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Tag:

water heaters

Are You in Hot Water?

written by Walter Wang

No disrespect to the members of the Polar Bear Club, but those people are crazy. Becoming a human Popsicle® by swimming in a cold body of water in winter? Um, no thanks.

Like most of us, I prefer my showers hot. So, Mythbuster Woman is here today to keep you in hot water. Literally.

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March 26, 2012 0 comment
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On Rooftops Worldwide, A Solar Water Heating Revolution

written by Walter Wang

The harnessing of solar energy is expanding on every front as concerns about climate change and energy security escalate, as government incentives for harnessing solar energy expand, and as these costs decline while those of fossil fuels rise. One solar technology that is really beginning to take off is the use of solar thermal collectors to convert sunlight into heat that can be used to warm both water and space.

China, for example, is now home to 27 million rooftop solar water heaters. With nearly 4,000 Chinese companies manufacturing these devices, this relatively simple low-cost technology has leapfrogged into villages that do not yet have electricity. For as little as $200, villagers can have a rooftop solar collector installed and take their first hot shower.

This technology is sweeping China like wildfire, already approaching market saturation in some communities. Beijing plans to boost the current 114 million square meters of rooftop solar collectors for heating water to 300 million by 2020.

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March 15, 2010 0 comment
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