37 Home energy assessment services for the purpose of determining home improvements needed to improve energy use and efficiency; installation of energy saving devices, namely, the installation of compact fluorescent light bulbs, the installation of power control strips on power outlets, the installation of weatherstripping and gaskets for sealing on doors, the installation of programmable thermostats, the installation of insulation blanket for hot water tanks, the installation of low flow showerheads, and the installation of low flow sink aerators; maintenance and repair of heating and air conditioning systems, namely, duct cleaning, pipe cleaning, drain cleaning, pipe unclogging, sewer unclogging, leak repair, fixture repair; maintenance and repair of electric and gas appliances, namely furnaces, boilers, air conditioners, gas fireplaces, air cleaners, humidifiers, dehumidifiers, water heaters, ranges, ovens, microwave ovens, grills, fans, refrigerators, freezers, dishwashers, garbage disposals, washers, dryers, space heaters