Precise I-U characteristic measuring devices for the photovoltaic industry. We have been developing, building and selling high-quality I-V characteristic curve measuring devices for testing photovoltaic modules, strings and arrays in various performance classes for 20 years. These measuring devices are used worldwide by well-known companies and institutions.
Our solar collectors are manufactured in Dollnstein and are therefore also "Made in Germany".
Renusol is specialised in the manufacture and sales of solar mounting systems for all types of roof and was founded in 1997. From its headquarters in Cologne, the company manages its businesses in all core markets in Europe, the Middle East and Africa. With more than 20 years of experience and the delivery of mounting systems for more than 3 Gigawatts to more than 48 countries, Renusol is one of the key players in the PV industry.
ReRa Solutions is an expert in the development of Photovoltaic tools and software.
The RESOL product range includes a range of high-class solar thermal and heating controllers as well as a broad variety of accessories for the efficient use of energy. All RESOL products are future-oriented, sophisticated and unique in their design. Just like our ideal: nature!
Ritter XL Solar stands for large-scale, high-performance solar thermal energy. Our team of experienced engineers and physicists has implemented most of the large German solar thermal systems in recent years and has continuously developed the system technology further. We deliver tailor-made solutions for the solar thermal support of heating networks, regardless of whether they are small rural networks, urban districts or classic urban district heating. The system technology from Ritter XL Solar is based on the AquaSolar system, the combination of evacuated tube collectors for maximum performance with water as the heat transfer medium and a sophisticated system control. The AquaSolar system is ecologically consistent and offers the highest yields for many years thanks to almost wear-free operation.
Roth solar systems - using the sun with the latest technology. The sun radiates an immense amount of energy to the Earth. The solar radiation on the globe of half an hour would be enough to meet the worldwide energy demand. Germany has 1.353 million square metres of technically suitable area available for the usage of solar energy. Roth offers the swimming pool absorber HelioPool® for direct solar swimming pool water heating in a continuous flow principle.
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