Concealed Solar Hot Water
Image Credit: Dawn Solar
Solar hot water systems should be in use everywhere in the country. They are not terribly expensive to install, and the payback period on them is much shorter than it is for solar photovoltaic. Even in cold climates, it is possible to have a system with a heat exchanger and an antifreeze filled loop, so that the system can be run, even when nighttime temperatures are below freezing.
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