Do you need backup heat with geothermal?

• <div><p>If a geothermal heat pump is installed correctly, then you shouldn’t have to worry about having a backup heat source such as a <a href="https://www.angi.com/articles/furnace-and-heating-basics.htm">furnace</a> or oil boiler. However, there are geothermal systems installed that include a backup in case the heat pump fails due to extreme cold. This is simply a backup heat pump you’ll likely never need and not an alternative heat source.</p></div>

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TRUSTED BY HANA, HI HOMEOWNERS

4.7
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11
Verified heating oil services reviews

Verified Reviews for Heating Oil Service pros in Hana, HI

*The Angi rating for Heating Oil Service companies in Hana, 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 Hana, 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 17, 2025

Reviewed in March 2023
Our furnace stopped working and our thermostat went black. Isidro (owner of EZ Heating & Cooling) came fairly quickly and diagnosed the issue. He determined that the blower motor was damaged and needed to be replaced. He confirmed that when the blower motor is not working it shuts down the...
EZ Heating & Cooling, Corp.
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Reviewed in November 2020
Baseboard electric heat repair
Sturdevant Air Conditioning
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Reviewed in June 2018
This company was responsive and sent out a technician the same day. Office staff was helpful, friendly and professional. The technician was communicative , friendly and empathetic as well as professional.I am an off-island owner and Ross even sent me pictures before and after and kept me...
Steve's Plumbing & A/C Service
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Reviewed in June 2014
He said two pieces, the fan and compacitator, needed to be replaced because they were leaking oil. We decided to have the compacitator repaired, he quoted us $130.00 for that part. My husband looked online and saw the price ranged from $8-$11. It took about 5 minutes to fix that part and since...
Elite Heating, Cooling & Plumbing
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Reviewed in April 2014
The guys at Maui Pacific Solar were very friendly and prompt. The installation went as scheduled, actually they asked if they could come a day early as it was raining where their scheduled install was located. Their team was polite and professional and didn't cause us any inconvenience. The...
Maui Pacific Solar, Inc.
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Reviewed in September 2013
They were very professional and ordered and installed the axle within two days. I have gone to them several times for tires and oil changes. They will check problems in the car that I am concerned about for free and provide an estimate if one is needed. They are very friendly and helpful. I have...
Goodyear Auto Service Center
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Reviewed in February 2013
I recently had a problem with my solar hot water heater, and I was really afraid that the entire unit would have to be replaced. I called Maui Plumbing and spoke to the owner (Ray). He arranged for one of his senior plumbers to come to my home in Kihei the very next day. The plumber who...
Maui Plumbing Inc
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Reviewed in July 2011
Water heater went out, unknown reason. Turns out that an element/thermostat unit shorted out. I was given the options (new element/thermostat) or new water heater (ours is > 15 years). I chose the new parts. He first came on late afternoon on 7/5, but needed a special wrench to remove the...
Beno Plumbing
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Reviewed in May 2010
Pool installed lop-sided, coping is falling into the pool, he installed a natural gas heater with propane gas and almomst blew us up and burned out the heater, lights don't work, solar heater exploded and is now sitting in a heap on our lawn, there is a big gash in the spa, and much much more is...
Aloha Maui Pools
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Heating Oil questions, answered by experts

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.

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

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

Yes, including optimizing settings and suggesting upgrades if needed.

If a geothermal heat pump is installed correctly, then you shouldn’t have to worry about having a backup heat source such as a furnace or oil boiler. However, there are geothermal systems installed that include a backup in case the heat pump fails due to extreme cold. This is simply a backup heat pump you’ll likely never need and not an alternative heat source.

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