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 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 a nonprofit organization. (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 facility of a faith-based organization