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: How do I maintain my geothermal system?

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

Q: Do services include refrigerant checks?

• <div><p>Yes, technicians check refrigerant levels, loop performance, and system calibration for peak efficiency.</p></div>

Q: How long does it take for geothermal to pay for itself?

• <div><p>A geothermal heat pump system will take about <b>10 years</b> to pay for itself, and it has a life span of anywhere from about 25 to 50 years. Installing a geothermal heat pump will cost about $14,250 upfront, but it can reduce your energy bills by around 65% when compared to a conventional HVAC system. </p></div>

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Verified Reviews for Heating Oil Service pros in Onalaska, WI

*The Angi rating for Heating Oil Service companies in Onalaska, WI 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 Onalaska, WI 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 October 23, 2025

Reviewed in September 2017
Contacted Pete from Paul's Heating and Air Conditioning, told him what I was looking for and he recommended the perfect garage heater for what I needed! They showed up on time, very professional and friendly and everything went smooth! Everything was installed and working great same day, could...
Paul's Heating and Air Conditioning Inc
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Reviewed in September 2017
14 year old basement water heater started leaking heavily on Saturday afternoon. Called my regular plumber and one other for urgent service no response until Monday. On Sunday morning filled out Advance's online urgent service request form, got a call back within ten minutes by Advance and...
Advanced Plumbing Systems
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Reviewed in January 2017
They showed up less than an hour after I called, there before 9. By noon my heat was working. Tickled with their service; won't call anyone else!
Cary Heating & Air Conditioning
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Reviewed in October 2013
Great service and reasonable price. They did not try all the up sells that sometimes come along with oil changes.
DAHL MOTORS FORD SUBARU
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Reviewed in September 2013
I had owned a Lincoln at the time and the oil change was free because it was a Lincoln. This is a good deal. I also bought the Lincoln from Dahl. They were very friendly and helpful. Excellent staff and very satisfied with them. My mother in law also uses Dahl and she seems to like them too.
Dahl Ford Lincoln
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Reviewed in September 2013
We have used Walmart for oil changes and tire services before and it has been fine. On this occasion we brought a newer model vehicle for an oil change. After they had drained the oil, they informed us that they did not have a filter for this particular vehicle, so we had to buy one...
Walmart Tire & Lube
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Reviewed in February 2013
I contacted Maxwell-White to purchase and install a new 40 gallon water heater to replace one that was leaking. I was able to speak to a plumber regarding switching from a gas to electric heater and whether or not to upgrade to a 50 gallon water heater. The information he provided was helpful in...
Maxwell-White Plumbing Inc
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Reviewed in December 2012
I took my car in at 9 a.m. and left it asking for the oil change to be done by 1 p.m. if possible. They called me at 10:45 and said it was done! The guys are always professional and the price was great.
Autostream Car Care - Hampden of Baltimore
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Reviewed in November 2012
Our water heater unexpectedly failed one evening, we called Bill Buchner Plumbing and he had the water heater replaced by the next day. Outstanding, very professional, and prompt service ... and we are very pleased with his work.
Bill Buchner Plumbing
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Heating Oil questions, answered by experts

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.

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

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.

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

A geothermal heat pump system will take about 10 years to pay for itself, and it has a life span of anywhere from about 25 to 50 years. Installing a geothermal heat pump will cost about $14,250 upfront, but it can reduce your energy bills by around 65% when compared to a conventional HVAC system.

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