{"abstract":"The Energy Policy and Conservation Act, as amended (EPCA), prescribes energy conservation standards for various consumer products and certain commercial and industrial equipment, including small, large, and very large commercial package air conditioning and heating equipment, of which computer room air conditioners (CRACs) are a category. EPCA requires the U.S. Department of Energy (DOE or the Department) to consider the need for amended standards each time American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) Standard 90.1 is amended with respect to the standard levels or design requirements applicable to that equipment, or periodically under a six-year-lookback review provision. In this final rule, DOE is adopting amended energy conservation standards for CRACs that rely on a new efficiency metric and are equivalent to those levels specified in ASHRAE Standard 90.1-2019. DOE has determined that it lacks the clear and convincing evidence required by the statute to adopt standards more stringent than the levels specified in the industry standard.","action":"Final rule.","agencies":[{"raw_name":"DEPARTMENT OF ENERGY","name":"Energy Department","id":136,"url":"https://www.federalregister.gov/agencies/energy-department","json_url":"https://www.federalregister.gov/api/v1/agencies/136","parent_id":null,"slug":"energy-department"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2023/06/02/2023-10859.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"431","title":10}],"citation":"88 FR 36392","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"The effective date of this rule is August 1, 2023. Compliance with the amended standards established for computer room air conditioners in this final rule is required on and after May 28, 2024.","disposition_notes":null,"docket_ids":["EERE-2020-BT-STD-0008"],"dockets":[{"supporting_documents":[{"title":"2022-04-13  Transcript of Proceedings In The Matter Of: Energy Conservation Standards Notice Of Proposed Rulemaking for ASHRAE Standard 90.1 Commercial AC/Heating Equipment: Computer Room Air Conditioners (CRACs) Docket No.: EERE-2020-BT-STD-0008","document_id":"EERE-2020-BT-STD-0008-0011"},{"title":"2022-04-13  Energy Conservation Standards Notice of Proposed Rulemaking for ASHRAE Standard 90.1 Commercial AC/Heating Equipment:  Computer Room Air Conditioners (CRACs), Public Meeting, April 13, 2022","document_id":"EERE-2020-BT-STD-0008-0010"}],"agency_name":"EERE","documents":[{"comment_count":null,"comment_start_date":null,"updated_at":"2023-06-02T09:56:37.299-04:00","comment_url":"https://www.regulations.gov/commenton/EERE-2020-BT-STD-0008-0015","allow_late_comments":null,"id":"EERE-2020-BT-STD-0008-0015","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":2,"id":"EERE-2020-BT-STD-0008","title":"Energy Conservation Standards for Certain Categories of Commercial Air Conditioning and Heating Equipment ASHRAE 90.1-2019"}],"document_number":"2023-10859","effective_on":"2023-08-01","end_page":36428,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2023/06/02/2023-10859.xml","html_url":"https://www.federalregister.gov/documents/2023/06/02/2023-10859/energy-conservation-program-energy-conservation-standards-for-computer-room-air-conditioners","images":{"ER02JN23.003":{"large":"https://img.federalregister.gov/ER02JN23.003/ER02JN23.003_large.png","medium":"https://img.federalregister.gov/ER02JN23.003/ER02JN23.003_medium.png","original_size":"https://img.federalregister.gov/ER02JN23.003/ER02JN23.003_original_size.png"},"ER02JN23.002":{"large":"https://img.federalregister.gov/ER02JN23.002/ER02JN23.002_large.png","medium":"https://img.federalregister.gov/ER02JN23.002/ER02JN23.002_medium.png","original_size":"https://