1. Energy efficiency materials pilot program (a) Definitions In this section: (1) Applicant The term applicant means a nonprofit organization that applies for a grant under this section. (2) Energy-efficiency material (A) In general The term energy-efficiency material means a material (including a product, equipment, or system) the installation of which results in a reduction in use by a nonprofit organization of energy or fuel. (B) Inclusions The term energy-efficiency material includes— (i) a roof or lighting system or component of the system; (ii) a window; (iii) a door, including a security door; (iv) a heating, ventilation, or air conditioning system or component of the system (including insulation and wiring and plumbing improvements needed to serve a more efficient system); and (v) a renewable energy generation or heating system, including a solar, photovoltaic, wind, geothermal, or biomass (including wood pellet) system or component of the system. (3) Nonprofit building (A) In general The term nonprofit building means a building operated and owned by an organization that is described in section 501(c)(3) of the Internal Revenue Code of 1986 and exempt from tax under section 501(a) of such Code. (B) Inclusions The term nonprofit building includes a building described in subparagraph (A) that is— (i) a hospital; (ii) a youth center; (iii) a school; (iv) a social-welfare program facility; (v) a faith-based organization