solar heating

Harnessing the sun’s energy for water and space heating

Rooftop solar systems provide a simple, low-cost way to heat water and space.Photo: London PermacultureCross-posted from Earth Policy Institute. The pace of solar energy development is accelerating as the installation of rooftop solar water heaters takes off. Unlike solar photovoltaic panels that convert solar radiation into electricity, these “solar thermal collectors” use the sun’s energy […]