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"Search Google on Geothermal and you will find a hundred companies using the word to describe ground source heat pumps, two systems that have one thing in common only: they sit on and in the ground. Even government organizations muddy the story by"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/jargon-watch-geothermal-vs-ground-source-heat-pump.html>