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Evacuated tubes: make sure you don’t get burnt
Posted by Gabriel Wondrausch on 4th February 2009 at 8:34 am
Evacuated tube collectors are the Formula One of the solar thermal world. They are more efficient than other types of collector as they are almost perfectly insulated, and heat cannot pass through a vacuum. As the tubes are cylindrical, they are always perpendicular to the sun reducing the amount of…
Posted in: Solar heat & hot water
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