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Solar thermal roof tiles offered as alternative to solar panels

A solar thermal heating system by Swedish company SolTech looks a lot like the curved clay or concrete tiles that might normally adorn a roof. The tiles are made of ordinary transparent glass, allowing the sun to shine through onto the absorbing surface

September 28, 2012

A solar thermal heating system by Swedish company SolTech looks a lot like the curved clay or concrete tiles that might normally adorn a roof. The tiles are made of ordinary transparent glass, allowing the sun to shine through onto the absorbing surface underneath