Energy Conservation Program: Test Procedure for VRF Multi-Split Systems

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Energy 10 CFR Parts 429 and 431 [EERE-2021-BT-TP-0019] RIN 1904-AE43 AGENCY: Office of Energy Efficiency and Renewable Energy, Department of Energy. ACTION: Notice of proposed rulemaking and request for comment. SUMMARY: The U.S. Department of Energy (“DOE”) proposes to amend the test procedure for variable refrigerant flow multi-split air conditioners and heat pumps (“VRF multi-split systems”) to incorporate by reference the latest version of the industry test standard. DOE also proposes to adopt the integrated energy efficiency ratio metric in its test procedures for VRF multi-split systems. Additionally, DOE proposes to adopt provisions in the updated industry test procedure relevant to certification and enforcement, including a controls verification procedure. DOE welcomes written comment from the public on any subject within the scope of this document (including topics not specifically raised in this proposal), as well as the submission of data and other relevant information. DATES: Comments: DOE will accept written comments, data, and information regarding this notice of proposed rulemaking (NOPR) on or before February 8, 2022. See section V, “Public Participation,” for details. Meeting: DOE will hold a webinar on Thursday, January 20, 2022, from 1:00 p.m. to 4:00 p.m. See section V, “Public Participation,” for webinar registration information, participant instructions, and information about the capabilities …