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ASHRAE membership is open to any person associated with heating, ventilation, air conditioning or refrigeration. ASHRAE is unique because its membership is drawn from a wide range of disciplines relating to the HVAC&R field. Over 56,000 individuals from more than 100 nations belong to the Society.

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Standards, Research & Technology

Addenda to Standard 90.2-1993

NOTE: All documents linked from this page are in PDF PDF-format.

(These descriptions may not be complete and are provided for information only.)

Addenda a, b, and c (a: Updated the references in Section 10 and the metal stud correction factors in Table 5-1; b: Section, Fenestration Load Change: Change to the fenestration trade-off equation; c: Multiple sections: Clarifies and enhances certain provisions related to the thermal envelope criteria, heat traps, and heating and air-conditioning equipment efficiencies, and revises certain requirements related to the calculation of thermal properties of building envelope components.)

Addendum l (Sections 1 and 2: Changes the title, purpose and scope of the standard to include alterations and additions.)