Air delivery apparatus for heating buildings; Air heating apparatus for commercial use; Air heating apparatus for industrial use; Air heating apparatus for residential use; Apparatus for domestic heating purposes; Apparatus for heating; Apparatus for water heating; Appliances for heating; Central heating apparatus; Central heating installations; Central heating radiators; Combined heating and air conditioning apparatus; Control devices (thermostatic valves) for heating installations; Domestic heating apparatus; Domestic heating appliances; Electric heating apparatus; Electric heating installations; Electrical appliances for heating; Electrical heating installations; Furnaces for central heating; Heat exchangers for central heating purposes; Heating apparatus; Heating boilers; Heating filaments, electric; Home heating installations; Hot air heating apparatus; Installations for heating; Mobile heating apparatus; Radiators (heating); Solar energy collectors for heating; Solar energy powered heating apparatus; Solar energy powered heating installations; Solar heating apparatus; Solar heating installations; Stoves (heating apparatus); Sunlight collecting apparatus for heating purposes; Thermal radiators for the heating of buildings; Thermal storage instruments (solar energy) for heating; Domestic boilers; Gas boilers; Combustion furnaces; Domestic combustion appliances; Cookers; Domestic pressure cookers (electric); Microwave cookers; Solar furnaces; Heat generating apparatus; Heat generating filaments; Heat pumps; Heat regenerators; Heaters; Convectors (radiators); Domestic radiators; Electric radiators; Radiators, electric; Ventilation apparatus

Central heating installation; Heating equipment installation; Heating equipment installation and repair; Heating equipment repair; Installation of apparatus for heating; Installation of central heating; Installation of heating apparatus; Maintenance and repair of heating; Cleaning of boilers; Installation of boilers; Maintenance of internal combustion engines; Installation of solar energy systems; Electric appliance installation; Electric appliance installation and repair; Furnace installation and repair; Installation of kitchen appliances; Installation of kitchen equipment; Kitchen equipment installation; Advisory services for maintenance; Advisory services relating to the maintenance of buildings; Building maintenance; Diagnostic maintenance services; Home maintenance services; Maintenance and repair of gas installations and equipment; Maintenance and repair of industrial apparatus; Maintenance and repair of utilities in buildings; Advisory services relating to the repair of buildings; Boiler repair services; Electric appliance repair; Machinery installation, maintenance and repair; Maintenance and repair of electrical apparatus; Repair of cooking apparatus; Repair of gas supply systems; Installation and repair of air conditioning apparatus