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A friend in NW OH put a ground loop system in 10+ years ago, says heating and cooling is almost free. It was worth while for him because he is a backhoe operator and did all the outside work himself. His whole front yard was loops of trenches, would have been very expensive to hire the work done. I considered both the loop and open well approach. Ground is to rocky where I am for yard loop and illegal for open well so I keep paying high heating bills.
Jeb
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