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A ground-coupled heat exchanger is an underground heat exchanger that can capture heat from and/or dissipate heat to the ground. They use the Earth's near constant subterranean temperature to warm or cool air or other fluids for residential, agricultural or industrial uses.
A heating system is a mechanism for maintaining temperatures at an acceptable level; by using thermal energy within a home, office, or other dwelling. Typically, these systems are a crucial part of an HVAC (Heating, Ventilation, and Air Conditioning) system.
Ground-source heat pumps take advantage of the difference between the ambient temperature and the temperature at various depths in the ground. The thermal properties of the ground near the surface [2] [3] can be described as follows: In the surface layer to a depth of about 1 meter, the temperature is very sensitive to sunlight and weather.
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In these areas, ground and groundwater can be found with temperatures higher than the target temperature of the application. However, even cold ground contains heat. Below 6 metres (20 ft), the undisturbed ground temperature is consistently at the mean annual air temperature, [3] and this heat can be extracted with a ground source heat pump.