Air-conditioning installations; Air cooling apparatus; Air purifiers; Air purifying apparatus and machines; Refrigerating appliances and installations; Ventilation air-conditioning apparatus for heating and cooling, namely, HVAC units; Fans for HVAC units; Solar thermal panels, namely, solar heat collection panels; Solar energy collectors for heating; Evacuated heat pipe solar collectors; heat exchangers not being parts of machines; Solar thermal collectors for heating; Heat regenerators in the nature of heat exchangers not being parts of machines; Heat recovery apparatus, namely, heat recovery ventilators; Heat accumulators; Heat generators; Heat exchangers, other than parts of machines; Heat exchangers for the production of electricity not being parts of machines; Air heat recovery installations, namely, heat recovery ventilators; Air heat recovery apparatus, namely, heat recovery ventilators; solar collectors, namely, solar energy collectors for electricity generation; Solar heat collection panel arrays; parabolic mirrors for the accumulation of solar energy | Maintenance of HVAC and refrigeration systems; Maintenance, repair, and installation of HVAC systems; Heating contractor services; Heating equipment installation and repair; Installation, repair and maintenance of heating equipment; Maintenance and repair of heating installations; Heating furnace installation and repair; Air conditioning apparatus installation and repair; Air conditioning contractor services; Installation and repair of air conditioning apparatus; Repair or maintenance of air-conditioning apparatus; Electrical contracting; Electrical contractor services; Installation of electrical systems; Maintenance of heating, ventilation and air conditioning systems, plumbing installations; Plumbing; Plumbing contractor services; Plumbing services; Plumbing installation; General contractor services, namely, plumbing, heating and air conditioning contractor services; Contractor services, namely, review of and remedial recommendations for heating, air conditioning, ventilation, plumbing, electrical systems for others; Installation and replacement service for heating, ventilating and air conditioning systems; Installation and repair of heating, ventilating and air conditioning equipment; Installation, maintenance and repair of commercial and residential heating, air conditioning, ventilation, plumbing, and electrical systems and equipment; Maintenance of heating, ventilation, and air conditioning systems, plumbing systems, and electrical systems; Repair of residential and commercial heating, plumbing, air conditioning and electrical systems; Comprehensive preventative maintenance service for heating, air conditioning, ventilation, plumbing and electrical equipment and systems; Installation, maintenance and repair of attic insulation, radiant heat barriers, radiant heat resistant films, and attic ventilation systems; Installation of insulating materials; Installation, maintenance and repair of air conditioning and heating system duct work; Air conditioning vent sealing services; Installation and maintenance of solar thermal panels and systems; Installation of solar energy systems and alternative energy products for residential and commercial use; Installation, maintenance and repair of home automation systems, namely, door locks, cameras, smoke alarms, fire alarms, wireless local area network thermostats, image sensors, access controls, alarm monitors, and water shutoff controls; Providing technical support, namely, technical advice concerning the installation, repair and maintenance of electric or electronic apparatus, equipment and devices used for home automation systems and automated home security systems; Installation and maintenance of fire alarm, detection and suppression systems; Construction consultation and planning in the field of energy efficiency and sustainable construction in connection with building, renovations and improvements; home energy assessment services for the purpose of determining home improvements needed to improve energy use and efficiency; installation of energy efficient goods, namely, insulation, HVAC systems, lighting, windows, solar voltaic panels, and solar thermal panels in connection with building, renovations and improvement
Ventilation air-conditioning apparatus for heating, namely, HVAC units; Fans for HVAC units; Solar thermal panels, namely, solar heat collection panels; Solar energy collectors for heating; Evacuated heat pipe solar collectors; heat exchangers not being parts of machines; Solar thermal collectors for heating; Heat regenerators in the nature of heat exchangers not being parts of machines; Heat recovery apparatus, namely, heat recovery ventilators; Heat accumulators; Heat generators; Heat exchangers, other than parts of machines; Heat exchangers for the production of electricity not being parts of machines; Air heat recovery installations, namely, heat recovery ventilators; Air heat recovery apparatus, namely, heat recovery ventilators; solar collectors, namely, solar energy collectors for electricity generation; Solar heat collection panel arrays; parabolic mirrors for the accumulation of solar energy
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