Research and development centre is the biggest single investment in the company’s 100-year history Allendorf (Eder), April 12, 2017 – German Chancellor Dr. Angela Merkel and Tarek Al-Wazir, Minister of Economics, Energy, Transportation and Regional Development of the state of Hesse, have opened the Viessmann Innovation Centre (“Technikum”), the Viessmann Group’s new technological research and […]