2007—Subsec. (b)(1). Pub. L. 110–140, § 315(b)(1), inserted “, or products with improved energy efficiency in cold climates,” after “residential Energy Star products”.

Subsec. (e)(2), (3). Pub. L. 110–140, § 315(b)(2), inserted “or product with improved energy efficiency in a cold climate” after “residential Energy Star product” wherever appearing.

Amendment by Pub. L. 110–140 effective on the date that is 1 day after Dec. 19, 2007, see section 1601 of Pub. L. 110–140, set out as an Effective Date note under section 1824 of Title 2, The Congress.