Geothermal Heating

Written by Courtney Salinas
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Ever notice that after a hot day when the sun has set, the ground is still warm? This is the principle geothermal energy is built on. Geothermal energy is solar energy that the Earth has been storing up over time. About 50 percent of the energy that reaches the Earth from the sun is absorbed into the soil. Geothermal energy harnesses the Earth's natural ability to retain solar heat. Even in areas where there is a winter frost line in the soil, geothermal energy can still be used.

Efficient Heating

Geothermal energy is conducted by fluids that are pulled through pipes in the ground. The ground's heat is transferred to the fluid, which is then compressed and the heat is released into the air. Because geothermal heating uses heated fluid to heat the home instead of heated air, which conventional heating systems use, geothermal heating is much more efficient.

Clean Energy

Most of us use combustion energy in our homes, or energy that requires the burning of fuel. Electric heating systems burn fuel at the power plant and gas and boiler systems use on site combustion. Combustion creates by-products, however, that are released into our atmosphere. Geothermal energy naturally exists. No combustion is involved. It doesn't have to be created like fossil fuels do, so there is little or no gases produced while using it.

Renewable Energy

Geothermal energy is also a renewable energy source, unlike fossil fuels. Fossil fuels take millions of years to create and cannot be reused. The sun is always shining and always producing new geothermal energy.


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