Solar thermal energy for industrial heat with ENESTRA
Our partners for bringing your projects to life. (Excerpt)
STI Solar-Technologie-International GmbH
If flat-plate collectors are the optimal solution for your project, we will first consider using STI flat-plate collectors, as we have had nothing but positive experiences with STI.
STI has been developing and manufacturing high-performance solar thermal systems for 15 years and, thanks to its excellent price-performance ratio, ranks among the leading German suppliers of state-of-the-art flat-plate collectors.
STI’s many years of experience enable project-specific optimization of the entire solar thermal system. The existing production capacities and inventory in Meerane guarantee the ability to provide customized deliveries for projects of all sizes—both for the collectors and all other required system components.



Zeus Energy and Environmental Systems GmbH
Because having a single experienced team handle the installation, maintenance, and servicing is the best way to ensure the successful implementation of your project, we always turn to Zeus GmbH in Zwönitz first when it comes to project execution.
Zeus GmbH is a specialized partner for the construction of CHP plants of all sizes and capacities, highly efficient energy and heat generation systems, boiler systems, and district heating networks, with over 20 years of experience.
Zeus GmbH in Zwönitz has evolved into an innovative manufacturing and installation company and a certified welding firm. In its on-site production facility in Zwönitz, the company manufactures its own steel and stainless steel products and prepares all the fasteners required for your project.


