IMPORTANT NOTICE ABOUT STANDARDS AND GUIDELINES

To ensure that you have all of the approved addenda, errata, and interpretations for ASHRAE standards and guidelines, visit www.ashrae.org/standards to download them free of charge. Addenda, errata, and interpretations for ASHRAE standards and guidelines will no longer be distributed with printed copies of the standards and guidelines. ASHRAE provides these addenda, errata, and interpretations only in electronic form in order to promote more sustainable use of resources.

ASHRAE has two collections of standards and guidelines available on CD that include one year of unlimited access to download monthly updates, including addenda, errata, and interpretations. ASHRAE Standards and Guidelines contains the complete library, and Essential Standards contains ASHRAE’s 12 most referenced standards and guidelines. For more information, see the links to these products below.

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Standards Development Process

ASHRAE develops standards for both its members and others professionally concerned with refrigeration processes and the design and maintenance of indoor environments.
Learn about the standards development process here