ASHRAE 90.4 PDF: The Ultimate Guide to the Data Center Energy Standard
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Cooling is for IT hardware, not human occupants. ASHRAE 90
Data centers run 24/7/365, unlike typical office buildings. ashrae 90.4 pdf
The performance path relies on comprehensive building energy modeling. Designers use specialized software to simulate a full year of data center operations. Compliance is granted if the modeled annual energy use is less than or equal to a baseline model built exactly to the prescriptive code limits. How to Access the ASHRAE 90.4 PDF