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What happens when the sun is not shining?

April 26, 2017happens Shining Sun

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What happens when the sun is not shining?

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• In general, a solar hot water heating system should be able to generate up to 80% of your hot water needs from solar energy. In the event that there are many cloudy days in a row, or you have increased demand in your hot water consumption (several guests spending the weekend at your house), a back-up heater kicks in and provides the required amount of hot water.