Apr 05 2015

The Environmental Protection Agency (EPA) and the Department of Energy (DOE) agree that geothermal ground source heat pumps are the most efficient, cleanest and most cost-effective indoor comfort systems on the market. Unlike air source heat pumps, these systems draw on renewable energy from the ground to heat or cool your Carrolton home.
In heating mode, they are almost 50 percent more efficient than gas furnaces and 75 percent more efficient than oil furnaces. In cooling mode, they are almost 45 percent more efficient than standard air conditioners. They can multitask as hot water heaters, and they produce fewer greenhouse gas emissions than furnaces. Because they don’t burn fuel, there is no risk of carbon monoxide poisoning.

Do Geothermal Heat Pumps Have Other Advantages Over Air Source Heat Pumps?

Yes! Unlike air source heat pumps that generally last from 10-15 years with good maintenance, ground source systems can last for up to 25 years. Because ground source heat pumps use the relatively stable temperatures of the earth for heating and cooling, they can achieve efficiencies of from 300 to 600 percent on even the coldest days. Air source heat pumps, on the other hand, are able to achieve only 175 to 250 percent efficiencies on cool days. Additional benefits include:

  • Like air source heat pumps, ground source systems both heat and cool your home
  • Geothermal systems can save you up to 50 percent on hot water heating bills
  • Super quiet operation indoors and out
  • The underground piping of a ground source system comes with a warranty of up to 50 years
  • Geothermal heat pumps require very little maintenance

Why Should I Invest in a Geothermal Installation?

When you invest in a ground source heat pump, you can recoup your initial investment within a few years. In fact, the energy savings are generally greater than the cost of the geothermal installation. Residential customers who purchase a ground source system may qualify for utility rebates and energy-saving incentives. Through December 31, 2016, Carrolton homeowners who purchase an ENERGY STAR-qualified geothermal installation can receive a 30 percent federal tax credit.

To learn more about how a geothermal heating and cooling system can save you money, keep you more comfortable and raise the property value of your Carrolton, GA, home, check out the most popular types of ground source heat pumps at Gray’s Heating & Air Conditioning or call 1-843-689-3111.


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