GET UNDER MY LAWN: Drill rigs like this one can operate at 8 feet and — paired with an operator trained specifically for the job — can suffice for many residential geothermal direct exchange projects.
MARTHA’S VINEYARD, MA — This geothermal rescue was for a closed loop geothermal system that was seriously overheating during the cooling season. This system had ten vertical loops that served 11 heat ...
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