Heating systems and room heating appliances, in particular infrared heating apparatus and installations, namely, heating radiators, heating balls for ceiling suspension for heating buildings through infrared heat; heating elements, namely, heating panels for wall fastening for heating buildings through infrared heat; heating columns for heating buildings through infrared heat; and control devices for each of the aforementioned goods all sold as a unit; water heaters and gas operated hot water accumulators for domestic use; swimming pool heating installations, namely, heaters and pumps sold in combination for use in swimming pools; sauna installations, namely, infrared saunas and cabins

Installation, maintenance and repair of heating systems and room heating appliances, in particular of infrared heating apparatuses and heating installations

Construction drafting of heating systems and room heating appliances, in particular of infrared heating apparatuses and installations; design of heating appliances and heating systems, in particular of infrared heating apparatuses and installations and parts thereof