A project involving a commercial building, an industrial building, or an industrial process qualifies as an energy conservation project if it consists of: the purchase, installation, or modification of an installation that is designed primarily to reduce the consumption of energy, including: caulking or weather stripping; insulating the building structure or a system in the building; a storm window or door, a multiglazed window or door, a heat-absorbing or heat-reflecting window or door system, glazing, a reduction in glass area, or another window or door system modification; an automatic energy control system; equipment that is associated with an automatic energy control system and that is required to operate a variable steam, hydraulic, or ventilation system; the replacement or modification of a lighting system to increase energy efficiency; an energy recovery system; a cogeneration system; a system for processing or converting the waste products of the industrial process to steam, electricity, heat, or other useful form of energy; an improvement to the industrial process that reduces the energy requirements for each unit of output; a modification of a furnace or utility plant and distribution system including: a replacement burner, furnace, or boiler or any combination of them that increases the energy efficiency of the heating system; a device for modifying a flue opening that increases the energy efficiency of the heating system; and an electrical or mechanical furnace ignition system that replaces a standing gas pilot light; or any other energy conservation improvement that the Authority determines by regulation to be appropriate and consistent with this subtitle; or a planning or technical service or an energy audit, if the service or audit is related to or undertaken with the installation, or the modification of an installation of an item specified in item (1) of this section.