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: 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: Do services include refrigerant checks?

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

Q: Are there energy-efficient measures taken during these services?

• <div><p>Yes, including optimizing settings and suggesting upgrades if needed.</p></div>

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Verified Reviews for Heating Oil Service pros in Williams, AZ

*The Angi rating for Heating Oil Service companies in Williams, 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 Williams, 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 October 23, 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 May 2022
I had propane heat in Williams az and the lpg gas bill was enormous. I was able to get this company to install a central ac and electric heat to keep my property from freezing my pipes when the temp drops. I still have my pellet stove for the really cold days. Nice bunch of...
Alltech Solutions, Inc.
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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 June 2014
The window replacement crew showed up promptly. At first I thought that 3 guys were not enough to do the job, but I was wrong. Those guys had a great plan on how to tackle each removal and replacement. We have a 2-story home and that was not a problem when they had to use the double ladder or...
American Vision Windows
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Reviewed in May 2013
We contacted Roof Dancers to get some parts needed to install a second-hand propane heating stove in our new house. They were always willing to find and acquire the parts we needed, and their pricing was fair - it matched what we could have ordered over the internet.
ROOF DANCERS
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Reviewed in May 2013
The heater wasn't working,so they came out and took a look. Bottom line, the original builder had used a cheap heater and ac unit, and it was now toast. They did some measurements, figured out what we would need for a heater, recommended one that was better quality and that they had been happy...
Chino Heating & Cooling Inc
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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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Reviewed in July 2008
They also installed two tankless water heaters and outside faucets. They are very polite and courteous.
SUTTON PLUMBING LLC
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Heating Oil questions, answered by experts

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.

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.

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

Yes, including optimizing settings and suggesting upgrades if needed.

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