ANSI/ASHRAE Standard 55-2023
Thermal Environmental Conditions for Human Occupancy

Std & Spec
Standard No.
ANSI/ASHRAE Standard 55-2023
Published By
American National Standards Institute (ANSI)
Lastest
ANSI/ASHRAE Standard 55-2023
Scope
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.

ANSI/ASHRAE Standard 55-2023 history




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