Home energy assessment services for the purpose of determining home improvements needed to improve energy use and efficiency; Installation and maintenance of photovoltaic/solar thermal hybrid installations; Installation and maintenance of solar thermal installations; Installation of doors and windows; Installation of solar energy systems and alternative energy products for residential and commercial use; Installation of skylights, roof windows, and solar window blinds; Installing siding; Repair and installation services, namely, the installation of heating, cooling and environmental control systems primarily using solar energy, renewable energy resources and rainwater; Roofing consultation; Roofing contracting; Roofing installation; Roofing repair; Roofing services