How often do I need to service my HVAC system?

• <div><p>You need to service an HVAC system about twice per year, with a service including an inspection and basic maintenance. It’s best to schedule maintenance in the spring (after the furnace has been running and before the AC kicks on) and in the fall (after the AC worked hard all summer and before winter’s first chill arrives). </p><p>Regular HVAC services will keep the system working as efficiently as possible, saving you money on utilities and larger repairs. <a href="https://www.angi.com/articles/ac-service-cost.htm">HVAC maintenance costs</a> around $250 per visit, while bigger repairs from forgotten upkeep could cost thousands.</p></div>

How long does a good HVAC last?

• <div><p><a href="https://www.angi.com/articles/how-long-havc-last.htm">HVAC systems usually last between 10 and 30 years</a>, with most having a lifespan of around 20 years. Factors that impact a unit’s life expectancy include which brand you choose, how often you use it, and how well you maintain it. To make sure yours lasts as long as possible, make sure to keep it clean and schedule an annual service with an HVAC technician.</p></div>

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Q: Should you run an ERV system all the time?

• <div><p>It&rsquo;s a better use of energy (and your money) NOT to run an ERV system all the time. Most experts recommend that you cycle your ERV system on and off throughout the year. However, the recommended advice could change based on your climate, the number of people in your home, the size and style of your home, and your heating and cooling system. Contact a local pro for more specific advice. </p></div>

Q: What type of HVAC system do I have?

• <div><p>There are several <a href="https://www.angi.com/articles/common-types-of-HVAC-systems.htm">common types of HVAC systems</a> that you may have, including split systems, hybrid HVAC, duct-free systems, packaged heating and air, geothermal heating, or even portable units for heating or cooling. If you aren&rsquo;t sure which type is in your home or are looking to install something different, you should consult an HVAC pro to determine which option is right for your heating and cooling needs.</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>

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Verified Reviews for Heating Oil Service pros in Big Horn County, MT

*The Angi rating for Heating Oil Service companies in Big Horn County, 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 Big Horn County, 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 26, 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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Timberline Heating & Cooling

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Timberline Heating & Cooling

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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

You need to service an HVAC system about twice per year, with a service including an inspection and basic maintenance. It’s best to schedule maintenance in the spring (after the furnace has been running and before the AC kicks on) and in the fall (after the AC worked hard all summer and before winter’s first chill arrives).

Regular HVAC services will keep the system working as efficiently as possible, saving you money on utilities and larger repairs. HVAC maintenance costs around $250 per visit, while bigger repairs from forgotten upkeep could cost thousands.

It’s a better use of energy (and your money) NOT to run an ERV system all the time. Most experts recommend that you cycle your ERV system on and off throughout the year. However, the recommended advice could change based on your climate, the number of people in your home, the size and style of your home, and your heating and cooling system. Contact a local pro for more specific advice.

There are several common types of HVAC systems that you may have, including split systems, hybrid HVAC, duct-free systems, packaged heating and air, geothermal heating, or even portable units for heating or cooling. If you aren’t sure which type is in your home or are looking to install something different, you should consult an HVAC pro to determine which option is right for your heating and cooling needs.

HVAC systems usually last between 10 and 30 years, with most having a lifespan of around 20 years. Factors that impact a unit’s life expectancy include which brand you choose, how often you use it, and how well you maintain it. To make sure yours lasts as long as possible, make sure to keep it clean and schedule an annual service with an HVAC technician.

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

The homeowners guide to home care is here

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