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The ISO HEAT is a medium in accordance with DIN EN ISO 9001: 2008 certified private company a growing, motivated and qualified team of now approx. 50 employees. Since the year 2000, we have been manufacturing heat-technical products for industrial ap
The engineer Karl-Wilhelm Henn founded the company in February 1932 as "Karl-Wilhelm Henn Ingenieurbüro" with business premises in the Klockmannhaus, Kirchenallee, near the main railway station in the heart of Hamburg.