PEOPLE + JOBS SERVICES VALUES A company of We are a medium-sized company with over 80 years of tradition. With 150 of our own employees, we develop demanding large-scale projects in technical building systems engineering, which include the heating, ventilation, sanitary, refrigeration, air conditioning and MSR trades. Wefers Technik GmbH Ruth-Hallensleben-Strasse 3 50739 Cologne Tel. 02 21/95 56 65-0 info@wefers.com Contact 24 hours Emergency service Terms of contract imprint data protection