Lahntechnik GmbH

Lahntechnik GmbH, with its headquarters in Andernach and production plant in Nassau, is one of the leading manufacturers of custom refrigeration systems.


Together with its subsidiary Duotemp Kältetechnik (located at the manufacturing site in Nassau/Lahn), Lahntechnik generates annual revenues of over 17.5 million euros with its total of more than 150 employees. Lahntechnik specializes in the product areas water/oil coolers, circulating coolers, specially designed coolers, air cooling systems, as well as cooling solutions for the commercial refrigeration sector. Its subsidiary Duotemp Kältetechnik designs and supplies products for the areas of workpiece cooling systems, vapor condensers, as well as solutions for process cooling systems.


We regard ourselves as partners to our customers, and our aspiration is to develop, together with the customers, innovative and custom products and system solutions.