(a) Allowance of credit
In the case of an individual, there shall be allowed as a credit against the tax imposed by this chapter for the taxable year an amount equal to the sum of—
(1) 10 percent of the amount paid or incurred by the taxpayer for qualified energy efficiency improvements installed during such taxable year, and
(2) the amount of the residential energy property expenditures paid or incurred by the taxpayer during such taxable year.
(b) Limitations
(1) Lifetime limitation
The credit allowed under this section with respect to any taxpayer for any taxable year shall not exceed the excess (if any) of $500 over the aggregate credits allowed under this section with respect to such taxpayer for all prior taxable years ending after December 31, 2005.
(2) Windows
In the case of amounts paid or incurred for components described in subsection (c)(3)(B) by any taxpayer for any taxable year, the credit allowed under this section with respect to such amounts for such year shall not exceed the excess (if any) of $200 over the aggregate credits allowed under this section with respect to such amounts for all prior taxable years ending after December 31, 2005.
(3) Limitation on residential energy property expenditures
The amount of the credit allowed under this section by reason of subsection (a)(2) shall not exceed—
(A) $50 for any advanced main air circulating fan,
(B) $150 for any qualified natural gas, propane, or oil furnace or hot water boiler, and
(C) $300 for any item of energy-efficient building property.
(c) Qualified energy efficiency improvements
For purposes of this section—
(1) In general
The term "qualified energy efficiency improvements" means any energy efficient building envelope component, if—
(A) such component is installed in or on a dwelling unit located in the United States and owned and used by the taxpayer as the taxpayer's principal residence (within the meaning of section 121),
(B) the original use of such component commences with the taxpayer, and
(C) such component reasonably can be expected to remain in use for at least 5 years.
(2) Energy efficient building envelope component
The term "energy efficient building envelope component" means a building envelope component which meets—
(A) applicable Energy Star program requirements, in the case of a roof or roof products,
(B) version 6.0 Energy Star program requirements, in the case of an exterior window, a skylight, or an exterior door, and
(C) the prescriptive criteria for such component established by the 2009 International Energy Conservation Code, as such Code (including supplements) is in effect on the date of the enactment of the American Recovery and Reinvestment Tax Act of 2009, in the case of any other component.
(3) Building envelope component
The term "building envelope component" means—
(A) any insulation material or system which is specifically and primarily designed to reduce the heat loss or gain of a dwelling unit when installed in or on such dwelling unit,
(B) exterior windows (including skylights),
(C) exterior doors, and
(D) any metal roof or asphalt roof installed on a dwelling unit, but only if such roof has appropriate pigmented coatings or cooling granules which are specifically and primarily designed to reduce the heat gain of such dwelling unit.
(4) Manufactured homes included
The term "dwelling unit" includes a manufactured home which conforms to Federal Manufactured Home Construction and Safety Standards (part 3280 of title 24, Code of Federal Regulations).
(d) Residential energy property expenditures
For purposes of this section—
(1) In general
The term "residential energy property expenditures" means expenditures made by the taxpayer for qualified energy property which is—
(A) installed on or in connection with a dwelling unit located in the United States and owned and used by the taxpayer as the taxpayer's principal residence (within the meaning of section 121), and
(B) originally placed in service by the taxpayer.
Such term includes expenditures for labor costs properly allocable to the onsite preparation, assembly, or original installation of the property.
(2) Qualified energy property
(A) In general
The term "qualified energy property" means—
(i) energy-efficient building property,
(ii) a qualified natural gas, propane, or oil furnace or hot water boiler, or
(iii) an advanced main air circulating fan.
(B) Performance and quality standards
Property described under subparagraph (A) shall meet the performance and quality standards, and the certification requirements (if any), which—
(i) have been prescribed by the Secretary by regulations (after consultation with the Secretary of Energy or the Administrator of the Environmental Protection Agency, as appropriate), and
(ii) are in effect at the time of the acquisition of the property, or at the time of the completion of the construction, reconstruction, or erection of the property, as the case may be.
