Tholen Gebäudetechnik

Founded in 1973, Tholen Gebäudetechnik is a limited company headquartered in Gangelt, Germany with approximately 101-200 employees specializing in Solar, Biomass, Hydrogen.

Tholen Gebäudetechnik is a mid-sized German building services company founded in 1973, operating across north-western Germany including Aachen, Cologne, Bonn, Düsseldorf, Duisburg, and Essen. The company specializes in electrical engineering, security technology, heating, ventilation, sanitary systems, and renewable energy solutions. Core offerings include photovoltaic installation and maintenance, innovative heating systems including heat pumps and combined heat-power systems, security systems, water supply systems, and energy storage solutions. The company employs approximately 140 staff and operates as a group of five subsidiary companies. It holds ISO 9001 certification since 1997 and DIN 14675 certification for fire alarm systems since 2006. The company actively supports apprenticeships in electrician, heating/sanitation/climate technician, and administrative roles.