The United States Department of Energy’s Energy and Renewable Energy task force believes that proper energy efficiency retrofits combined with responsible energy use could cut United States energy usage by at least 40%. With simple household changes such as weatherizing, turning off lights in rooms not in use, and using passive solar heating and lighting, the United States has huge potential for cutting energy costs. If energy efficiency is combined with cheap renewable energy sources, powering a home could become dirt cheap. Here is a list of home retrofits provided by the United States Department of Energy.
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