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Solar hot water delivered quicker and cheaper
Posted by Cathy Debenham on 20th July 2010 at 9:10 am
A system that delivers solar water heating at a lower cost, quicker installation and with no need to buy a new cylinder was one of the finalists in the 2010 Ashden Awards for sustainable energy. John Willis invented the Willis Solasyphon because he found that the cost and disruption of installing…
Posted in: Solar heat & hot water
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