How long do geothermal systems last?

• <div><p>You can expect a geothermal system to last for years. According to the <a href="https://www.energy.gov/sites/prod/files/guide_to_geothermal_heat_pumps.pdf">Department of Energy, </a>the underground infrastructure for the heat pumps lasts about 25 to 50 years, which includes the pipes buried in the soil. The actual heat pump itself has a life span of around 25 years.</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 often should I have my HVAC system serviced?

• <div><p>For most systems, an annual HVAC system service is more than enough. Some homeowners prefer a twice-a-year visit to ensure the system is ready for the upcoming summer and winter seasons. If you need to call an HVAC pro more often than this, it may be time to check if your system is getting old enough for a replacement. </p></div>

Q: Are there downsides to using a geothermal heat pump for floor heating?

• <div><p>The most obvious downside is the high upfront cost of buying and installing one of these systems. Additionally, sometimes the system can take a longer time to heat than alternatives like a boiler. Also, if something goes wrong with the geothermal pump, repairs are often significantly more expensive than repairing traditional, above-ground heat pumps. </p></div>

Q: Do services include eco-friendly options?

• <div><p>Yes, many providers offer organic or eco-friendly treatments. Confirm availability with your contractor.</p></div>

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Verified Reviews for Heating Oil Service pros in Waimea, HI

*The Angi rating for Heating Oil Service companies in Waimea, 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 Waimea, 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 can expect a geothermal system to last for years. According to the Department of Energy, the underground infrastructure for the heat pumps lasts about 25 to 50 years, which includes the pipes buried in the soil. The actual heat pump itself has a life span of around 25 years.

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.

For most systems, an annual HVAC system service is more than enough. Some homeowners prefer a twice-a-year visit to ensure the system is ready for the upcoming summer and winter seasons. If you need to call an HVAC pro more often than this, it may be time to check if your system is getting old enough for a replacement.

The most obvious downside is the high upfront cost of buying and installing one of these systems. Additionally, sometimes the system can take a longer time to heat than alternatives like a boiler. Also, if something goes wrong with the geothermal pump, repairs are often significantly more expensive than repairing traditional, above-ground heat pumps.

Yes, many providers offer organic or eco-friendly treatments. Confirm availability with your contractor.

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