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Copper Line Sets for Geothermal Split Systems

Copper Line Sets

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Many geothermal heat pump installations use high density plastic pipe loops to exchange heat, but a direct exchange system with copper line sets is a viable alternative. In a direct exchange (DX) ground-source system, refrigerant circulates through the copper in direct contact with the soil. The reliance on copper allows a slightly higher operating efficiency, but proper installation is critical.
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