What is a Geothermal HVAC System?

Did you know that the earth absorbs almost 50% of all solar energy and remains a nearly constant temperature of 50°F to 70°F depending on geographic location? Geothermal HVAC units utilize this constant temperature, through an underground loop system, to exchange energy between your home and the earth, as needed, for heating and cooling.

In the winter, water circulating inside a sealed loop absorbs heat from the earth and carries it to the unit. Here it is compressed to a higher temperature and sent as warm air to your indoor system for distribution throughout your home.

In the summer, the system reverses and expels heat from your home to the cooler earth via that same loop system. This heat exchange process is not only natural, but is a truly ingenious and highly efficient way to create a comfortable climate in your home.

What Are The Benefits of a Geothermal HVAC System?

Natural Savings
Over 70% of the total energy used in a typical home is for heating, cooling and water heating. With a geothermal heat pump system, up to 80% of this energy comes free directly from the earth.


Safety and Cleanliness
Geothermal systems use no flames to heat your home, so dangerous carbon monoxide and gas leaks are eliminated. The ClimateMaster Tranquility Series uses foil-faced insulation and a stainless steel drain pan for easy cleaning.

Track Record
Geothermal heat pumps are a reliable and proven technology that has been widely used for more than 30 years. Millions of geothermal heat pumps are in operation worldwide, keeping people comfortable in homes, schools, hospitals, military facilities, and many other buildings.

ClimaDryWhole House Dehumidification|
The ClimaDry option uses a patented technology to dehumidify your entire house, automatically adjusting the air temperature to avoid overcooling or overheating, providing your family maximum comfort.

5-Star Among Energy Stars
The environmental advantages of Energy Star qualified Tranquility heat pumps are clear. Up to 80% of energy supplied comes directly from the Earth and is clean, free and renewable. According to the U.S. Environmental Protection Agency (EPA), geothermal systems are “the most energy-efficient, environmentally clean and cost-effective space conditioning systems available today.”

For an Earth-friendly system, the Tranquility Series uses EarthPure® Ozone Safe refrigerant. EarthPure® refrigerant is non-chlorine based and has zero ozone depletion potential.

Breathe Easier
The Tranquility Series delivers superior air filtration for improved indoor air quality. Compared to traditional fiberglass air filters, our filter removes up to nine times more dust, lasts three times longer and captures nearly 100% of pollen and spores.

Call Golden Rule at (605) 202-2020 or contact us online to request an estimate on a ClimateMaster geothermal HVAC system.


  • All of our Technicians Are Licensed
  • We Offer A One Year “Test Drive” Guarantee
  • There is No Bait and Switch With Our Pricing
  • Clean, Uniformed Technicians Who Have Been Drug Tested & Background Checked
  • We’re Here For You 24/7 With Round The Clock Service
  • We’ll Never Smoke Or Swear In Your Home
  • We’ve Been In The Industry Since 2008
  • 100% Client Satisfaction Guaranteed

Trust our highly accomplished and qualified Sioux Falls plumbers!