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Image 1: In this illustration, the multicolored (blue and green) bubble represents the new measurements of the emission of particles known as energetic neutral ...
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Added: 20th November 2009
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American Solar Electric donated a 5kWh PV solar electric system to Habitat for Humanity for use in the construction of a net-zero-energy home in Phoenix. The ho...
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Added: 19th November 2009
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One of the most important components of a tightly sealed house or a super-sealed Passive House is a fresh air system. Often they are heat recovery ventilators, ...
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Added: 18th November 2009
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