Geothermal Disadvantages

Geothermal Disadvantages

A geothermal system's biggest disadvantage is its initial cost. Installation of a heat pump and interior ductwork can be nearly double that of traditional furnace systems. Additional costs can include installation of geothermal piping, digging trenches, desuperheaters and boring holes for the geothermal system. However, these cost disadvantages can easily be offset with savings on utility bills and possible rebates from your local electric company.
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Space Considerations

Besides the cost disadvantages, geothermal systems can also require a large amount of space. A geothermal heat pump is usually installed in the home's interior, which may or may not be an issue. However, the trenches or geothermal bore holes for the piping can require several hundred feet of open space, and wells for geothermal loop systems can also require special considerations.

Permits

You may also need permits to dig trenches and wells, so check with your local public utility company before starting any project. There are a variety of geothermal heating systems, though, so choosing the right system will reduce these disadvantages. Before making a decision consider the many advantages of geothermal heating.

Disclaimer: This article offers general guidelines and is not intended as professional advice.