Plumbing; Air-conditioning apparatus washing services; Air-conditioning system installation and repair; Air conditioning apparatus installation and repair; Air conditioning contractor services; Air conditioning vent sealing services; Plumbing and gas and water installation; Plumbing contractor services; Plumbing services; General contractor services, namely, plumbing, heating and air conditioning, carpentry, drywall, painting, electrical, building and framing contractor services; 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 systems; Installation of plumbing; Installation of plumbing systems; Installation of environmentally compliant HVAC equipment; Installation of heating, refrigerating, air-conditioning, drying, ventilating and dust extraction apparatus; Installation of heating, ventilation and air-conditioning systems; Installation, maintenance and repair of air-conditioning apparatus; Installation, maintenance and repair of air-conditioning systems; Installation, maintenance and repair of cooling and air-conditioning systems for temperature-controlled environments; Maintenance and repair of air-conditioning apparatus; Maintenance and repair of heating, refrigerating, air-conditioning, drying, ventilating and dust extraction apparatus; Maintenance of air conditioners; Maintenance of plumbing; Maintenance of plumbing installations or HVAC systems; 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 maintenance of air-conditioning apparatus; Repair and maintenance of heating, refrigerating, air-conditioning, drying, ventilating and dust extraction apparatus; Repair of air-conditioning apparatus; Repair of air conditioners; Repair of household appliances and of residential heating, plumbing, air conditioning, and electrical systems; Repair or maintenance of air-conditioning apparatus