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Geothermal Heating and Cooling: Everything You Need to Know

Tree in winter and spring
March 19, 2018

No matter what climate you may live in, temperatures will vary throughout the year. The air may be hot or cool, but did you know that the temperature below ground stays the same year round? As the sun hits the earth’s surface, the ground absorbs the heat. This natural phenomenon can be used to your advantage in your home: for cooling and heating.

How Geothermal Works

Geo means earth, and thermal means heat. Put those words together, and you get energy from under the ground. A piping system is put into place on your property that pumps water to absorb heat, and then return it to your home. Geothermal heating and cooling may sound far-fetched or difficult to achieve, however, it’s quite a simple process:

For geothermal heating, a heat pump utilizes the heat from the ground to heat your home. The warmed air is then sucked up from the system and through your ducts. In most cases, your current duct system can be used. Geothermal heating can be used for water and radiant floor heating as well.

For geothermal cooling, the process is simply reversed. The heat pump pushes warm air into the ground, leaving nothing but cool air to be spread throughout your home.


Here in Charleston, we experience both cold and hot weather. This makes us prime candidates for geothermal heat pumps. A WaterFurnace geothermal system is among the most proficient, energy efficient, and environmentally friendly methods of heating and cooling.  If you’re still on the fence about having a heating and cooling system installed in your home, here are some benefits that may change your mind:

  • Low operation price. Compared to traditional heating and cooling systems, a geothermal heat pump works far more effectively and efficiently. This can save you up to 70% for heating, cooling, and hot water.
  • Smooth operation. Because the system is void of an outdoor unit, your heating and cooling will be practically soundless.
  • Comfort. Geothermal systems are much more capable of even cooling, as they circulate both cold and warm air throughout your entire home with ease.
  • Reliability. All of the components of geothermal systems are either located in your home or underground. Because of this, they are far less likely to get damaged due to the rain, snow, ice, debris, temperature, or any other outside factors.
  • Environmentally friendly. Now more than ever, people are striving for environmentally friendly ways to continue living a comfortable lifestyle. Heating and cooling are no different, so our models emit no carbon dioxide, carbon monoxide, or any other greenhouse gasses. Keep you and your loved ones cool and comfortable, all while being eco-friendly!

Now that you know all of the benefits of geothermal heating and cooling, what are you waiting for? Call Custom Climate HVAC today for any questions that you may have!