Central air-conditioners, heat pumps; Window or wall air conditioning machines, self-contained or "split-system" (HS code(s): 841510); Heat pumps (excl. air conditioning machines of heading 8415) (HS code(s): 841861); Quality (ICS code(s): 03.120); Environmental protection (ICS code(s): 13.020); Test conditions and procedures in general (ICS code(s): 19.020); Ventilators. Fans. Air-conditioners (ICS code(s): 23.120); Heat pumps (ICS code(s): 27.080)

Energy Conservation Program: Test Procedure for Test Procedures for Central Air Conditioners and Heat Pumps; (55 page(s), in English)

Notice of proposed rulemaking and request for comment - The U.S. Department of Energy ("DOE") proposes to amend the test procedures for central air conditioners and heat pumps that will be required for certification of compliance with applicable energy conservation standards starting 1 January 2023 to address a limited number of specific issues. DOE is seeking comment from interested parties on the proposal.