Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes; flues and installations for conveying exhaust gas; sanitary installations, water supply and sanitation equipment; filters for industrial and household use; industrial treatment apparatus and installations; industrial ovens, boilers, burners and furnaces; regulating and safety accessories for water and gas installations; heating, ventilating, and air conditioning and purification equipment; igniters; heating elements and filaments; flues for heating apparatus and installations; flues for ventilating apparatus; flues for boilers; burners, boilers and heaters; heating apparatus and installations for solid, liquid or gaseous fuels; central heating installations and apparatus; underfloor heating apparatus and installations; mobile heating apparatus and installations; gas heater; electric heater; solar heater; water heaters; gas fired boilers; oil fired boilers; boilers for water heating; boilers for central heating; electric boilers; wall boilers; condensing boilers; biomass boiler; furnace boilers; accumulation boilers; gas burners; flat heating elements; tubular heating elements; electrical heating elements; electric heating fans; electric heating cables; electric heating foils; electric heating filaments; solar heating apparatus and installations; photovoltaic apparatus and installations; air heating apparatus and installations; air and water treatment apparatus and installations; radiators; electric radiators; HVAC installations (heating, ventilation and air conditioning); heating, ventilating and air conditioning and purification equipment (ambient); combined heating and air conditioning apparatus and installations; combined heat and power apparatus and installations; heat pumps; filters being part of a heating apparatus and installation; heat exchangers; gas condensers; gas manifolds; gas scrubbers; humidifiers for central ; heating radiators; boiler pipes [tubes] for heating installations; coils [parts of distilling, heating or cooling installations]; control and regulating accessories for gas equipment, gas devices and gas piping; expansion tanks for central heating installations; water storage tanks; recuperators for pre-heating combustion air in heating systems by the use of hot flue gas; valves being parts of heating apparatus and installations; water ventilating installations; installations for controlling the flow of fluid; water distributor armatures for heating; faucets; valves for water equipment; parts and accessories for all the aforesaid goods, included in this class.

Construction services; construction of heating, cooling, steam generating, drying, ventilating and water supply apparatus, instruments and installations; construction of HVAC installations (heating, ventilation and air conditioning); construction of burners, boilers and heaters; construction of parts and fittings of heating, cooling, steam generating, drying, ventilating and water supply apparatus, instruments and installations; construction of measuring, detecting, monitoring and analyzing apparatus, instruments and installations; construction of maintaining and controlling apparatus, instruments and installations; construction of safety systems related to heating apparatus and installations; installation, cleaning, repair and maintenance services; installation, maintenance, servicing, repair and replacement of heating, cooling, steam generating, drying, ventilating and water supply apparatus, instruments and installations; installation, maintenance, servicing, repair and replacement of HVAC installations (heating, ventilation and air conditioning); installation, maintenance, servicing, repair and replacement of burners, boilers and heaters; installation, maintenance, servicing, repair and replacement of parts and fittings of heating, cooling, steam generating, drying, ventilating and water supply apparatus, instruments and installations; installation, maintenance, servicing, repair and replacement of measuring, detecting, monitoring and analyzing apparatus, instruments and installations; installation, maintenance, servicing, repair and replacement of maintaining and controlling apparatus, instruments and installations; installation, maintenance, servicing, repair and replacement of safety systems related to heating apparatus and installations; installation, maintenance, servicing, repair and replacement of solar heating apparatus and installations and photovoltaic apparatus and installations; retrofitting of heating, cooling, steam generating, drying, ventilating ; and water supply apparatus, instruments and installations; retrofitting of HVAC installations (heating, ventilation and air conditioning); retrofitting of burners, boilers and heaters; retrofitting of parts and fittings of heating, cooling, steam generating, drying, ventilating and water supply apparatus, instruments and installations; retrofitting of measuring, detecting, monitoring and analyzing apparatus, instruments and installations; retrofitting of maintaining and controlling apparatus, instruments and installations; retrofitting of safety systems related to heating apparatus and installations; retrofitting of solar heating apparatus and installations and photovoltaic apparatus and installations; cleaning services relating to heating, cooling, steam generating, drying, ventilating and water supply apparatus, instruments and installations; cleaning services relating to HVAC installations (heating, ventilation and air conditioning); cleaning services relating to burners, boilers and heaters; cleaning services relating to parts and fittings of heating, cooling, steam generating, drying, ventilating and water supply apparatus, instruments and installations; cleaning services relating to measuring, detecting, monitoring and analyzing apparatus, instruments and installations; cleaning services relating to maintaining and controlling apparatus, instruments and installations; cleaning services relating to safety systems related to heating apparatus and installations; cleaning services relating to solar heating apparatus and installations and photovoltaic apparatus and installations; provision of information, consultancy and advisory services relating to the installation, maintenance, servicing, repair, retrofitting and replacement of heating, cooling, steam generating, drying, ventilating and water supply apparatus, instruments and installations; provision of information, consultancy and advisory services relating to the installation, maintenance, servicing, repair, r; etrofitting and replacement of HVAC installations (heating, ventilation and air conditioning); provision of information, consultancy and advisory services relating to the installation, maintenance, servicing, repair, retrofitting and replacement of burners, boilers and heaters; provision of information, consultancy and advisory services relating to the installation, maintenance, servicing, repair, retrofitting and replacement of measuring, detecting, monitoring and analyzing apparatus, instruments and installations; provision of information, consultancy and advisory services relating to the installation, maintenance, servicing, repair, retrofitting and replacement of safety systems related to heating apparatus and installations; provision of information, consultancy and advisory services relating to the installation, maintenance, servicing, repair, retrofitting and replacement of solar heating apparatus and installations and photovoltaic apparatus and installations.