The solution features a set of pipes that spread a thin film of water onto the glass surface of the panels in rooftop PV systems and ground-mounted plants. The cooling systems collect the water ...

An international group of researchers has investigated how rooftop photovoltaics may act as a shading and cooling agent for uninsulated buildings in moderate dry and warm climate zones.

Retrofitting homes with energy-efficient heating and cooling systems or rooftop solar is expensive up front but can save people money in the long run, they said. And lower-income homeowners and ...