Solar Systems Brochure

Heliostar 218, 252 and 252 S4 flat collectors - high-tech products featuring an innovative polycarbonate case. Made of a closed polycarbonate case construction, the Roth Heliostar® unites high-tech material and mature technology. Polycarbonate is a perfect insulator. Due to this feature the thick walled polycarbonate case of the Roth Heliostar® assures optimal heat storage. In combination with the high performance absorber the Roth Heliostar® guarantees highest efficiency for decades.