ASHRAE Standing Standard Project Committee 55 (SSPC 55)
Thermal Environmental Conditions for Human Occupancy

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This project committee is responsible for maintaining ASHRAE Standard 55,
Thermal Environmental Conditions for Human Occupancy (ANSI Approved)

This standard specifies the combinations of indoor space environment and personal factors that will produce thermal environmental conditions acceptable to 80% or more of the occupants within a space. The environmental factors addressed are temperature, thermal radiation, humidity, and air speed; the personal factors are those of activity and clothing.

ANSI/ASHRAE Standard 55 is under continuous maintenance by SSPC 55 for which the Standards Committee has established a documented program for regular publication of addenda or revisions.

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    Revised Date:
    July 17, 2008

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