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Dec 26, 2014 · A new analysis shows how much cheaper it is to heat water with PV modules than with solar thermal collectors.
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Mar 23, 2012 · The logic of using a PV system to heat water was first explained to me in early 2006 by Charlie Stephens, a policy analyst for the Oregon ...
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Martin quotes from a conversation with Charles Stephens to get across the main premise of the article: “If you want to do solar water heating and solar space ...
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