(C) Requirements and standards for air conditioners and heat pumps
The standards and requirements prescribed by the Secretary under subparagraph (B) with respect to the energy efficiency ratio (EER) for central air conditioners and electric heat pumps—
(i) shall require measurements to be based on published data which is tested by manufacturers at 95 degrees Fahrenheit, and
(ii) may be based on the certified data of the Air Conditioning and Refrigeration Institute that are prepared in partnership with the Consortium for Energy Efficiency.
(3) Energy-efficient building property
The term "energy-efficient building property" means—
(A) an electric heat pump water heater which yields a Uniform Energy Factor of at least 2.2 in the standard Department of Energy test procedure,
(B) an electric heat pump which achieves the highest efficiency tier established by the Consortium for Energy Efficiency, as in effect on January 1, 2009,
(C) a central air conditioner which achieves the highest efficiency tier established by the Consortium for Energy Efficiency, as in effect on January 1, 2009,
(D) a natural gas, propane, or oil water heater which has either a Uniform Energy Factor of at least 0.82 or a thermal efficiency of at least 90 percent, and
(E) a stove which uses the burning of biomass fuel to heat a dwelling unit located in the United States and used as a residence by the taxpayer, or to heat water for use in such a dwelling unit, and which has a thermal efficiency rating of at least 75 percent.
(4) Qualified natural gas, propane, or oil furnace or hot water boiler
The term "qualified natural gas, propane, or oil furnace or hot water boiler" means a natural gas, propane, or oil furnace or hot water boiler which achieves an annual fuel utilization efficiency rate of not less than 95.
(5) Advanced main air circulating fan
The term "advanced main air circulating fan" means a fan used in a natural gas, propane, or oil furnace and which has an annual electricity use of no more than 2 percent of the total annual energy use of the furnace (as determined in the standard Department of Energy test procedures).
(6) Biomass fuel
The term "biomass fuel" means any plant-derived fuel available on a renewable or recurring basis, including agricultural crops and trees, wood and wood waste and residues (including wood pellets), plants (including aquatic plants), grasses, residues, and fibers.
(e) Special rules
For purposes of this section—
(1) Application of rules
Rules similar to the rules under paragraphs (4), (5), (6), (7), and (8) of section 25D(e) shall apply.
(2) Joint ownership of energy items
(A) In general
Any expenditure otherwise qualifying as an expenditure under this section shall not be treated as failing to so qualify merely because such expenditure was made with respect to two or more dwelling units.
(B) Limits applied separately
In the case of any expenditure described in subparagraph (A), the amount of the credit allowable under subsection (a) shall (subject to paragraph (1)) be computed separately with respect to the amount of the expenditure made for each dwelling unit.
(3) Property financed by subsidized energy financing
For purposes of determining the amount of expenditures made by any individual with respect to any property, there shall not be taken into account expenditures which are made from subsidized energy financing (as defined in section 48(a)(4)(C)).
(f) Basis adjustments
For purposes of this subtitle, if a credit is allowed under this section for any expenditure with respect to any property, the increase in the basis of such property which would (but for this subsection) result from such expenditure shall be reduced by the amount of the credit so allowed.
(g) Termination
This section shall not apply with respect to any property placed in service—
(1) after December 31, 2007, and before January 1, 2009, or
(2) after December 31, 2020.
References in Text
The date of the enactment of the American Recovery and Reinvestment Tax Act of 2009, referred to in subsec. (c)(2)(C), is the date of enactment of title I of div. B of Pub. L. 111–5, which was approved Feb. 17, 2009.
Amendments
2019—Subsec. (d)(3)(A). Pub. L. 116–94, §123(b)(1), substituted "a Uniform Energy Factor of at least 2.2" for "an energy factor of at least 2.0".
