envelope component. , (D) in subsection (d)— (i) in paragraph (2)(A)— (I) in clause (i), by adding or at the end, (II) in clause (ii), by striking , or and inserting a period, and (III) by striking clause (iii), (ii) in paragraph (3)— (I) by striking subparagraph (A) and inserting the following: (A) an electric heat pump water heater which, in the standard Department of Energy test procedure, yields a uniform energy factor of at least 3.0, , (II) in subparagraph (B), by striking January 1, 2009 and inserting the date of enactment of the Home Energy Savings Act , (III) in subparagraph (C), by striking January 1, 2009 and inserting the date of enactment of the Home Energy Savings Act , (IV) by striking subparagraph (D) and inserting the following: (D) a natural gas, propane, or oil water heater which, in the standard Department of Energy test procedure, yields— (i) in the case of a storage tank water heater— (I) in the case of a medium-draw water heater, a uniform energy factor of not less than 0.78, and (II) in the case of a high-draw water heater, a uniform energy factor of not less than 0.80, and (ii) in the case of a tankless water heater— (I) in the case of a medium-draw water heater, a uniform energy factor of not less than 0.87, and (II) in the case of a high-draw water heater, a uniform energy factor of not less than 0.90, and , and (V) in subparagraph (E), by striking of at least 75 percent and inserting the following: (as determined pursuant to the applicable list published by the Environmental Protection Agency for certified wood stoves, hydronic heaters, or forced-air furnaces) of at least— (i) in the case of any stove placed in service before January 1, 2021, 73 percent, and (ii) in the case of any stove placed in service after December 31, 2020, 75 percent. , (iii) in paragraph (4), by striking not less than 95 and inserting the following: not less than— (A) in the case of a furnace, 97 percent, and (B) in the case of a hot water boiler, 95 percent. , (iv) by striking paragraph (5), and (v) by