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    Average homeowner rating
  • Verified reviews icon10
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Verified Reviews for Heating Oil Service pros in Potosi, WI

*The Angi rating for Heating Oil Service companies in Potosi, 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 Potosi, 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 25, 2025

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Avatar for Fowler Heating & Cooling

Fowler Heating & Cooling

4.64(
22
)

Fowler Heating & Cooling

4.64(
22
)
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor 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].

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.

Leaks, poor airflow, reduced efficiency, and loop blockages are common problems requiring service.

It’s a better use of energy (and your money) NOT to run an ERV system all the time. Most experts recommend that you cycle your ERV system on and off throughout the year. However, the recommended advice could change based on your climate, the number of people in your home, the size and style of your home, and your heating and cooling system. Contact a local pro for more specific advice.

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

Yes, technicians check refrigerant levels, loop performance, and system calibration for peak efficiency.

The homeowners guide to home care is here

From average costs to expert advice, get all the answers you need to get your job done.

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