Standard 90.4P, Energy Standard for Data Centers and Telecommunications Buildings, is being developed in response to requests to recognize the energy performance profiles unique to data centers. Previously, data centers were included in in ANSI/ASHRAE/IES Standard 90.1-2013, Energy Standard for Buildings Except Low-Rise Residential Buildings. Standard 90.4P will feature a performance based approach that is more flexible and accommodating of innovative changes which rapidly occur in data center design, construction, and operations. It is open for advisory public review from Nov. 15-Dec. 30, 2013.
(https://www.ashrae.org/news/2013/ashrae-seeking-comments-on-proposed-data-center-energy-standard-)
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