img.federalregister.gov/ER02JN23.002/ER02JN23.002_original_size.png"},"ER02JN23.001":{"large":"https://img.federalregister.gov/ER02JN23.001/ER02JN23.001_large.png","medium":"https://img.federalregister.gov/ER02JN23.001/ER02JN23.001_medium.png","original_size":"https://img.federalregister.gov/ER02JN23.001/ER02JN23.001_original_size.png"},"ER02JN23.000":{"large":"https://img.federalregister.gov/ER02JN23.000/ER02JN23.000_large.png","medium":"https://img.federalregister.gov/ER02JN23.000/ER02JN23.000_medium.png","original_size":"https://img.federalregister.gov/ER02JN23.000/ER02JN23.000_original_size.png"}},"images_metadata":{"ER02JN23.003":{"large":{"identifier":"ER02JN23.003","content_type":"image/png","size":4297,"width":813,"sha":"5494b23b6ec26846ebcd443db8193654","url":"https://img.federalregister.gov/ER02JN23.003/ER02JN23.003_large.png","height":89},"medium":{"identifier":"ER02JN23.003","content_type":"image/png","size":1755,"width":393,"sha":"543455f7e102dd8acb707f2cf8f02267","url":"https://img.federalregister.gov/ER02JN23.003/ER02JN23.003_medium.png","height":43},"original_size":{"identifier":"ER02JN23.003","content_type":"image/png","size":6357,"width":3005,"sha":"03e6d5c5bc807a65b63761f669150aad","url":"https://img.federalregister.gov/ER02JN23.003/ER02JN23.003_original_size.png","height":329}},"ER02JN23.002":{"large":{"identifier":"ER02JN23.002","content_type":"image/png","size":4468,"width":707,"sha":"cffb6e8c17f97af3aa6afb2ae945e634","url":"https://img.federalregister.gov/ER02JN23.002/ER02JN23.002_large.png","height":89},"medium":{"identifier":"ER02JN23.002","content_type":"image/png","size":1761,"width":333,"sha":"6010b4c9359584e416c8971f321da147","url":"https://img.federalregister.gov/ER02JN23.002/ER02JN23.002_medium.png","height":42},"original_size":{"identifier":"ER02JN23.002","content_type":"image/png","size":5922,"width":2525,"sha":"f11804bb72606b29f9f14814a6c6b6ac","url":"https://img.federalregister.gov/ER02JN23.002/ER02JN23.002_original_size.png","height":318}},"ER02JN23.001":{"large":{"identifier":"ER02JN23.001","content_type":"image/png","size":4039,"width":811,"sha":"85ad1b3c162ea88ed40a8ce224de1898","url":"https://img.federalregister.gov/ER02JN23.001/ER02JN23.001_large.png","height":51},"medium":{"identifier":"ER02JN23.001","content_type":"image/png","size":1545,"width":378,"sha":"ec300ed3fe658f1363c34ffdad601356","url":"https://img.federalregister.gov/ER02JN23.001/ER02JN23.001_medium.png","height":24},"original_size":{"identifier":"ER02JN23.001","content_type":"image/png","size":5448,"width":2882,"sha":"3310cf5894f98c0bdc82c049f0b0d337","url":"https://img.federalregister.gov/ER02JN23.001/ER02JN23.001_original_size.png","height":183}},"ER02JN23.000":{"large":{"identifier":"ER02JN23.000","content_type":"image/png","size":3456,"width":648,"sha":"4fdeba74d4a406a67b236852934fcc67","url":"https://img.federalregister.gov/ER02JN23.000/ER02JN23.000_large.png","height":89},"medium":{"identifier":"ER02JN23.000","content_type":"image/png","size":1356,"width":306,"sha":"8677ef2f93e73258da6c33515e14382b","url":"https://img.federalregister.gov/ER02JN23.000/ER02JN23.000_medium.png","height":42},"original_size":{"identifier":"ER02JN23.000","content_type":"image/png","size":4227,"width":2322,"sha":"4603029035473485e20d8b71d3e267f0","url":"https://img.federalregister.gov/ER02JN23.000/ER02JN23.000_original_size.png","height":319}}},"json_url":"https://www.federalregister.gov/api/v1/documents/2023-10859?publication_date=2023-06-02","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2023-06-02/2023-10859/mods.xml","not_received_for_publication":null,"page_length":37,"page_views":{"count":718,"last_updated":"2026-09-21 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