Closed-Loop Geothermal Heat Pump

{
  "id": "MLC-T-ENV-005290",
  "term": "Closed-Loop Geothermal Heat Pump",
  "field": "Environment",
  "definition": "Closed-loop (also known as \"indirect\") systems circulate a solution of water and antifreeze through a series of sealed loops of piping. Once the heat has been transferred into or out of the solution, the solution is recirculated. The loops can be installed in the ground horizontally or vertically, or they can be placed in a body of water, such as a pond.",
  "references": [
    "DOE Office of Energy Efficiency & Renewable Energy Glossary of Energy-Related Terms"
  ],
  "url": "https://mlchart.com/terminology/environment/closed-loop-geothermal-heat-pump/"
}