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Geothermal Energy Systems Update

By Jay Egg, Owner, Egg Geothermal As you know We’ve done a lot of work on cooling dominant loads for geothermal applications. I will be speaking at the Department of Energy headquarters for three hours on geothermal HVAC on September 6. This comes on the heels of a report I co-sponsored with Oak Ridge National Laboratories… a big investment for little guy (see picture http://dev.mee.unt.edu/Tao/Geo/Recent_Progress.htm) but with the Department of Energy. There are still items in the report that are not matured; meaning there has not been enough data to give an accurate answer officially..

Geothermal Energy Systems Are Gaining Ground

Geothermal heating and cooling systems are making quiet but steady progress across the country. While solar panels shine on rooftops and wind turbines spin on ridgelines, geothermal systems work underground—delivering constant, reliable comfort without fanfare.

Geothermal Energy Systems: Clean Energy from the Ground Up

These systems pull energy from the stable temperatures just below the surface. In winter, they draw heat from the ground to warm homes and buildings. In summer, they send excess heat back into the earth. Because the ground stays near 55°F year-round, geothermal heat pumps operate far more efficiently than traditional HVAC systems.

Geothermal Energy Systems: Adoption Is Rising Nationwide

Today, over a million ground-source heat pumps are in operation in the U.S. Every year, more homeowners, schools, and commercial properties make the switch. With rising utility costs and growing concerns about climate change, demand continues to rise.

Technology Keeps Getting Better with Geothermal Energy Systems

The technology has advanced. Newer systems are easier to install and more affordable. At the same time, local and federal incentives help offset upfront costs. As a result, geothermal is no longer a niche option—it’s a practical solution for modern, energy-efficient buildings.

Infographic titled geothermal energy is gaining ground showing a house with underground pipes illustrating geothermal heating and cooling alongside bold section headers explaining the technologys benefits and adoption
Geothermal systems draw energy from the ground to heat and cool buildings efficiently As technology improves adoption rises nationwideoffering a clean always on solution for sustainable living

Always On. Always Reliable.

Moreover, geothermal doesn’t depend on sunlight or wind. It runs 24/7, in all climates, without fuel deliveries or combustion. It’s quiet, clean, and long-lasting. When paired with electric water heaters or solar panels, it can take a home or building nearly off the grid.

Why Geothermal Energy Systems Make Long-Term Sense

Geothermal energy systems don’t just cut bills today—they protect investments for decades. These systems last 25 to 50 years underground with minimal maintenance. While traditional furnaces or air conditioners may fail every 10 to 15 years, ground loops stay stable. Because the system works year-round in all weather, it avoids the performance drops common with other energy technologies. Over time, that means lower repair costs, more consistent savings, and better energy independence. With demand rising for long-lasting, low-emission solutions, geothermal stands out as a smart, future-ready choice.

Geothermal Energy Systems: Not an Alternative—A Core Solution

Geothermal isn’t just an alternative. It’s a cornerstone of clean energy. As the push for electrification grows, this underground solution is heating up.

Sources

  1. U.S. Department of Energy – “Geothermal Heat Pumps”
    Explains how ground-source heat pumps work, their energy savings, and current adoption rates in the U.S.
    https://www.energy.gov/energysaver/geothermal-heat-pumps
  2. International Ground Source Heat Pump Association – “Geothermal Market Growth”
    Provides data on the rise of geothermal installations in residential and commercial sectors.
    https://igshpa.org
  3. National Renewable Energy Laboratory (NREL) – “The Promise of Geothermal Heating and Cooling”
    Reviews the benefits of geothermal energy, system advancements, and the role it plays in decarbonizing buildings.
    https://www.nrel.gov/news/program/2023/the-promise-of-geothermal.html
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greenlivingguy
The Green Living Guy, Seth Leitman is an independent power producer, a green living expert, and Editor of the McGraw-Hill, TAB Green Guru Guides. Seth is also an Author, Radio Host, Reporter, Writer and an Environmental Consultant on green living. The Green Living Guy writes about green living, green lighting, the green guru guides and more. Seth's books range from: # Build Your Own Electric Vehicle by Bob Brant and Seth Leitman (2nd and 3rd editions) # Build Your Own Plug-in Hybrid Electric Vehicle by Seth Leitman # Build Your Own Electric Motorcycle by Carl Vogel # Green Lighting by Seth Leitman, Brian Clark Howard and Bill Brinsky # Solar Power For Your Home by David Findley # Renewable Energies For Your Home by Russel Gehrke # Do-it-Yourself Home Energy Audits by David Findley # Build Your Own Small Wind Power System by Brian Clark Howard and Kevin Shea # and more green living books to follow.

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