Nowadays, we are deciding to use more and more renewable energy sources.
One of them, is geothermal energy. This form of energy is on Earth in abundance, but the exploits is very little. In majority, geothermal water from deep wells is using for heating. The use of heat for electricity production has increased in recent years. Heat, located in the interior of Earth, can be obtained with so-called downhole heat exchanger. In these case, the medium does not come in contact with the rocks in Earth interior, because this system is closed up. Heat, is leading by suspension of water and glycol into the heat pump, and from here into the system of heating or cooling in the building.
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