Electric appliance installation and repair; Electrical contractor services; Electrical repairs, maintenance, and installation of electrical wiring, outlets, light fixtures, and electrical panels; Installation and repair of heating, ventilating and air conditioning equipment; Installation and replacement service for heating, ventilating and air conditioning systems; Installation, repair and maintenance of heating equipment; Installation, maintenance and repair of electrical wiring, electrical outlets, light fixtures, electrical panels, and heating, ventilation and air conditioning systems; Maintenance and repair of heating installations; Plumbing services; Repair of household appliances and of residential heating, plumbing, air conditioning, and electrical systems