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>

How often should I service my HVAC?

• <div><p>Your HVAC manufacturer will give you instructions on how often you should service your system. Have your unit professionally serviced at least once a year when in doubt. </p><p>Heat pump systems are different because they provide heating and cooling solutions for your home. In this case, you should have it serviced at least twice a year.</p></div>

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TRUSTED BY DELHI, CA HOMEOWNERS

4.4
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Verified Reviews for Heating Oil Service pros in Delhi, CA

*The Angi rating for Heating Oil Service companies in Delhi, CA 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 Delhi, CA 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 22, 2025

Reviewed in February 2025
The service technician Lyle, who came out to assess the water heater problem. He was very truthful, and very knowledgeable.
Discount Plumbing, Heating & Air
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Reviewed in January 2023
Great service I recommend J&J heating service
J & J Heating & Air, Inc.
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Reviewed in November 2022
Fair, practical and interested in supplying repair service instead of marketing new heating units.
Prime Energy Heat and Air
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Reviewed in May 2022
Joe Bryson is the best heating company I've ever hired. They repaired my heating system quickly, and it didn't cost me much either. They are the most affordable and reliable company.
JOE BRYSON HEATING & AIR
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Reviewed in November 2015
McLaughlins has ALWAYS been prompt, professional, helpful and polite. I use this company (and have for many years) 2x's a year for service to A/C before summer heat and to heater before winter cold. This is a company with integrity ! I highly recommend using them for your HVAC needs. I had...
McLaughlin Heating and Air Conditioning
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Reviewed in February 2015
We had Brett and his assistant, Peyton out to repair an older heater. We had to have it fixed every year for various things. Brett took me up on the roof and explained the issues and recommended it be replaces. He was very through and knowledgeable. He gave me the cost of the new heater and...
Bret Turner Heating & Cooling
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Reviewed in February 2015
I received the most outstanding service! I went to Angie's list because I had been waiting for another company to come to my house and fix my heater for 2 months(Rod Johnsons Air). When he did call he just stated he could not find the parts and would give me a great deal on a new...
Sanchez Quality Performance HVAC
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Reviewed in October 2013
Our heater wasn't producing heat when we tested it out. I had called another company out that had been doing some maintenance on our system prior. When the other company arrived to do a service, they found that a safety switch wasn't working and it needed replacing at $300+. We scheduled them to...
Airway Heating & Air Conditioning
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Reviewed in October 2013
It went great ,was in and out in 20 mins. Windows washed ,carpets vacuumed. Also offer topping off oil between oil changes. Water on arrival and one for the road. Very courteous. And a discount is offered for Costco members.
Jiffy Lube
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Reviewed in April 2012
They were referred to us by another provider. Our air-conditioner was fine and he put in the heating system for us. We will use them in the future.
Lovotti Air
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Find Heating oil pros in Delhi

Elite Heating and Air LLC

Elite Heating and Air LLC

77 local quotes requested

9 years of experience

Elite Heating and Air LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Here at Elite we stand behind quality workmanship,Please feel free to contact us today!

"Jorge, Angel, Ishmael, and George were fantastic. Jorge was honest and straight in the initial conversations. He gave me multiple options for systems and their functionality. When I made my selection I was given a very fair price for the work that was to be done. He was very helpful in acquiring good financing that bested my Credit Union and Bank. The work was done quickly with great attention to the fine details. I now have an efficient and functional HVAC unit. If you need repairs or a replacement HVAC system you could not do better than selecting Elite Heating and Air for your job. I'm telling all my friends that if they need any work done - "I've got a guy"..."

Gary S on October 2025

"Jorge, Angel, Ishmael, and George were fantastic. Jorge was honest and straight in the initial conversations. He gave me multiple options for systems and their functionality. When I made my selection I was given a very fair price for the work that was to be done. He was very helpful in acquiring good financing that bested my Credit Union and Bank. The work was done quickly with great attention to the fine details. I now have an efficient and functional HVAC unit. If you need repairs or a replacement HVAC system you could not do better than selecting Elite Heating and Air for your job. I'm telling all my friends that if they need any work done - "I've got a guy"..."

Gary S on October 2025

Cosmic Comfort

Cosmic Comfort

Customers say: True professional

Recommended by 94% of Angi customers

47 local quotes requested

Cosmic Comfort is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"What a friendly and affordable company to go with. They were professional all the way through and their employees are hardworking and respectful of your property. I highly recommend them for any of your electrical needs."

John B on June 2025

"What a friendly and affordable company to go with. They were professional all the way through and their employees are hardworking and respectful of your property. I highly recommend them for any of your electrical needs."

John B on June 2025

The Air Doctor Heating & Air

The Air Doctor Heating & Air

Customers say: Terrific value

Recommended by 93% of Angi customers

17 local quotes requested

With 13 years of experience, The Air Doctor Heating & Air is the company you need to take care of your home or business. We offer quality work at an affordable rate. Give The Air Doctor Heating & Air a call today!

"They are thorough, prompt, and courteous."

Maria B on October 2023

"They are thorough, prompt, and courteous."

Maria B on October 2023

Airmergency Inc

1600 N Carpenter Ste E-2

4.00(

)

Airmergency Inc

1600 N Carpenter Ste E-2

4.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

Airmergency or "Airmergency Inc" definition; An exceptional Central Heating & Air Conditioning Company servicing California Contractor Lic # 981481 Bonded/Insured open 24 hours every day of the year for your indoor climate control & comfort.

Heating Oil questions, answered by experts

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

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

Yes, geothermal heat pumps are worth the money. You can save about 70% on heating costs in the winter and around 50% on cooling costs in the summer with a geothermal heat pump compared to a traditional HVAC system. Over time, your savings on monthly utilities will pay for the cost of the geothermal heat pump installation. If you have an incredibly small yard, however, you may not have enough space for this type of system.

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.

Your HVAC manufacturer will give you instructions on how often you should service your system. Have your unit professionally serviced at least once a year when in doubt.

Heat pump systems are different because they provide heating and cooling solutions for your home. In this case, you should have it serviced at least twice a year.

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