Get matched with top heating oil pros in Hazel Green, WI

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: What are the benefits of geothermal heating and cooling?

• <div><p>Geothermal systems provide energy efficiency, lower utility bills, and long-term sustainability with minimal environmental impact.</p></div>

Q: How long does geothermal servicing take?

• <div><p>Most maintenance checks take 2-5 hours, though extensive repairs may take longer.</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: How do I maintain my geothermal system?

• <div><p>Regular inspections, loop flushing, and checking heat exchangers help extend system lifespan.</p></div>

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Verified Reviews for Heating Oil Service pros in Hazel Green, WI

*The Angi rating for Heating Oil Service companies in Hazel Green, WI 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 Hazel Green, WI 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 27, 2025

Reviewed in May 2014
I took my lawn more to them and i have been doing business with them for a while. They have a special every April and May. I took my lawnmower to them where they sharpen. They did a lawnmower blade and oiled it. It went back home and got it started and it burst out. I called them and...
Dubuque Power Equipment
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Reviewed in September 2013
I was quoted a price for a new battery and the oil was changed. Gary always gives us the option to have him perform the work or do it ourselves. We chose to replace the battery ourselves. We were in and out within the hour.
Auto Dynamics Inc
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Reviewed in September 2013
I made a phone call seeing that the leaky tire was going flat again. Smitty's got me right in and fixed the tire just as they promised. This is the same quality service I've always gotten from Smitty's. If it's a tire, an oil change, or even an appliance sale, Smitty's is a top of the line...
Smitty's INC Tires & Appliances
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Reviewed in September 2013
We noticed that our car was leaking oil a little bit. When we checked the dipstick, it was bone dry. Since it was Sunday, the dealer wasn't open, so we tried Theisens for the Oil Change. Hoping they would be open, we pulled up to the the side garage and stopped in. not only were they open, they...
Theisens Home, Farm and Auto
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Reviewed in September 2013
It went well and we got the oil changed.
Victory Ford
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Reviewed in September 2013
This is the only place I will go for my scheduled oil changes. I find them to be extremely friendly and extremely efficient. I have waited maybe 30 mins tops in the reception area, and enjoyed fresh coffee and watched tv while waiting. The waiting room isn't the cleanest, but what do you expect...
Big 10 Lube
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Reviewed in September 2013
Basic oil change good price
QUICK LUBE
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Reviewed in June 2013
First off, I want to say that I have purchased a car from them. This review is not about the sales department, only the service department. I have nothing to say negatively about the sales department. They were fine. I took my vehicle in for an oil change and service. When I drove away,...
MIKE FINNIN FORD
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Reviewed in November 2012
The process for infloor heat takes some time since we have to coordinate with other subcontractors such as excavators and cement contractors, but Jason has a good working relationship with all these people and helped quite a bit with working schedules out.
S & R Heating Cooling, & Plumbing
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Reviewed in August 2012
Very happy with my oil change it took under 20 minutes and very friendly. Very happy to come back!!!
Tri-State Auto Diagnostics
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Find Heating oil pros in Hazel Green

Fowler Heating & Cooling

4.64(

)

Fowler Heating & Cooling

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

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

Geothermal systems provide energy efficiency, lower utility bills, and long-term sustainability with minimal environmental impact.

Most maintenance checks take 2-5 hours, though extensive repairs may take longer.

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.

Regular inspections, loop flushing, and checking heat exchangers help extend system lifespan.

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