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Solar heating 'can provide over half of households' hot water'

Adam Vaughan, the Guardian
13 October 2011

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A year-long study also reveals green energy devices will save owners £55 a year despite costing between £3,000-5,000

Solar heating systems can provide over half of households' hot water needs, according to the largest ever field trial of the green energy devices. But the year-long study, undertaken at 88 homes by...