or cooling at a later time in a manner that avoids the need to use electricity at that later time. (viii) The generation, storage, or distribution of thermal energy exclusively utilizing property described in section 48(c)(3) (determined without regard to subparagraphs (B) and (D) thereof and without regard to any placed in service date). (ix) The generation, storage, or distribution of thermal energy exclusively using any resource described in section 45(c)(1) or energy property described in clause (i) or (iii) of section 48(a)(3)(A). (x) The use of recoverable waste energy, as defined in section 371(5) of the Energy Policy and Conservation Act ( 42 U.S.C. 6341(5) ). . (b) Effective date The amendment made by this section shall apply to taxable years beginning after December 31, 2020. 209. Manufacturer credit for high-efficiency heat pumps and heat pump water heaters (a) In general The Internal Revenue Code of 1986 is further amended by adding after section 45V (as added by this Act) the following new section: 45W. Manufacturer credit for high-efficiency heat pumps and heat pump water heaters (a) Credit amounts (1) In general For purposes of section 38, the energy efficient heat pump credit determined under this section for any taxable year is an amount equal to the sum of the credit amounts determined under paragraph (2) for each type of qualified energy efficient heat pump produced by the taxpayer during the calendar year ending with or within the taxable year. (2) Calculation of credits The credit amount determined for any type of qualified energy efficient appliance is— (A) the applicable amount determined under subsection (b) with respect to such type, multiplied by (B) the eligible production for such type under subsection (c). (b) Applicable amount For purposes of subsection (a): (1) Consumer heat pump water heaters The applicable amount is $600 in the case of a consumer heat pump water heater that is manufactured in calendar years 2022 through 2030 and that has a Uniform Energy Factor of 3.3 or more for