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ASHRAE Updates Standard on Thermal Environments
The 2017 edition of ANSI/ASHRAE Standard 55 incorporates seven published addenda to the 2013 edition and provides three compliance methods: a graphic method for simple situations, an analytical method for more general cases and a method that uses elevated air speed to provide comfort. Standard 55 specifies conditions for acceptable thermal environments and is intended for use in design, operation, and commissioning of buildings and other occupied spaces. The standard has a separate method for determining acceptable thermal conditions in occupant-controlled naturally conditioned spaces. Click here for more information.