for mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality (IAQ) in residential buildings. Applies to dwelling units in residential occupancies in which the occupants are nontransient. Considers chemical, physical, and biological contaminants that can affect air quality. Thermal comfort requirements are not included in this standard. Informative Note: See ANSI/ASHRAE Standard 55, Thermal Environmental Conditions for Human Occupancy, for thermal comfort requirements.
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$161.00
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ASHRAE Guideline 36-2024
High-Performance Sequences of Operation for HVAC Systems
Provides uniform sequences of operation for heating, ventilating, and air conditioning (HVAC) systems that are intended to maximize HVAC system energy efficiency and performance, provide control stability, and allow for real-time fault detection and diagnostics. Provides detailed sequences of operation for HVAC systems. Describes functional tests that, when performed, will confirm implementation of the sequences of operation. Dual units of measurement.
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$152.00
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