How Geothermal Works

A geothermal system uses the energy of the sun, stored in the earth, to keep you in comfort all year round.The geothermal system consists of a geothermal unit, installed in your house, which is attached to a series of pipes buried in the ground. An ethanol solution is circulated through the pipes to make them highly efficient conductors of heat. The ethanol in the pipes absorbs the heat from the ground and is pumped back into the geothermal unit in the house. The unit extracts the heat from the ethanol solution, then distributes the heat throughout the house. In the summer, the whole process reverses itself. Heat is taken from the air in the house and transferred to the ground, which on warm days is cooler than the air.