How long do geothermal systems last?

• <div><p>You can expect a geothermal system to last for years. According to the <a href="https://www.energy.gov/sites/prod/files/guide_to_geothermal_heat_pumps.pdf">Department of Energy, </a>the underground infrastructure for the heat pumps lasts about 25 to 50 years, which includes the pipes buried in the soil. The actual heat pump itself has a life span of around 25 years.</p></div>

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*The Angi rating for Heating Oil Service companies in Monterey, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

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Last update on October 23, 2025

Reviewed in June 2025
Salvador and his son came over and replaced TWO (!) water heaters—one in the main house and one in a guest house. I had bought the water heaters in advance. After he saw them, he told me that the new codes call for an “expansion tank” which helps the water heater last longer. He could either get...
Salvador's Handyman Service - Unlicensed Contractor
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Reviewed in September 2023
Bruno and his colleague were extremely prompt and professional. They installed a new water heater in just an hour. Having experienced with many contractors and handymen, Bruno is by far the best!
Bruno Construction
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Reviewed in June 2023
No heat pump needed, Gio was able to fix the furnace by replacing the thermostat. Gio is a great guy and walks you through everything he’s doing and give lots of good tips. Highly recommended!
Giotherm, Inc.
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Reviewed in March 2014
Despite the fact that Star-tune doesn't do smog tests at their shop - they had it done for me along with an oil change that I requested and assessment of an oil leak. They did not do a lot to my car because it was not needed at this time... and that is one of the things I liked about Star-Tune -...
Star-Tune
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Reviewed in September 2013
It went well. Days later I noticed a slight oil leak. This was NOT the fault of DMAR. The factory plug washer was worn out. I took the car in, they promptly diagnosed the problem and replaced the washer with a new quality washer AND noted and pointed out another leak in the steering armature....
Del Monte Auto Repair
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Reviewed in May 2013
Great! They inspected the system and determined it was not a problem with our radient heat but a problem with the water heater which told us to call the plumber.
Heritage Plumbing & Heating
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Reviewed in January 2013
I had a problem with the heater I purchased and they were very nice and easy to deal with. It was the product and they took care of it with no hassle, great customer service. They also have certain smaller items that you cant find other places, ex liquid ant bait.
SALINAS ACE HARDWARE
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Heating Oil questions, answered by experts

You can expect a geothermal system to last for years. According to the Department of Energy, the underground infrastructure for the heat pumps lasts about 25 to 50 years, which includes the pipes buried in the soil. The actual heat pump itself has a life span of around 25 years.

Yes, geothermal heat pumps are worth the money. You can save about 70% on heating costs in the winter and around 50% on cooling costs in the summer with a geothermal heat pump compared to a traditional HVAC system. Over time, your savings on monthly utilities will pay for the cost of the geothermal heat pump installation. If you have an incredibly small yard, however, you may not have enough space for this type of system.

Leaks, poor airflow, reduced efficiency, and loop blockages are common problems requiring service.

Costs depend on system age, type, labor, and whether part replacements are necessary.

Most maintenance checks take 2-5 hours, though extensive repairs may take longer.

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