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solar water heating graphic

Photo
Originally appeared in The Future of Solar Water Heating
on July 17, 2015
solar water heating graphic

Solar water heating converts solar radiation to conductive heat to raise water temperature. A pump circulates transfer fluid from the tank to the roof, where solar collectors absorb the sun’s thermal energy and heat the transfer liquid. The transfer liquid enters a heat exchanger, warming the water in the storage tank, and the hot water flows to a traditional or tankless water heater that provides backup heating when the sun isn’t shining.

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