EGO Smart.Solar.Box has abandoned glass for a lighter and more resistant material: LEXAN®. We have reduced the weight but not the quality, and we have improved performance. The new panel in LEXAN® considerably reduces the dispersion of heat compared to traditional glass, it eliminates the condensation effect, and it increases resistance to adverse weather conditions. Lastly, the exclusive design of the frame makes the solar water heater very similar to an attic window. As the saying goes: “Less is more!