Solare Kompetenz
aus Sachsen


According to experts, the sun as we know it will exist for an unimaginable six billion years.

So there is still enough time to successfully use the sun's energy.

In the past, we have already been able to handle numerous smaller as well as large projects to the satisfaction of our customers. Now it is time to get started with your projects as well.


Hendrik Stengel, General Manager



STI in Saxony has been manufacturing high-quality solar collectors for more than 15 years. Thanks to automated production and state-of-the-art manufacturing processes, we manufacture collectors to the highest quality standards.



Foundation and start of collector production in Crimmitschau


Move to the current larger production site in Meerane


Development of the first generation system protection (DrainBack)


Installation of the first hybrid collector field (Solar thermal in combination with photovoltaics)


Collector optimization - FKF series


Integrated roof window


Certified heat pump collector

  • Collector production on approx. 3,000 m² production area
  • Training and Innovation Centre
  • Indoor test rig
  • Extensive machine park
  • Simulation/ design software

Our team

Christian Budgenhagen

Technical sales
03764 79561-26

send mail

Andreas Gey

Production / Installation service
03764 79561-21

send mail

Étienne Sauppe

Technique / Purchase
03764 79561-25

send mail

Sophie Förster

03764 79561-12

send mail

Bastian Schulz

03764 79561-14

send mail


10.08.2023    9-13Uhr

In addition to an extensive breakfast, the following topics on solar thermal energy await you:

  • Product presentation
  • Production­tour
  • Collector assembly demonstration
  • Demonstration initial operation SolBox
  • Expert practical advice

Trade Fairs

Currently there are no news items.