30% - 70% energy saving !!
30% -70% energy saving
Your energy costs Our mission
The team of the engineering office Lehmann in Kesselsdorf near Dresden, 20 years ago, put its main focus on the unbeatable laws of nature. Numerous patented inventions include the technical implementation with the Siegmund company, for pure water & pure air. With a patented process, we reduce the energy required for air heating or cooling in buildings by up to 70%! We also destroy bacteria and viruses, the rooms are dust and pollen free.
