Assertion: geothermal heat pump | /r/HasProperty | ground source
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Source sentences:
text: Accordingly they are classified as air source, water source and geothermal heat pumps (ground source).
text: Complete installation of a geothermal heat pump (ground-source or water-source) can cost $10,000-$25,000 or more, depending on the length and depth of the underground pipes, soil conditions and other excavation and installation factors.
text: The geothermal heat pumps are ground source units that transfer heat from the ground to your home.