This new invention burns up to 25 watts of electricity per square foot by turning the glass into an electric heater . They say it is more energy efficient because it eliminates drafts, and the conventional heating system doesn't have to work as hard."
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Heat producing windows
(via www.treehugger.com)
Submitted by the.cloned on Sat, 2008-04-26 17:46. | Tags: technology | energy efficient | heat | technology
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