Geothermal heat pump (IMAGE)
Caption
Operation of a geothermal heat pump. From US Department of Energy. Geothermal heat pumps, https://www.energy.gov/energysaver/geothermal-heat-pumps [accessed 11.04.25].
Credit
Geothermal Systems in the Energy Transition Era (2026). DOI: https://doi.org/10.1016/C2024-0-00994-0
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