§ 6862.
(9)
The term “weatherization materials” means—
(A)
caulking and weatherstripping of doors and windows;
(B)
furnace efficiency modifications, including, but not limited to—
(i)
replacement burners, furnaces, or boilers or any combination thereof;
(ii)
devices for minimizing energy loss through heating system, chimney, or venting devices; and
(iii)
electrical or mechanical furnace ignition systems which replace standing gas pilot lights;
(D)
ceiling, attic, wall, floor, and duct insulation;
(E)
water heater insulation;
(F)
storm windows and doors, multiglazed windows and doors, heat-absorbing or heat-reflective window and door materials;
(G)
cooling efficiency modifications, including, but not limited to, replacement air-conditioners, ventilation equipment, screening, window films, and shading devices;
(H)
solar thermal water heaters;
(I)
wood-heating appliances; and
(J)
such other insulating or energy conserving devices or technologies, including renewable energy technologies and other advanced technologies, as the Secretary may determine, after consulting with the Secretary of Housing and Urban Development.
([Pub. L. 94–385, title IV, § 412], Aug. 14, 1976, [90 Stat. 1152]; [Pub. L. 95–602, title I, § 122(e)], Nov. 6, 1978, [92 Stat. 2987]; [Pub. L. 95–619, title II, § 231(a)(1)], (b)(2), Nov. 9, 1978, [92 Stat. 3224], 3225; [Pub. L. 96–294, title V, § 577(1)], (2), June 30, 1980, [94 Stat. 760]; [Pub. L. 98–558, title IV], §§ 401, 402, Oct. 30, 1984, [98 Stat. 2887]; [Pub. L. 100–242, title V, § 570(d)], Feb. 5, 1988, [101 Stat. 1950]; [Pub. L. 101–440, § 7(a)], Oct. 18, 1990, [104 Stat. 1012]; [Pub. L. 102–486, title I, § 142(b)], Oct. 24, 1992, [106 Stat. 2843]; [Pub. L. 105–220, title IV, § 414(f)], Aug. 7, 1998, [112 Stat. 1242]; [Pub. L. 109–58, title I, § 122(b)], Aug. 8, 2005, [119 Stat. 616]; [Pub. L. 109–365, title IX, § 901(b)], Oct. 17, 2006, [120 Stat. 2599]; [Pub. L. 110–140, title IV, § 411(c)], Dec. 19, 2007, [121 Stat. 1601]; [Pub. L. 111–5, div. A, title IV, § 407(a)], Feb. 17, 2009, [123 Stat. 145]; [Pub. L. 116–260, div. Z, title I, § 1011(b)], Dec. 27, 2020, [134 Stat. 2442].)