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ANSI/ASHRAE 90.4-2025
Energy Standard for Data Centers
Establishes minimum energy efficiency requirements for the design, construction, and planned operation and maintenance of data centers, and to balance those requirements with related factors affecting the environment. Factors to be evaluated include the following: a) Nonrenewable energy consumption, b) Renewable energy consumption, c) Water consumption and d) Greenhouse gas emissions. Dual units of measurement.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]