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What is a geothermal heat pump system?
It is a clean, “green”, renewable form of energy we can use to heat and cool our homes. Geothermal systems help reduce our dependence on other forms of energy and reduces environmental impacts and climate change. You may also hear geothermal referred to as “ground source” as it relies on the constant temperature of the ground rather to transfer heat rather than the fluctuating temperature of the air as in a conventional “air source” heating and cooling heat pump system.
While there is some temperature variation at the surface of the earth, the temperature below the frost line remains relatively constant. This allows the geothermal system to access this heat in winter and dispel the heat back into the ground in summer. Geothermal heat pumps are able to heat and cool homes and businesses by moving the available heat out of the earth in winter and back into the earth in summer.
Geothermal heat pump systems are similar to conventional air source systems in that they have either package or split equipment and they distribute the air using a duct system. In contrast to an air source system, a geothermal system also requires a loop system which is installed in the ground. This loop system is what transfers the heat to and from the ground. Depending upon the specific job, the geothermal loop system may be either a closed loop system, an open loop system, or a pond loop system.
Geothermal systems can lower utility bills 25-70%, have lower maintenance costs, and provide higher levels of comfort than air source systems. In addition, a geothermal unit has a much longer lifespan than conventional air source unit as all the equipment is installed within the envelope of the home, protected from the elements. There are also significant tax credits available for installation of geothermal heating and cooling systems. Call for details.
Want to see if geothermal is right for you? Our Comfort Consultants are happy to meet with you and discuss your specific needs. Call today for a FREE consultation! Also check out our sister site at www.LowcountryGeo.com for more information.