Air-conditioning apparatus washing services; Air-conditioning system installation and repair; Air conditioning apparatus cleaning services; Air conditioning apparatus installation and repair; Air conditioning contractor services; Air conditioning vent sealing services; Heating contractor services; Heating equipment installation; Heating equipment installation and repair; HVAC contractor services; Advisory services relating to the installation of heating and cooling apparatus; Electrical repairs and installation of heating and air conditioning equipment; General contractor services, namely, plumbing, heating and air conditioning, carpentry, drywall, painting, electrical, building and framing contractor services; Installation and maintenance of heating systems; Installation and repair of air-conditioning apparatus; Installation and repair of air-conditioning systems; Installation and repair of air conditioning apparatus; Installation and repair of heating, ventilating and air-conditioning systems; Installation and repair of heating, ventilating and air conditioning equipment; Installation and replacement service for heating, ventilating and air conditioning systems; Installation of air-conditioning apparatus; Installation of air-conditioning apparatus for use in clean rooms; Installation of air-conditioning systems; Installation of heating and cooling apparatus; Installation of heating apparatus; Installation of heating equipment; Installation of heating systems; Installation of heating, lighting and cooking apparatus; Installation of HVAC systems; Installation of environmentally compliant air conditioning and heating equipment; Installation of heating, refrigerating, air-conditioning, drying, ventilating and dust extraction apparatus; Installation of heating, ventilation and air-conditioning systems; Installation of solar heating systems; Installation, maintenance and repair of air-conditioning apparatus; Installation, maintenance and repair of air-conditioning systems; Installation, maintenance and repair of heating apparatus; Installation, maintenance and repair of heating systems; Installation, maintenance and repair of fire, smoke and heat alarms; Installation, maintenance and repair of fire, smoke and heat detectors; Installation, repair and maintenance of heating equipment; Maintenance and repair of air-conditioning apparatus; Maintenance and repair of heating installations; Providing information relating to the repair or maintenance of air-conditioning apparatus; Provision of information relating to the repair or maintenance of air-conditioning apparatus; Repair and installation services, namely, the installation of heating, cooling and environmental control systems primarily using solar energy, renewable energy resources and rainwater; Repair and maintenance of air-conditioning apparatus; Repair of air-conditioning apparatus; Repair of heating apparatus; Repair of household appliances and of residential heating, plumbing, air conditioning, and electrical systems; Repair or maintenance of air-conditioning apparatus