High Energy. High Performance.

After intensive research and development we proudly present the global innovation"SolBox".

First to be seen at the ISH 2015 in Frankfurt, Germany.


Sonnenkollektor FINO


As a manufacturer of solar thermal flat plate collectors the STI SolarTechnologie International GmbH offers latest technology for environmentally friendly heating with solar thermal plants. Inform yourself about our high-performance flat plate collector FKA - available in three different sizes, two designs, horizontal and vertical - and about our solar collector FINO - the collector in hand-bag dimension.

The STI Solar Technologie International GmbH has a wide range of products: You are interested in a photovoltaic-module which fits to a solar thermal plant for a hybrid-roof? In this case you will find relevant information on this website, as well. Get information about our patented Drain Back systems or about the possibilities to a cooperation with OEM customized solar thermal panels.

We support you with technical documents for all our products. Qualified knowledge about solarthermics as well as about possibilities of subsidies for solar plants is provided by the team of STI Solar Technologie International GmbH.


You are interested in our products? Take a look at the advantages the solar thermal panels of STI Solar Technologie International GmbH at this overview!