; (2) by redesignating subsection (ii) as subsection (jj); and (3) by inserting after subsection (hh) the following: (ii) Conventional room air cleaners (1) In general The following standards shall apply to conventional room air cleaners manufactured during the period beginning on December 31, 2023 and ending on December 30, 2025: (A) A conventional room air cleaner with a measured PM 2.5 CADR of greater than 9 and less than 100 shall meet or exceed an IEF of 1.69 PM 2.5 CADR/Watt. (B) A conventional room air cleaner with a measured PM 2.5 CADR of greater than 99 and less than 150 shall meet or exceed an IEF of 1.90 PM 2.5 CADR/Watt. (C) A conventional room air cleaner with a measured PM 2.5 CADR of 150 or greater shall meet or exceed an IEF of 2.01 PM 2.5 CADR/Watt. (2) Subsequent standards The following standards shall apply to conventional room air cleaners manufactured on or after December 31, 2025: (A) A conventional room air cleaner with a measured PM 2.5 CADR of greater than 9 and less than 100 shall meet or exceed an IEF of 1.89 PM 2.5 CADR/Watt. (B) A conventional room air cleaner with a measured PM 2.5 CADR of greater than 99 and less than 150 shall meet or exceed an IEF of 2.39 PM 2.5 CADR/Watt. (C) A conventional room air cleaner with a measured PM 2.5 CADR of 150 or greater shall meet or exceed an IEF of 2.91 PM 2.5 CADR/Watt. . 7. Preemption Subsection (jj) of section 325 of the Energy Policy and Conservation Act ( 42 U.S.C. 6295 ) (as redesignated by section 6(2)) is amended— (1) in paragraph (1), by striking ; and at the end and inserting a semicolon; (2) in paragraph (2), by striking the period at the end and inserting ; and