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>

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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Verified Reviews for Heating Oil Service pros in Fort Harrison, MT

*The Angi rating for Heating Oil Service companies in Fort Harrison, MT 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 Fort Harrison, MT 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 November 13, 2025

Reviewed in October 2025
Cameron is awesome and does exceptional work. He?s our heating and cooling guy going forward.
Montana Heating and Cooling LLC
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Reviewed in October 2017
Cleaned boiler, replaced defective part, checked values to heating zones and to hot water heater.
Dayspring Plumbing & Heating Inc
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Reviewed in May 2017
It went very well. Clark's Plumbing & Heating plumbers do great work. I was surprised at the cost but then I was reminded that the hot water heater is a hybrid system that works in conjunction with the furnace (which is more expensive than a stand-a-lone hot water heater).
CLARK'S PLUMBING & HEATING
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Reviewed in November 2014
He was great. He came over on his busiest day because he was in the area. We called several different business and he was one of them. he wasnt able to come on that same day, but he came the next day. We were under the assumption that we had to change heaters which is very expensive. When Ryan...
Alltemp Heating And Cooling
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Reviewed in April 2014
They were okay. In fact, in the week it destroyed the flooring under the hot water heaters and they were willing to rebuild that part to make that solid so that there will be no issues with the hot water heaters. They did a good job and the price was reasonable under that circumstances.
3 Brothers Plumbing
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Reviewed in April 2013
When I called him for all three jobs, he came over the same day. When he replaced the innards for the toilet he had a really hard time getting the nut off the bottom of the toilet, but he never gave up, never said it was impossible and he tried every trick in the book. He did finally remove it...
A & M Plumbing & Heating LLC
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Reviewed in March 2013
The process of replacing and installing a new central air conditioning system was painless from beginning to end. The estimate was the final cost. Very pleased with their professionalism. Update: 9 months after the installation of the heating system, a problem developed. The serviceman was...
ALL SEASONS HEATING & AIR COND
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Reviewed in November 2012
He was a very pleasent young man, did the job and went on his way. I do use this company for any work or problems I have with my heating system.
Intermountain Heating & Air Conditioning LLC
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Reviewed in October 2012
Recently, the price for my Subaru went up to $50 with a $3 discount for being a veteran. I called the owner and he defended the cost and told me I wouldn't find it cheaper anywhere in Helena. I found a coupon for Jiffy Lube for $20 online. I had my car serviced there and am very happy with...
Eagle Tire Complete Automotive
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Reviewed in April 2012
They replaced a hot water heater that did not need to be replaced (misdiagnosed the problem). They owned up to the mistake but then presented me with a bill for about $1000.00 (minus a $200 sorry we screwed up discount) for replacing the water heater (and that does not even include the cost of...
Bigskyguys.com
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Heating Oil questions, answered by experts

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.

A geothermal heat pump system will take about 10 years to pay for itself, and it has a life span of anywhere from about 25 to 50 years. Installing a geothermal heat pump will cost about $14,250 upfront, but it can reduce your energy bills by around 65% when compared to a conventional HVAC system.

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

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.

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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