1. Short title This Act may be cited as the Energy Efficient Qualified Improvement Property Act of 2020 or the E–QUIP Act . 2. Depreciation of energy efficient qualified improvement property (a) 10-Year property Section 168(e)(3)(D) of the Internal Revenue Code of 1986 is amended by striking and at the end of clause (iii), by striking the period at the end of clause (iv) and inserting , and , and by adding at the end the following new clause: (vi) energy efficient qualified improvement property. . (b) Straight line method Section 168(b)(3) of such Code is amended by adding at the end the following new subparagraph: (H) Energy efficient qualified improvement property described in subsection (e)(7). . (c) Energy efficient qualified improvement property defined Section 168(e) of such Code is amended by adding at the end the following new paragraph: (7) Energy efficient qualified improvement property (A) In general The term energy efficient qualified improvement property means any improvement— (i) to a building which is nonresidential real property, or multifamily residential rental property, first placed in service more than 10 years before the date of the enactment of this subparagraph, (ii) which is installed as part of— (I) the lighting system, (II) the heating, cooling, ventilation, or hot water systems, or (III) the building envelope, (iii) which meets the performance requirements of subparagraph (B), (iv) which, in the case of an improvement described in subclause (I) or (II) of clause (ii)— (I) is audited, commissioned, or managed by a professional with a credential that is recognized by the Department of Energy through its Better Buildings Workforce Guidelines, and (II) is subject to an ongoing operations and maintenance plan under such certification during the applicable recovery period, (v) which, in the case of an improvement described in clause (ii)(III), the design and installation has been completed, observed, or approved by an individual qualified by industry-recognized professional credential