Subsec. (d)(3)(D). Pub. L. 116–94, §123(b)(2), substituted "a Uniform Energy Factor" for "an energy factor".
Subsec. (g)(2). Pub. L. 116–94, §123(a), substituted "December 31, 2020" for "December 31, 2017".
2018—Subsec. (b)(2). Pub. L. 115–141, §401(a)(4), substituted "subsection (c)(3)(B)" for "subsection (c)(2)(B)".
Subsec. (d)(3)(B). Pub. L. 115–141, §401(a)(5)(A), substituted comma for period at end.
Subsec. (d)(3)(D). Pub. L. 115–141, §401(a)(5)(B), substituted ", and" for period at end.
Subsec. (g)(2). Pub. L. 115–141, §401(a)(6), substituted "2017." for "2017.."
Pub. L. 115–123 substituted "December 31, 2017" for "December 31, 2016".
2015—Subsec. (c)(1). Pub. L. 114–113, §181(b)(1), struck out "which meets the prescriptive criteria for such component established by the 2009 International Energy Conservation Code, as such Code (including supplements) is in effect on the date of the enactment of the American Recovery and Reinvestment Tax Act of 2009 (or, in the case of an exterior window, a skylight, an exterior door, a metal roof with appropriate pigmented coatings, or an asphalt roof with appropriate cooling granules, which meet the Energy Star program requirements)" after "envelope component" in introductory provisions.
Subsec. (c)(2) to (4). Pub. L. 114–113, §181(b)(2), added par. (2) and redesignated former pars. (2) and (3) as (3) and (4), respectively.
Subsec. (g)(2). Pub. L. 114–113, §181(a), substituted "December 31, 2016" for "December 31, 2014".
2014—Subsec. (g)(2). Pub. L. 113–295 substituted "December 31, 2014" for "December 31, 2013".
2013—Subsec. (g)(2). Pub. L. 112–240 substituted "December 31, 2013" for "December 31, 2011".
2010—Subsecs. (a), (b). Pub. L. 111–312, §710(b)(1), amended subsecs. (a) and (b) generally. Prior to amendment, subsecs. (a) and (b) read as follows:
"(a)
"(1) the amount paid or incurred by the taxpayer during such taxable year for qualified energy efficiency improvements, and
"(2) the amount of the residential energy property expenditures paid or incurred by the taxpayer during such taxable year.
"(b)
Subsec. (c)(1). Pub. L. 111–312, §710(b)(2)(D)(ii), inserted "an exterior window, a skylight, an exterior door," after "in the case of" in introductory provisions.
Pub. L. 111–312, §710(b)(2)(A), in introductory provisions, substituted "2009 International Energy Conservation Code, as such Code (including supplements) is in effect on the date of the enactment of the American Recovery and Reinvestment Tax Act of 2009" for "2000 International Energy Conservation Code, as such Code (including supplements) is in effect on the date of the enactment of this section".
Subsec. (c)(2)(A). Pub. L. 111–312, §710(b)(2)(E), struck out "and meets the prescriptive criteria for such material or system established by the 2009 International Energy Conservation Code, as such Code (including supplements) is in effect on the date of the enactment of the American Recovery and Reinvestment Tax Act of 2009" after "on such dwelling unit".
Subsec. (c)(4). Pub. L. 111–312, §710(b)(2)(D)(i), struck out par. (4). Text read as follows: "Such term shall not include any component described in subparagraph (B) or (C) of paragraph (2) unless such component is equal to or below a U factor of 0.30 and SHGC of 0.30."
Subsec. (d)(2)(A)(ii). Pub. L. 111–312, §710(b)(2)(C)(ii), amended cl. (ii) generally. Prior to amendment, cl. (ii) read as follows: "any qualified natural gas furnace, qualified propane furnace, qualified oil furnace, qualified natural gas hot water boiler, qualified propane hot water boiler, or qualified oil hot water boiler, or".
