ASHRAE Standard 90.4 sets performance-based energy efficiency requirements specifically for data center design, focusing on Mechanical Load Component (MLC) and Electrical Loss Component (ELC) metrics. The standard serves as a sister document to ASHRAE 90.1, tailored for high-density, mission-critical facilities. Official PDF versions of the 90.4 standard can be purchased or viewed via the ASHRAE Bookstore and Accuris . Standard 90.4-2022 - ASHRAE
: Defines the minimum energy efficiency for the design, construction, and operation of new data centers or major modifications to existing facilities. Renewable Energy ashrae 90.4 pdf
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By following the guidelines and requirements outlined in ASHRAE 90.4, data center designers and operators can create more energy-efficient, reliable, and sustainable facilities that support the growing demands of the digital economy. ASHRAE Standard 90
ASHRAE Standard 90.4 is the benchmark for energy efficiency in data centers, providing a flexible, performance-based alternative to the more general ASHRAE 90.1 Standard 90