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: 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>

Q: What are common geothermal system issues?

• <div><p>Leaks, poor airflow, reduced efficiency, and loop blockages are common problems requiring service.</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>

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Verified Reviews for Heating Oil Service pros in Fort Defiance, AZ

*The Angi rating for Heating Oil Service companies in Fort Defiance, AZ 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 Fort Defiance, AZ 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 24, 2025

Reviewed in February 2024
Jay definitely goes the extra mile to make sure the job in done in a professional manner and delivers value every time! Canâ t say enough good things about Good Shepherd! This company is my go to for all heating and cooling projects. Iâ ve used them on 4 different properties and have not been...
Good Shepard Heating & Air LLC
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Reviewed in January 2023
I also had a new water heater installed. I'm very happy with the new sink and faucet. They brought the water heater up to code and it all looks great. Very friendly and professional.
Temperature Control Plumbing, LLC
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Reviewed in November 2017
Dang do I appreciate Poulsbo heating! I have an older (1960’s) oil furnace in Bremerton that would not start up…. I called another service company to come check it out…. They spent about 15min. working on it and could not get the furnace to fire. I was told the circuitry was bad and the blower...
Poulsbo Heating Company
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Reviewed in August 2017
Tom arrived the same day I called and replaced my hot water heater. He was exceptionally courteous, helpful and professional. I would definitely recommend A-1 B.C.C. Plumbing.
A-1 BCC PLUMBING
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Reviewed in September 2013
I brought in one of their mailer coupons for a oil change and maintenance/service check. I told them I wanted to upgrade the oil to synthetic. They told me there was a whole different service for synthetic oil that didn't apply to that coupon. They had worked on my car before so since I needed...
BIG O TIRES
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Reviewed in April 2013
We rented a backhoe in January and it went well. We rented again in March. They sent us an older used smaller backhoe. It had a power issue. My husband was using it by our creek. It could not power to walk sideways, and set above a rock. The drive line broke or came out and was flipping around....
Volvo Rents
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Reviewed in March 2012
They have great follow up. I was told by the owner that he didn't care if he got my business, as long as my heat exchanger was repaired. It was life or death, really, because carbon monoxide was leaking into my home. He even had to go purchase special equipment to test the amount of carbon...
Air Boss Heating and Cooling LLC
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Reviewed in March 2012
They did an inspection and said everything was fantastic on my system. They also said that there was a crack in my heat exchanger and that it needed to be replaced. I was directed to call Lennox based on my lifetime limited warranty. I was warned that the labor to install this part was going to...
Solar Bear
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Heating Oil questions, answered by experts

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.

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.

Leaks, poor airflow, reduced efficiency, and loop blockages are common problems requiring service.

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.

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

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