Subsec. (d)(3)(E). Pub. L. 111–312, §710(b)(2)(B), struck out ", as measured using a lower heating value" after "75 percent".
Subsec. (d)(4). Pub. L. 111–312, §710(b)(2)(C)(i), amended par. (4) generally. Prior to amendment, par. (4) defined the terms "qualified natural gas furnace", "qualified natural gas hot water boiler", "qualified propane furnace", "qualified propane hot water boiler", "qualified oil furnace", and "qualified oil hot water boiler".
Subsec. (e)(3). Pub. L. 111–312, §710(b)(3), added par. (3).
Subsec. (g)(2). Pub. L. 111–312, §710(a), substituted "2011" for "2010".
2009—Subsecs. (a), (b). Pub. L. 111–5, §1121(a), added subsecs. (a) and (b) and struck out former subsecs. (a) and (b) which related to credit equal to the sum of 10 percent of the amount paid for qualified energy efficiency improvements and the amount of energy property expenditures and provided limits on credits and expenditures.
Subsec. (c)(2)(A). Pub. L. 111–5, §1121(d)(2), inserted "and meets the prescriptive criteria for such material or system established by the 2009 International Energy Conservation Code, as such Code (including supplements) is in effect on the date of the enactment of the American Recovery and Reinvestment Tax Act of 2009" after "such dwelling unit".
Subsec. (c)(4). Pub. L. 111–5, §1121(d)(1), added par. (4).
Subsec. (d)(2)(A)(ii). Pub. L. 111–5, §1121(c)(2), amended cl. (ii) generally. Prior to amendment, cl. (ii) read as follows: "a qualified natural gas, propane, or oil furnace or hot water boiler, or".
Subsec. (d)(3)(B). Pub. L. 111–5, §1121(b)(1), amended subpar. (B) generally. Prior to amendment, subpar. (B) read as follows: "an electric heat pump which has a heating seasonal performance factor (HSPF) of at least 9, a seasonal energy efficiency ratio (SEER) of at least 15, and an energy efficiency ratio (EER) of at least 13,".
Subsec. (d)(3)(C). Pub. L. 111–5, §1121(b)(2), substituted "2009" for "2006".
Subsec. (d)(3)(D). Pub. L. 111–5, §1121(b)(3), amended subpar. (D) generally. Prior to amendment, subpar. (D) read as follows: "a natural gas, propane, or oil water heater which has an energy factor of at least 0.80 or a thermal efficiency of at least 90 percent, and".
Subsec. (d)(3)(E). Pub. L. 111–5, §1121(b)(4), inserted ", as measured using a lower heating value" after "75 percent".
Subsec. (d)(4). Pub. L. 111–5, §1121(c)(1), amended par. (4) generally. Prior to amendment, text read as follows: "The term 'qualified natural gas, propane, or oil furnace or hot water boiler' means a natural gas, propane, or oil furnace or hot water boiler which achieves an annual fuel utilization efficiency rate of not less than 95."
Subsec. (e)(1). Pub. L. 111–5, §1103(b)(2)(A), substituted "and (8)" for "(8), and (9)".
Subsec. (g)(2). Pub. L. 111–5, §1121(e), substituted "December 31, 2010" for "December 31, 2009".
2008—Subsec. (c)(1). Pub. L. 110–343, §302(e)(1), in introductory provisions, inserted ", or an asphalt roof with appropriate cooling granules," before "which meet the Energy Star program requirements".
Subsec. (c)(2)(D). Pub. L. 110–343, §302(e)(2), inserted "or asphalt roof" after "metal roof" and "or cooling granules" after "pigmented coatings".
Subsec. (d)(2)(C). Pub. L. 110–343, §302(d)(2), amended heading and text of subpar. (C) generally. Prior to amendment, subpar. (C) related to requirements for standards for central air conditioners, electric heat pumps, and geothermal heat pumps.
