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DOE/EE RIN: 1904-AE45 Publication ID: Spring 2022 
Title: Test Procedures for Computer Room Air Conditioners 

Consistent with the requirements under the Energy Policy and Conservation Act (EPCA), as amended, the U.S. Department of Energy (DOE) is examining whether to amend the current Federal test procedure for computer room air conditioners (CRACs) found at 10 CFR 431.96. For covered equipment addressed in the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Standard 90.1, the DOE test procedure must be based upon the generally accepted industry testing procedure referenced in that industry consensus standard (42 U.S.C. 6314(a)(4)(A)). The statute further requires that each time the referenced industry test procedure is updated, DOE must amend the Federal test procedure to be consistent with the amended industry test procedure, unless there is clear and convincing evidence that the update would not be representative of an average use cycle or would be unduly burdensome to conduct (42 U.S.C. 6314(a)(4)(B)). Independent of that test procedure review obligation, EPCA also includes a 7-year-lookback review provision for covered commercial and industrial equipment that requires DOE to conduct an evaluation of each class of covered equipment to determine whether amended test procedures would more accurately or fully comply with the requirements that the Federal test procedure be representative of an average use cycle and not be unduly burdensome to conduct (42 U.S.C. 6314(a)(1)). In this test procedure rulemaking for CRACs, DOE will either: (1) propose and adopt amended test procedures for this equipment; or (2) issue a determination that no amendments to the current test procedures are required. Once completed, this rulemaking will fulfill DOE’s statutory obligation to either propose amended test procedures for this equipment or determine that the existing test procedures do not need to be amended.

Agency: Department of Energy(DOE)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 10 CFR 431   
Legal Authority: 42 U.S.C. 6314(a)(4)(B)    42 U.S.C. 6314(a)(1)(A)   
Legal Deadline:
Action Source Description Date
Other  Statutory  Subject to ASHRAE trigger for certain equipment under 42 U.S.C. 6314(a)(4)(B)   
Other  Statutory  Subject to 7-year-look-back requirement for certain equipment under 42 U.S.C. 6314(a)(1)   
Action Date FR Cite
Request for Information (RFI)  07/25/2017  82 FR 34427   
RFI Comment Period End  08/24/2017 
NPRM and Request for Comment  02/07/2022  87 FR 6948   
NPRM Comment Period End  04/08/2022 
Final Action  12/00/2022 
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: Undetermined 
Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL:  
RIN Data Printed in the FR: No 
Related RINs: Related to 1904-AD93 
Agency Contact:
Catherine Rivest
General Engineer
Department of Energy
Energy Efficiency and Renewable Energy
1000 Independence Avenue SW, Building Technologies Office, EE-5B,
Washington, DC 20585
Phone:202 586-7335