Top Dupo, Illinois HVAC Companies

Find a heating, air conditioning, ventilation contractor serving Dupo, Illinois

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If you need HVAC service in Dupo, Illinois, Best of the Web is the right place to start. Here you’ll find qualified and verified Illinois HVAC contractors. No matter where you live, start your search here and find an HVAC technician.


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32 listings found
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A-1 Budget Heating & Cooling

A-1 Budget Heating & Cooling is a trusted HVAC contractor in Columbia, IL, specializing in air conditioning repair, installation, and maintenance services. With over… Unclaimed: Claim this business

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AAA Heating & Cooling

AAA Heating & Cooling: Your trusted HVAC experts in Belleville, Illinois. Specializing in air conditioning installation, repair, water heater repair, and more. With over… Unclaimed: Claim this business

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American Pride Heating and Cooling

American Pride Heating and Cooling: Trusted heating contractor and HVAC contractor specializing in ACs, furnaces, heat pumps, indoor air quality systems, and geothermal systems.… Unclaimed: Claim this business

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B & S Heating & Cooling

Trust B & S Heating & Cooling for all your air conditioning, heating, ventilation & air conditioning needs in Madison, IL. We are dedicated… Unclaimed: Claim this business

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BEL-AIR HEATING & COOLING

BEL-AIR HEATING & COOLING is a trusted HVAC contractor in Belleville, IL, providing top-notch air conditioning and heating services. With over 10 years of… Unclaimed: Claim this business

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Brinkmann Heating & Cooling

Brinkmann Heating & Cooling: Your trusted comfort experts in Waterloo, IL. With over 30 years of experience, we offer reliable HVAC services for Monroe,… Unclaimed: Claim this business

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Brunsmann Heating & Refrigeration Service

Brunsmann Heating & Refrigeration Service is a trusted HVAC contractor in Belleville, IL. With over 20 years of experience, we specialize in air conditioning,… Unclaimed: Claim this business

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Climate Bullies Heating and Cooling

Climate Bullies Heating and Cooling is a leading HVAC contractor providing exceptional heating and cooling solutions in Belleville, IL. With over 10 years of… Unclaimed: Claim this business

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Dow Heating & Air

Dow Heating & Air is a leading heating and air conditioning contractor in Millstadt, Illinois. With years of experience, we provide top-notch HVAC services… Unclaimed: Claim this business

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Ductless Hvac Supply

Ductless HVAC Supply is a trusted distributor of top-quality heating and cooling equipment in Belleville, Illinois. With over 67 years of experience in the… Unclaimed: Claim this business

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Eagle Ac Heating & Refrigeration Inc

Eagle AC Heating & Refrigeration Inc is a reputable air conditioning contractor based in East Carondelet, IL. Our experienced team specializes in providing top-notch… Unclaimed: Claim this business

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Energy Star Heating and Cooling LLC

Energy Star Heating and Cooling LLC is a trusted HVAC contractor in Madison, Illinois. We specialize in heating, cooling, air sealing, insulation services, and… Unclaimed: Claim this business

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Energy Stars Heating & Cooling

Energy Stars Heating & Cooling Co is a trusted HVAC contractor providing top-quality repairs, installations, and maintenance services for heating and air conditioning systems.… Unclaimed: Claim this business

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Energy Stars Heating & Cooling Co

Energy Stars Heating & Cooling Co is a leading HVAC contractor specializing in heating, air conditioning, air sealing, and insulation services. With a commitment… Unclaimed: Claim this business

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Garrett Heating & Cooling

Garrett Heating & Cooling is a trusted HVAC contractor in Caseyville, IL, specializing in AC repair, furnace installation, and HVAC services. With over 25… Unclaimed: Claim this business

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Greenfields Heating & Cooling

Greenfields Heating & Cooling is a trusted HVAC contractor in Columbia, IL. We offer expert air conditioner repair and furnace repair services along with… Unclaimed: Claim this business

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Harster Heating & Air Conditioning Co

Classic Aire Care (formerly Harster Heating & Air Conditioning Co) is a trusted HVAC contractor in St. Louis offering comprehensive heating, air conditioning, and… Unclaimed: Claim this business

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Heck Heating & Cooling

Heck Heating & Cooling is a reputable HVAC contractor that specializes in air conditioning and heating solutions. With our experienced team of professionals, we… Unclaimed: Claim this business

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Inman Heating & Cooling

Inman Heating & Cooling is a trusted HVAC contractor providing exceptional air conditioning installation, repair, and maintenance services in Columbia, IL. With skilled technicians… Unclaimed: Claim this business

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Kiefer Heating & Cooling, Inc.

