9
Measuring, control and regulating apparatus for measuring, regulating and controlling apparatus for heating, refrigerating, air conditioning, drying and ventilating purposes; Thermal sensors [thermostats]; Pressure control and safety valves; Energy control devices; Energy accumulators; Thermal energy measuring apparatus; Solar collectors; Solar cells for collecting solar heat; Solar cells for electricity generation; Solar batteries; Remote controls for heating and solar installations; Fuel cells; Computer software, in particular software for the planning and calculation of heating installations and software for operating boiler and solar installations
11
Apparatus and installations for heating, steam generating, refrigerating and ventilating purposes and parts and components therefor, singly or being assemblies; Apparatus for producing hot water; Heat regulators; Heat pumps; instantaneous water heaters; Hot water cylinders; Pressure water tanks; Central heating systems and components therefor, included in class 11; Heating apparatus for solid, liquid or gaseous fuels; Air-conditioning apparatus and installations; Air humidifying and air de-humidifying apparatus, and air dryers; Filters for air conditioning and air filtering installation; Ventilation units; Heat exchangers and heat regenerators; Adsorption and absorption heat pumps; Solar collectors for heating; Flues and pipes for heating boilers; Fuel cell-operated heating apparatus; Refrigerators; Water treatment apparatus and installations; Water softening and lime protection apparatus and installations; Boilers and burners for oil, gas and solid fuels; Ventilating apparatus (for air-conditioning); Air cooling apparatus
37
Assembly, installation, maintenance, cleaning and repair of combined heat and power plants, burners, fuel cells, electric apparatus, apparatus for treating water, heaters, heating installations, air conditioning installations, apparatus for refrigerating, installations and apparatus for ventilating, furnaces, photovoltaic installations, pumps, solar installations, power-generating installations, heat pumps, heat exchangers and water heaters, and of fittings and components for the aforesaid goods
42
Engineering in relation to development and calculation of heating, ventilating, air conditioning, drying and furnace installations, and of control and regulating devices; Architectural and construction drafting and consultancy; In particular with regard to energy-saving construction; Creation and installation of programs for data processing; Technical consultancy and providing of expertise