We all know that geothermal energy is a "clean" energy-but just how clean is the system itself?rnIt might not be as clean as you'd think. If debris is left in the system from its construction, it can ultimately reduce the efficiency and the life of the system.rnRalph Cadwallader, founder and CEO of Loop Tech International in Huntsville, Texas, a company specializing in geothermal installations, was surprised when he found this out. He then decided to do something to change it.
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