Geothermal heating is an innovative yet highly practical HVAC concept that takes advantage of the relatively consistent year-round temperatures underground. Geothermal systems offer a number of benefits that make them a great choice for many Goodfield, Illinois, homes.

Energy Efficiency

According to the U.S. Department of Energy, geothermal systems are much more energy efficient than furnaces or baseboard heaters. They reduce energy use by 30 to 60 percent over these heating technologies.


Geothermal systems use clean energy from the sun, returning up to five times the heating (or cooling) that they consume in electricity. They’re considered a renewable HVAC technology.

In fact, they’re even considered more favorable than other renewable technologies such as photovoltaic and wind power, since they remove four times as much electrical consumption from the power grid per dollar spent.


Geothermal technology can heat, cool and supply hot water to your home. You can use a geothermal system with a ducted or ductless system.

In addition, geothermal heat pumps can be fully ground (or water) sourced for maximum efficiency . You can also combine them with air-source heat pump technology, making them only slightly less efficient but much less expensive to install.

You can use variable fans and two-speed compressors with geothermal heat pumps for greater comfort and higher energy efficiency.


The indoor components of a geothermal heating system have an estimated lifespan of 25 years, and the ground loop’s estimated lifespan is more than twice that. You can replace indoor components when needed without disturbing the underground components.


Geothermal systems are extremely low-maintenance in comparison to conventional heating and cooling systems.

Noise Level

Not only are geothermal systems quieter indoors than other types of heating system, but there’s no outdoor unit to disturb your neighbors.

For further information about your geothermal heating options, read our geothermal page or call Custom Air Company at (309) 518-1196.

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