Do you need backup heat with geothermal?

• <div><p>If a geothermal heat pump is installed correctly, then you shouldn’t have to worry about having a backup heat source such as a <a href="https://www.angi.com/articles/furnace-and-heating-basics.htm">furnace</a> or oil boiler. However, there are geothermal systems installed that include a backup in case the heat pump fails due to extreme cold. This is simply a backup heat pump you’ll likely never need and not an alternative heat source.</p></div>

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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Verified Reviews for Heating Oil Service pros in Gallaway, TN

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

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

Last update on November 26, 2025

Reviewed in March 2024
The guys were on time and installed the heating system within a day. I appreciated their professionalism and promptness. Great work and good overall experience.
Mr Fitz It Repairs
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Reviewed in November 2023
I had an exceptional experience with Royal Heating and Cooling! When my air conditioner unexpectedly stopped working, I reached out to them, and Jerimiah came the same day. He not only provided a fast and efficient repair but also impressed me with his professionalism and knowledge. I...
Royal Heating and Cooling
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Reviewed in June 2023
These guys worked quite hard in the heat to cut up a big old pine tree with a large stump/root area uprooted from a past storm. And then cut down 7other trees in the same area. They cleaned up any remaining debris and hauled off the big stuff. All at a reasonable price. I'll work with them again!
Cassidy Tree Care
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Reviewed in October 2022
Came out right away to fix my heating issue. Trouble shot professionally and fixed quickly. Very polite and professional.
AVU Heating & Air
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Reviewed in August 2021
On a Budget Heating & Cooling was outstanding! Got the job done for a very reasonable price and were courteous and professional. Good people! Highly recommend!
On a Budget Heating & Cooling
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Reviewed in June 2014
We almost always get the same technician (Mike) for both our heating and cooling tune-ups. He's very courteous, easy going, and remembers us, our house and previous visits. Couldn't ask for better service!!!
Hiller Plumbing Heating Cooling & Electrical
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Reviewed in May 2014
I received a flyer in the mail the same day we found oil mixed in with the coolant in our 98 civic. I called Lucky Dog Auto and was told to bring the car in for an estimate on repairs. Mr. Marvin was very professional, went over best and worst case scenarios, and the repair bill was on target,...
Lucky Dog Auto
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Reviewed in July 2013
I had a problem with one of my split systems leaking water all over the inside of my home. The unit was 20 years old and needed to be replaced. I called Upton after finding them on Angie's list and they came out and inspected the unit and verified that it needed to be replaced. They had a new...
UPTON ELECTRICAL
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Reviewed in June 2007
I have been very satisfied with the work every time I go to the Car Wash. It is priced well and the waiting area is clean and comfortable. If I am doing the car wash plus oil change, I walk across to the library. The owner operators are very friendly. They offer rain checks if there is rain...
CLASSIC CAR WASH
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Heating Oil questions, answered by experts

Yes, technicians check refrigerant levels, loop performance, and system calibration for peak efficiency.

If a geothermal heat pump is installed correctly, then you shouldn’t have to worry about having a backup heat source such as a furnace or oil boiler. However, there are geothermal systems installed that include a backup in case the heat pump fails due to extreme cold. This is simply a backup heat pump you’ll likely never need and not an alternative heat source.

An evaporator or swamp cooler is a common alternative for small spaces. These coolers blow moist air into a space to help cool it down. They are more affordable than misters and use much less water. However, coolers will not have the same cooling effect as misters, cannot help plants survive the heat, and only reach a small area.

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.

DIY maintenance like filter cleaning is possible, but professional servicing ensures proper pressure, refrigerant levels, and loop performance.

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