Kiefer Heating & Cooling, Inc. is a trusted HVAC contractor based in Belleville, Illinois. With over 93 years of experience, we specialize in providing… Unclaimed: Claim this business

Top HVAC Services

 

 While there are a lot of services offered by Illinois HVAC contractors, here are some of the most common reasons you may call one for.

 
  • Heater or AC doesn’t come on: When this happens, you turn on the AC or heater and nothing happens. If your unit doesn’t respond, it could be a problem with the unit itself or with the thermostat. 
  • Maintenance: Once a year you need to have your HVAC systems checked by a professional. They’ll check your system for damage or corrosion, examine the blower, check the vents for blockages or leaks, and give the whole system a once over.
  • HVAC makes strange noises: If you turn on the heater or air conditioner and hear an odd clanking, banging, screeching, or any other strange sound, It could be from a faulty fan or other part failure. 
  • Low system performance: If the heater struggles to maintain the temperature, the AC can’t cool quite enough, or the system constantly turns on and off, there is probably something causing degraded performance.
  • Poor air quality: Have you noticed strange smells or a lot more dust than usual? There could be a bad air filter or other problem with your HVAC that is causing poor air quality. 

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Recent HVAC Services Reviews

Recent Review

Hunt's Services

Larry Abraham Thursday, April 4th 2024
Great service with great follow up you can tell the owner is a stud
Recent Review

Warm or Breezy Heating & Cooling

Sarah Bennett Tuesday, November 30th -0001
I hired Jason to look at a persistent problem with the furnace. He charged me nearly $400 and said it [...]
Recent Review

Hibdon's Heat and Air

Tommy Tuesday, November 30th -0001
I had my heater go down and within 2 hours, they had my system diagnosed and up and running. They only [...]

Illinois HVAC Cost Guide

When you pay for HVAC service your money goes toward the labor of the technician, the costs associated with running the business, the parts that may be necessary for the service, and for any supplies needed for your project. Costs will vary based on your location. Below are the averages you can expect for some of the usual HVAC repairs or services.

 
  • National Average: $155-515
  • Thermostat Replacement: $120-330
  • Maintenance: $100-135 
  • Fan Repair: $365-660
  • Coolant Recharge: $150-595
  • Ignitor Replacement: $225-335
 

Tips For Hiring An HVAC Technician

 

There are a lot of HVAC technician’s around Dupo, Illinois, and that can make it difficult to select a good one. Below are some tips to help get you started in your selection.

 

Check Reputation And Reviews

 

The first and best thing you should do when looking for an HVAC technician is to check their reputation and reviews on Best of the Web. You’ll find a list of qualified and verified HVAC professionals near you. You’ll see their reviews, as well as details like their phone number and the hours they operate.

 

Ask Questions

 

Any quality HVAC technician should be willing to address your questions and concerns. If they won’t, they may not be someone you want to do business with. You can choose someone else if they are unwilling to explain things. Find a professional you feel comfortable with and trust to complete the work properly.

 

Get It In Writing

 

You’ll probably want quotes from multiple technicians before hiring. Get their quotes in writing, so you can refer back to that quote when it comes time for the work. This allows you to make sure they only repair what they quoted and charge the quoted price. Technicians should get pre-approval for any work they do above what was in their quote.

 

Frequently Asked Questions about Hiring HVAC Techs

 

Should I Repair Or Replace My System?

 

If your HVAC system is over fifteen years old, it’s likely time to replace it. As a system ages, the cost for repairs typically goes up. Older systems may not be as efficient to operate or perform as well as a new system. Also, replace your system if the cost of a repair exceeds half the cost of a new system and it is no longer under warranty.

 

Do HVAC Technicians Have To Be Licensed?

 

Whether an HVAC technician must be licensed or not depends on the state you reside in. Some states do not require a license, but most do. Often, non-licensed and non-certified technicians may do low-quality work. While not all unlicensed technicians perform substandard work, it increases that risk.

 

What Is The Best Way To Find A Reputable HVAC Technician Near Me?

 

The best way to find an HVAC technician near you is to check Best of the Web. You can find a list of HVAC professionals near you, and you can read their reviews and see their details. You’ll find only verified and reputable HVAC technicians, and you can trust what you find.