Geothermal Loop

The type of loop field used in a geothermal system (e.g., heat pump)

Data Type: 
Constrained List
Category: 
Unit of Measure: 
None
List Options Option Definition Unit of Measuresort descending
Open An open loop field, sometimes called "pump & dump", requires an ample source of groundwater. Open loops are less common than closed loops because they require an significant water source below the surface. None
Closed Most systems are closed loop, meaning that the same water & environmentally friendly antifreeze mixture is continually circulated throughout the loop field; it never escapes. Closed loop is the only type of loop field allowed by some states. None
Other Other None
Unknown Unknown None
None None None
Not applicable Not applicable None
Term ID: 730dd6ec-cda1-4b63-b664-93fecc07cc38
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