Air-conditioning apparatus; Air-conditioning apparatus; Air-conditioning apparatus and installations; Air-conditioning installations; Air-conditioning, air cooling and ventilation apparatus and instruments; Air conditioning apparatus; Air conditioning apparatus and installations; Air conditioning apparatus for industrial use; Air conditioning installations; Air conditioning units; Air filters for air conditioning units; Heat generators; Heat pipes to cool heat producing components; Heat pumps; Heat registers; Heating and cooling panels used for indoor heating and cooling purposes; Heating boilers; Heating elements; Heating furnaces; Heating installations; Heating panels used for indoor heating purposes; Heating systems composed primarily of tubes, pipes and manifolds through which warm or high temperature water circulates; Heating systems for residential and commercial buildings comprised of biomass burners, boilers, valves, pipes, manifolds, solar panels, control panels, switches and electrical wire, all sold as a unit; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, solar panels, control panel, switches and electrical wire, all sold as a unit; Heating units for industrial purposes; Automatic temperature regulators for central heating radiators; Boilers for heating installations; Central air-conditioning installations; Central heating boilers; Central heating radiators; Components for air conditioning and cooling systems, namely, evaporative air coolers; Hot water heating installations; Hot water tanks; Indoor radiant heating systems; Pavement heating apparatus; Pipe heating tape; Radiators

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; Advisory services relating to the installation of heating and cooling apparatus; 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 systems; Installation of heating apparatus; Installation of heating equipment; Installation of heating systems; 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; 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 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