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

Published Content

Additional documents produced by the PC may be available for direct download or for purchase through the ASHRAE Bookstore, as noted below.


Addenda and Interpretations for ASHRAE Standards, including continuous maintenance standards, are available online in PDF format. SSPC55 is on continuous maintenance and is continuously updated through addenda which ASHRAE makes available free online.


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  • Interpretation 55-2013-1 – September 8, 2014 (Refers to requirements in ANSI/ASHRAE Standard 55-2013, Sections 1 and 2, relating to the purpose and scope of Standard 55-2013.)

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