Subsec. (d)(3)(C), (D). Pub. L. 110–343, §302(d)(1), redesignated subpars. (D) and (E) as (C) and (D), respectively, and struck out former subpar. (C) which read as follows: "a geothermal heat pump which—
"(i) in the case of a closed loop product, has an energy efficiency ratio (EER) of at least 14.1 and a heating coefficient of performance (COP) of at least 3.3,
"(ii) in the case of an open loop product, has an energy efficiency ratio (EER) of at least 16.2 and a heating coefficient of performance (COP) of at least 3.6, and
"(iii) in the case of a direct expansion (DX) product, has an energy efficiency ratio (EER) of at least 15 and a heating coefficient of performance (COP) of at least 3.5,".
Subsec. (d)(3)(E). Pub. L. 110–343, §302(d)(1), redesignated subpar. (F) as (E). Former subpar. (E) redesignated (D).
Pub. L. 110–343, §302(c), inserted "or a thermal efficiency of at least 90 percent" after "0.80".
Subsec. (d)(3)(F). Pub. L. 110–343, §302(d)(1), redesignated subpar. (F) as (E).
Pub. L. 110–343, §302(b)(1), added subpar. (F).
Subsec. (d)(6). Pub. L. 110–343, §302(b)(2), added par. (6).
Subsec. (g). Pub. L. 110–343, §302(a), substituted "placed in service—" for "placed in service after December 31, 2007" and added pars. (1) and (2).
2007—Subsec. (c)(3). Pub. L. 110–172 substituted "part 3280" for "section 3280".
2005—Subsec. (b)(2). Pub. L. 109–135 substituted "subsection (c)(2)(B)" for "subsection (c)(3)(B)".
Effective Date of 2019 Amendment
Pub. L. 116–94, div. Q, title I, §123(c), Dec. 20, 2019, 133 Stat. 3231, provided that: "The amendments made by this section [amending this section] shall apply to property placed in service after December 31, 2017."
Effective Date of 2018 Amendment
Pub. L. 115–123, div. D, title I, §40401(b), Feb. 9, 2018, 132 Stat. 148, provided that: "The amendment made by this section [amending this section] shall apply to property placed in service after December 31, 2016."
Effective Date of 2015 Amendment
Pub. L. 114–113, div. Q, title I, §181(c), Dec. 18, 2015, 129 Stat. 3072, provided that:
"(1)
"(2)
Effective Date of 2014 Amendment
Pub. L. 113–295, div. A, title I, §151(b), Dec. 19, 2014, 128 Stat. 4021, provided that: "The amendment made by this section [amending this section] shall apply to property placed in service after December 31, 2013."
Effective Date of 2013 Amendment
Pub. L. 112–240, title IV, §401(b), Jan. 2, 2013, 126 Stat. 2337, provided that: "The amendment made by this section [amending this section] shall apply to property placed in service after December 31, 2011."
Effective Date of 2010 Amendment
Pub. L. 111–312, title VII, §710(c), Dec. 17, 2010, 124 Stat. 3315, provided that: "The amendments made by this section [amending this section] shall apply to property placed in service after December 31, 2010."
Effective Date of 2009 Amendment
Pub. L. 111–5, div. B, title I, §1103(c), Feb. 17, 2009, 123 Stat. 321, provided that:
"(1)
"(2)
Pub. L. 111–5, div. B, title I, §1121(f), Feb. 17, 2009, 123 Stat. 324, provided that:
"(1)
"(2)
Effective Date of 2008 Amendment
Pub. L. 110–343, div. B, title III, §302(f), Oct. 3, 2008, 122 Stat. 3845, provided that:
"(1)
"(2)
Effective Date
Pub. L. 109–58, title XIII, §1333(c), Aug. 8, 2005, 119 Stat. 1030, provided that: "The amendments made by this section [enacting this section and amending section 1016 of this title] shall apply to property placed in service after December 31, 2005."
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