To amend the Internal Revenue Code of 1986 to modify the new energy efficient home credit and to provide a credit against tax for the purchase of certain energy efficient homes.

SECTION 1. SHORT TITLE.

    This Act may be cited as the ``Next Generation Homes Act of 2009''.

SEC. 2. MODIFICATION OF NEW ENERGY EFFICIENT HOME CREDIT.

    (a) In General.--
            (1) Modification of credit amount.--Paragraph (2) of 
        section 45L(a) of the Internal Revenue Code of 1986 (relating 
        to applicable amount) is amended to read as follows:
            ``(2) Applicable amount.--For purposes of paragraph (1), 
        the applicable amount is an amount equal to--
                    ``(A) in the case of an Energy Star Home, $700,
                    ``(B) in the case of an Energy Plus Home, $2,000,
                    ``(C) in the case of an Energy Saver Home, $5,000, 
                and
                    ``(D) in the case of Zero Energy Home, $10,000.''.
            (2) Modification of energy saving requirement.--Subsection 
        (c) of section 45L of such Code is amended to read as follows:
    ``(c) Energy Savings Requirements.--
            ``(1) In general.--A dwelling unit meets the energy savings 
        requirements of this subsection if such unit is described in 
        paragraph (2).
            ``(2) Applicable dwelling units.--For purposes of this 
        section--
                    ``(A) Energy star home.--The term `Energy Star 
                Home' means a dwelling unit which meets the 
                requirements established by the Administrator of the 
                Environmental Agency under the Energy Star Labeled 
                Homes program.
                    ``(B) Energy plus home.--The term `Energy Plus 
                Home' means a dwelling unit which is certified under 
                the most recent Mortgage Industry National Home Energy 
                Rating Systems Standards as having a relative energy 
                use index value of more than 50, but not more than 70.
                    ``(C) Energy saver home.--The term `Energy Saver 
                Home' means a dwelling unit which meets the 
                requirements of subparagraph (B) applied by 
                substituting `0' for `50' and `50' for `70'.
                    ``(D) Zero energy home.--The term `Zero Energy 
                Home' means a dwelling unit which meets the 
                requirements of subparagraph (B) applied by 
                substituting `0' for `more than 50, but not more than 
                70'.''.
            (3) Modification of termination.--Subsection (g) of section 
        45L of such Code (relating to termination) is amended to read 
        as follows:
    ``(g) Termination.--This section shall not apply to any qualified 
new energy efficient home acquired after--
            ``(1) in the case of an Energy Star Home, December 31, 
        2011,
            ``(2) in the case of a Energy Star Home, December 31, 2013,
            ``(3) in the case of a Energy Plus Home, December 31, 2015, 
        and
            ``(4) in the case of a Zero Energy Home, December 31, 
        2018.''.
    (b) Effective Date.--The amendments made by this section shall 
apply to new energy efficient homes acquired after December 31, 2008.

SEC. 3. ENERGY EFFICIENT RESIDENCE CREDIT.

    (a) In General.--Subpart A of part IV of subchapter A of chapter 1 
of the Internal Revenue Code of 1986 is amended by inserting after 
section 25D the following new section:

``SEC. 25E. ENERGY EFFICIENT RESIDENCE CREDIT.

    ``(a) In General.--In the case of an individual who purchases a 
qualified energy efficient residence in the United States during a 
taxable year, there shall be allowed as a credit against the tax 
imposed by this chapter for such taxable year an amount equal to the 
applicable amount determined under subsection (c).
    ``(b) Qualified Energy Efficient Residence.--For purposes of this 
section, the term `qualified energy efficient residence' means any 
principal residence (within the meaning of section 121) of the taxpayer 
which is an Energy Star Home, Energy Plus Home, Energy Saver Home, or 
Zero Energy Home (as each is defined in section 45L(c)(2)).
    ``(c) Applicable Amount.--For purposes of this section--
            ``(1) In general.--The applicable amount shall be--
                    ``(A) in the case of an Energy Star Home, $700,
                    ``(B) in the case of an Energy Plus Home, $2,000,
                    ``(C) in the case of an Energy Saver Home, $5,000, 
                and
                    ``(D) in the case of Zero Energy Home, $10,000.
            ``(2) Married filing separately.--In the case of a married 
        individual filing a separate return, the applicable amount 
        shall be 50 percent of the amount in effect under paragraph (1) 
        applicable to the qualified energy efficient home involved.
            ``(3) Other individuals.--If two or more individuals who 
        are not married purchase a principal residence, the amount of 
        the credit allowed under subsection (a) shall be allocated 
        among such individuals in such manner as the Secretary may 
        prescribe, except that the total amount of the credits allowed 
        to all such individuals shall not exceed the amount in effect 
        under paragraph (1) applicable to the qualified energy 
        efficient home involved.
    ``(d) Definition and Special Rules.--For purposes of this section--
            ``(1) Purchase.--The term `purchase' shall have the meaning 
        given such term by section 36.
            ``(2) Rules made applicable.--Rules similar to the rules of 
        subsections (d) and (f) of section 36 shall apply. For purposes 
        of the preceding sentence, such subsection (f) shall be applied 
        without regard to paragraph (4)(D) thereof.
    ``(e) Termination.--This section shall not apply to any qualified 
energy efficient residence purchased after--
            ``(1) in the case of an Energy Star Home, December 31, 
        2011,
            ``(2) in the case of a Energy Star Home, December 31, 2013,
            ``(3) in the case of a Energy Plus Home, December 31, 2015, 
        and
            ``(4) in the case of a Zero Energy Home, December 31, 
        2018.''.
    (b) Clerical Amendment.--The table of sections for subpart A of 
part IV of subchapter A of chapter 1 of such Code is amended by 
inserting after the item relating to section 25D the following new 
item:

``Sec. 25E. Energy efficient residence credit.''.
    (c) Effective Date.--The amendments made by this section shall 
apply to residences purchased after the date of the enactment of this 
Act.

Summary: Next Generation Homes Act of 2009 - Amends the Internal Revenue Code to: (1) increase the dollar limits on the new energy efficient home tax credit and revise the energy savings requirements for such credit; and (2) allow a new tax credit for the purchase of an energy efficient principal residence.