Geothermal (disambiguation)
Geothermal is related to energy and may refer to:
- The geothermal gradient and associated heat flows from within the Earth
Renewable technology
- Earth sheltering, constructing a building into a hill side or Earth berm to reduce heating and cooling requirements
- Earth cooling tubes, using ambient Earth temperature to cool and dehumidify air
- Geothermal desalination, the production of fresh water using heat energy extracted from underground rocks
- Geothermal heating, methods of heating and cooling a building using underground heat
- Geothermal electricity, electricity generated from naturally occurring geological heat sources
- Geothermal heat pump, a device used for heating and cooling using the earth as a heat reservoir
- Direct exchange geothermal heat pump, a method of heating and cooling with the energy of the earth using direct exchange of heat
- Hot dry rock geothermal energy, Heating water in hot deep rock