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Intro
What is DX Geothermal? - Direct Exchange Geothermal explained
Copper Piping of DX Geothermal vs. common HDPE - The risk of Corrosion
Oil in the Refrigerant - The risk of Oil Logging
Refrigerant requirements - Make sure it has low greenhouse warming potential
DX Geothermal Costs compared to standard Geothermal
The Importance of the Contractor / Installer