Get matched with top heating oil pros in Hardin, MT

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>

Q: Do NATE-certified technicians cost more?

• <div><p>NATE-certified technicians may charge slightly higher service fees compared to non-certified technicians. This is because NATE certification signifies a higher level of expertise and professionalism, often leading to more efficient and effective HVAC repairs and installations. While the upfront cost may be marginally higher, NATE-certified technicians can potentially save you money in the long run by reducing energy consumption, preventing frequent breakdowns, and extending the life span of your HVAC system. When looking for a <a href="https://www.angi.com/nearme/hvac-companies/">local HVAC company to hire</a>, it never hurts to ask about NATE certifications. </p></div>

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: What factors affect servicing costs?

• <div><p>Costs depend on system age, type, labor, and whether part replacements are necessary.</p></div>

Q: What are the benefits of geothermal heating and cooling?

• <div><p>Geothermal systems provide energy efficiency, lower utility bills, and long-term sustainability with minimal environmental impact.</p></div>

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Verified Reviews for Heating Oil Service pros in Hardin, MT

*The Angi rating for Heating Oil Service companies in Hardin, 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 Hardin, 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 November 15, 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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Reviewed in September 2011
I knew I needed a water heater soon anyway so he replaced it at a cost of 1100 (State brand and 6 year warranty). . He did not know how much of that was the water heater cost although he picked it up himself. I declined to have my pipes switched since there wasn't anything wrong with them. ...
Phil Larson Plumbing Co
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Find Heating oil pros in Hardin

AU Electric, LLC

5.00(

)

•Approved Pro

AU Electric, LLC

5.00(

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

3 years of experience

AU Electric LLC is dedicated to providing our customers with the best quality and craftsmanship. We are a family and veteran owned and operated business. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"Great to work with, very reasonable. Highly recommend"

Classic W on March 2023

"Great to work with, very reasonable. Highly recommend"

Classic W on March 2023

Omega Home Maintenance

5.00(

)

•Approved Pro

Omega Home Maintenance

Customers say: Quick response

Recommended by 100% of Angi customers

60 local quotes requested

We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"Brian was awesome to work with from start to finish. Timely, professional and the completed project looks great. We will definitely use him again."

Kari F on April 2025

We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"Brian was awesome to work with from start to finish. Timely, professional and the completed project looks great. We will definitely use him again."

Kari F on April 2025

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

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.

NATE-certified technicians may charge slightly higher service fees compared to non-certified technicians. This is because NATE certification signifies a higher level of expertise and professionalism, often leading to more efficient and effective HVAC repairs and installations. While the upfront cost may be marginally higher, NATE-certified technicians can potentially save you money in the long run by reducing energy consumption, preventing frequent breakdowns, and extending the life span of your HVAC system. When looking for a local HVAC company to hire, it never hurts to ask about NATE certifications.

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

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

Geothermal systems provide energy efficiency, lower utility bills, and long-term sustainability with minimal environmental impact.

The homeowners guide to home care is here

From average costs to expert advice, get all the answers you need to get your job done.

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