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 GREENVILLE, IL HOMEOWNERS

4.4
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Verified Reviews for Heating Oil Service pros in Greenville, IL

*The Angi rating for Heating Oil Service companies in Greenville, IL 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 Greenville, IL 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 July 2024
Showed up to install a new water heater same day. I was very happy with my experience. Tim was able to answer all my questions and the project was done very quickly. Excellent service very knowledgeable and professional. I completely recommend Grundy Plumbing.
GRUNDY PLUMBING, LLC
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Reviewed in January 2023
Had our yearly cleaning and check up done on our heating system. The serviceman was was very professional, informative, and prompt.
Four Seasons Heating & Air Conditioning
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Reviewed in October 2016
Cathy listened to our wish list and created a design that was awesome. She was readily available throughout the project. The entire team worked in extreme heat and humidity to get the job done on time. They were very, very polite and professional. They left the area clean each day. We even...
HOOKS LANDSCAPING LLC
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Reviewed in June 2014
Eclipse was so responsive and easy to work with, I did not get another quote. I've dealt with enough service providers to know that when someone with 20+ years of experience comes out quickly, after hours to provide the quote, then follows up and does great work that they are worth referring to...
Eclipse Window Tinting
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Reviewed in September 2013
I had two lights appear on my dashboard. It was a Saturday, so I wasn't sure where I could go to get it checked out. I saw Rex's and stopped in there. I asked them if they could help me. They did a diagnostic test, fixed the problems and only charged me for the air filter that I requested to...
REX'S QUICK LUBE
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Reviewed in September 2013
on friday september 6 a Band B repairman came to our house to look at our whirlpool dishwasher which was not operating. he told us it needed a new heating element. he said he would have the part the next day (which was a saturday) and would return in the morning to make the repairs. today is...
B & B Appliance Parts & Services
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Reviewed in August 2012
This was for some rental properties we have. We will use them as our go to guys for heating and air conditioning. They are very professional. We made the appointment and they called on their way out. They were on time. They communicated well while everything was being done during the maintenance.
RCM Heating & Cooling
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Reviewed in June 2012
The issue with my air conditioning was all due to me, however, the technician took the time to explain why my house wasn't cooling properly, what issues there were with the things I needed to change, and how I could help my system last longer (it is too large for my house which will age it...
Advantage Appliance Service
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Reviewed in June 2012
Steve Ellison came to our house to provide an estimate on the installation of a pool heater. He was pleasant, helpful and provided good tips on other aspects of our pool care. He also indicated that he was available pretty much any time to do the actual installation work. However, when we...
D&S Gas
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Ambit Energy Independent Sales Consultant

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Ambit Energy Independent Sales Consultant

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19 years of experience

Alternative Gas & Electric Service Provider. Go on line at www.2FreeEng.com for your No Obligation Free Quote. No Cost to switch your service! Takes about 10 minutes and you could be saving and earning travel rewards and Free Energy options!

Fowler Heating & Cooling

423 S Court St

4.64(

)

Fowler Heating & Cooling

423 S Court St

4.64(

)

Customers say: Super punctual

Recommended by 90% of Angi customers

Fowler Heating and Cooling is Family owned and operated. Serving the Southern Illinois Area since 1979. Specializing in Heating, Air Conditioning, Furnaces, and Duct Cleaning. Our dedication and appreciation of our customers and their needs has resulted in over 70% of our business comes from referrals. We care about our quality of our work, and the relationships with our customers. ‎ [email protected].

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.

NATE-certified technicians may charge slightly higher service fees compared to non-certified technicians. This is because NATE certification signifies a higher level of expertise and professionalism, often leading to more efficient and effective HVAC repairs and installations. While the upfront cost may be marginally higher, NATE-certified technicians can potentially save you money in the long run by reducing energy consumption, preventing frequent breakdowns, and extending the life span of your HVAC system. When looking for a local HVAC company to hire, it never hurts to ask about NATE certifications.

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.

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

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

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