Combination power-heat system created

U.S. grocery stores, schools, hotels and hospitals are likely candidates for a high-efficiency system that provides heating, cooling and electric power.

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<p><a href="http://www.physorg.com/news5772.html">Combination power-heat system created</a></p> <p>U.S. grocery stores, schools, hotels and hospitals are likely candidates for a high-efficiency system that provides heating, cooling and electric power. </p>