Doorway air curtains were approved June 2019 as alternatives to vestibules on most commercial building entries in the upcoming ASHRAE Standard 90.1-2019 “Energy Standard for Buildings Except Low Rise ...
ATLANTA — ASHRAE has released an expanded, revised version of a well-known energy standard. ANSI/ASHRAE/IES Standard 90.1-2019, “Energy Efficiency Standard for Buildings Except Low-Rise Residential ...
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