News and Articles
07/10/2014 | News, Newsletter October 2014
Evacuated tube collector for large scale solar heating plants wins OTTI Innovation Award
A new Viessman evacuated-tube collector for large scale solar heating plants received the innovation award at the German OTTI Symposium on solar thermal energy in May 2014.

In May 2014 the German technology transfer organization OTTI awarded its solar thermal innovation prize to the Vitosol 200-T type SPL collector. This innovative collector technology from Viessmann should allow high efficiency especially at high temperatures. It is awaited that the collector will allow a cost effective use of solar thermal energy in district heating nets at collector temperatures up to 120 °C. The innovation consists in the combination of the rollbond heatpipe absorber technology which can be easily connected to a standard DN 50 tube of the district heating system.
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