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>

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Q: What factors affect servicing costs?

• <div><p>Costs depend on system age, type, labor, and whether part replacements are necessary.</p></div>

Q: What types of heat pumps are there?

• <div><p>There are three main types of heat pumps. An air-source heat pump system is the most common and has two parts&mdash;an indoor air handler unit and an outdoor heat pump unit. A ductless heat pump system functions similarly to an air-source heat pump system but doesn&rsquo;t need ductwork to distribute the air. A geothermal heat pump system pulls heat from the ground to help heat your home. </p></div>

Q: Can I service my geothermal system myself?

• <div><p>DIY maintenance like filter cleaning is possible, but professional servicing ensures proper pressure, refrigerant levels, and loop performance.</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 Hauula, HI

*The Angi rating for Heating Oil Service companies in Hauula, HI 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 Hauula, HI 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 August 2022
I’m very happy with the professionalism and responsiveness. AO A/C repaired my system fast and got us out of the heat. The maintenance plan offered was at a competitive rate and I’m looking forward to working with this family owned local business.
Alpha Omega Air Conditioning
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Reviewed in August 2022
Darrell Ing of Hawaiian Energy Systems Inc was super helpful. He did not try to sell me something I didn't need and installed a standard water heater based on the size of our household. Work was done in a timely manner and Darrell and his crew were professional and efficient. I plan to use them...
Hawaiian Energy Systems, Inc.
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Reviewed in February 2022
I had a 15 year old water heater that started leaking from the bottom. It was a small leak but it needed to be fixed. Tanner came out and ran some tests on the heater. Really nice guy, was courteous and respectful. Turns out the heater was leaking from the shell itself and needed to be...
Pipeline Plumbing Oahu, LLC
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Reviewed in May 2016
We recently had some heating issues in our rental house, Kathy was able to get a heating service in immediately to make the repairs. This was especially important as this occurred in the middle of a very cold winter and it was a family with young kids. The repairs were done quickly and without...
Applewood Estates, LLC
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Reviewed in June 2014
He replaced the garage door opener, oiled and tightened bolts on the door. It works smoothly and quietly now. We are pleased with the work.
Alliance Overhead Doors
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Reviewed in May 2014
He's great but his assistant is horrible - messed up so he had to come back. Not to mention the assistant spilled machine oil all over our lawn and killed a large patch of mature ground cover/grass. Though he fixed the assistant's mistake, we won't be calling them back because of the negative...
All In One Home Repairs
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Reviewed in March 2014
Coastal tanks met all agreement discussions perfectly. Due to busy schedules, most details were discussed over the phone. His crew arrived on time. Got to work. And, finished on time. They did an excellent clean-up effort. A hard working crew. We switched from heating oil to natural gas....
Coastal Tanks, Ltd,
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Reviewed in November 2013
JR's an excellent small business. Very attentive and provides better estimates than the larger companies. He has "Andy," who's superb at ducting work in an older house. Also, his piping crew remedied unique older house issues without any commotion. Good guys working on this team. If you...
Newbern Mechanical Company Inc
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Reviewed in September 2013
They did a great job! We had a coupon for an oil change so it was a great deal. Very satisfied:)
Midas - Waipahu
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Reviewed in January 2013
Water as cold so call Poncho Solar. They guided us through the process of resetting the heater. I didn't work so they arrived the next day on time to fix the problem. Good service and good results.
Poncho's Solar Service
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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.

Costs depend on system age, type, labor, and whether part replacements are necessary.

There are three main types of heat pumps. An air-source heat pump system is the most common and has two parts—an indoor air handler unit and an outdoor heat pump unit. A ductless heat pump system functions similarly to an air-source heat pump system but doesn’t need ductwork to distribute the air. A geothermal heat pump system pulls heat from the ground to help heat your home.

DIY maintenance like filter cleaning is possible, but professional servicing ensures proper pressure, refrigerant levels, and loop performance.

Yes, including optimizing settings and suggesting upgrades if needed.

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