Volver a Blog PRANA SMART – SolarGaps: the world’s first photovoltaic blinds septiembre 28, 2020 We present the first photovoltaic and intelligent blinds in the world SolarGaps; which capture the sunlight from your windows and convert it into energy. In addition, we will also present a range of Prana copper-based heat recovery units with an efficiency of up to 96 percent.