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>

Get matched with top heating oil pros in Darby, MT

Q: How much does geothermal system servicing cost?

• <div><p>Service costs range from $200 to $1,500, depending on maintenance needs, system age, and labor.</p></div>

Q: How long does geothermal servicing take?

• <div><p>Most maintenance checks take 2-5 hours, though extensive repairs may take longer.</p></div>

Q: How do I maintain my geothermal system?

• <div><p>Regular inspections, loop flushing, and checking heat exchangers help extend system lifespan.</p></div>

Q: How often should I have my HVAC system serviced?

• <div><p>For most systems, an annual HVAC system service is more than enough. Some homeowners prefer a twice-a-year visit to ensure the system is ready for the upcoming summer and winter seasons. If you need to call an HVAC pro more often than this, it may be time to check if your system is getting old enough for a replacement. </p></div>

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Verified Reviews for Heating Oil Service pros in Darby, MT

*The Angi rating for Heating Oil Service companies in Darby, MT 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 Darby, MT 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 December 05, 2025

Reviewed in November 2024
We had previously had four windows and one siding door installed in the summer and were happy with the process. We knew when the company started making entry doors that we would purchase a front entry door and kitchen door to replace older doors that had gaps around the frame where cold and heat...
Renewal by Andersen of Montana
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Reviewed in April 2023
Highly skilled, professional plumber. Treated my wife and I with the upmost dignity and respect. Tobin did a major repair of our homes boiler and heating system. System needed major repair due to damage from frozen pipes. We would highly recommend Bridger Creek Plumbing.
Bridger Creek Plumbing, LLC
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Reviewed in February 2014
Installed heating system. Air conditioning unit will be installed this spring. So far they have been wonderful to work with. Crew was professional and prompt. We love the heating system. Will update when we have air-conditioning unit installed.
Comfort Heating & Air Conditioning LLC
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Reviewed in February 2014
At first, it was looking pretty good. The materials were good quality. However, the clean-up was poor, with nails, and paper trash left on the ground, and strings left hanging from the roof. The furnace in the attic was not covered before the work and ended up with lots of sawdust and other...
Sprague Construction Roofing, LLC
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Reviewed in September 2013
He arrived after our agreed time however called before and explained that he'd be late. This clearly demonstrates that he respects my time and me. He carefully placed drop cloths around my woodstove, then checked around the pipe for safety issues. He noted and, using some fiberglass...
Buffalo Chimney & Stove Installation
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Find Heating oil pros in Darby

Anderson's Heating and Air Conditioning Inc

5.00(

)

•Approved Pro

Anderson's Heating and Air Conditioning Inc

5.00(

)

•Approved Pro

38 local quotes requested

41 years of experience

is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Charles Wyles Contractors

4.94(

)

•Approved Pro

Charles Wyles Contractors

4.94(

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

36 local quotes requested

For over 35 years, Charles Wyles Contractors in Stevensville has been the go-to choice for home building and remodeling projects. Our expertise sets us apart from competitors. Contact us today for all your home project needs.

"very good."

Michael S on June 2023

"very good."

Michael S on June 2023

Timberline Heating & Cooling

No reviews yet

Timberline Heating & Cooling

No reviews yet

With over 50 years of family ownership and experience serving both residential and commercial businesses in Billings and surrounding areas. Matt has followed his grandfather for 25 years and has recently taken ownership to follow in the footsteps of providing outstanding service with the same integrity as his grandfather. Offering 24 Hour Emergency Service Matt is there to help you. He is able to help you with sales of products for remodels, new construction or service for all brands. No job is too big or small and he can take care of that custom sheet metal work as well. Dare to compare and call Matt now.

Heating Oil questions, answered by experts

Service costs range from $200 to $1,500, depending on maintenance needs, system age, and labor.

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

Regular inspections, loop flushing, and checking heat exchangers help extend system lifespan.

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.

For most systems, an annual HVAC system service is more than enough. Some homeowners prefer a twice-a-year visit to ensure the system is ready for the upcoming summer and winter seasons. If you need to call an HVAC pro more often than this, it may be time to check if your system is getting old enough for a replacement.

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