Tag: ASHRAE 90.4

Figure 6: A data center has many types of spaces, including those directly supporting the information technology equipment. These spaces are defined in ANSI/TIA Standard 942A and NFPA 70: National Electrical Code, Article 645. Courtesy: Bill Kosik, WSP

Codes and Standards

How to coordinate IECC, ASHRAE 90.1 and ASHRAE 90.4 for data centers

Figure 4: In addition to changing the compliance process in ASHRAE 90.4 from 2016 to 2022, the mechanical load component (MLC) values are more stringent across all climate zones. ASHRAE acknowledged that the MLC values in the 2016 edition needed to be lowered to ensure reasonable energy efficiency. Courtesy: Bill Kosik, WSP

ASHRAE 90.4 created to boost data center energy efficiency

Table 1: Timeline of important events in data center energy efficiency. Courtesy: Bill Kosik, WSP

How can ASHRAE TC 9.9 influence data center design?