Millions of Israelis use 1950s tech rooftop solar devices for their hot water. Israel’s Tigi Solar (see here previously) has developed cellulose triacetate insulation that can heat the water to 100 degrees Centigrade, even in freezing winter conditions. It has … Continue reading →

Israeli company TIGI Solar was one of three winners in the solar-thermal category at this week’s Intersolar Europe Exhibition. TIGI won thanks to its “Honycomb Collector,” a new type of solar-thermal technology that uses a transparent insulation mechanism that significantly … Continue reading →