St Clair County, IL
HVAC Pros in St Clair County, IL
Compare verified HVAC providers serving St Clair County, IL.
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Quick facts
- AreaSt Clair County
- StateIL
- Providers48
- Typical ticket$3.5k – $11k
Top local providers
Request quotes →- Classic Aire CareTop ratedinstallationrepairinspectionemergency
What customers say “I was having trouble with my furnace shutting off. I changed batteries and filter, turned unit off and on. It did…”
- Meyer Heating and AirTop rated
What customers say “Our 35-year-old HVAC system failed, and our home warranty recommended a replacement. Wanting a second opinion, I…”
- Dole Heating & Air ConditioningTop rated
What customers say “I recently had HVAC work done by Dole, and I couldn't be happier with the results! After years of longing for a…”
- Indoor Comfort TeamTop rated
What customers say “Thanks for sending Russ, his work ethic and attention to detail is inspiring. The AC system has been neglected and the…”
- Central Air Heating and CoolingTop rated
What customers say “I had a fantastic experience with this HVAC service at my rental property. The technician arrived on time, quickly…”
What customers say “We have been doing business with St Louis Heating And Air since August of 2019. They have provided excellent service,…”
- Averill Heating & Air ConditioningTop rated
What customers say “Averill should be your first call for ANY air conditioning or heating needs! My son was in need of a new AC/Furnace for…”
- Archway Cooling & Heating IncTop rated
What customers say “Top notch service from Archway. Brandon came out on a Sunday morning during one of the coldest mornings to diagnose our…”
- Anytime Heating & CoolingTop rated
What customers say “I needed a new furnace as my current one was no longer serviceable. My Home Warranty Company contacted Anytime Heating…”
- Assured Heating & CoolingTop rated
What customers say “The team at Assured Heating and Cooling did an awesome job installing a mini-split heat pump in my bedroom. The bedroom…”
- Aire Serv of St. LouisTop rated
What customers say “Had a great experience once again with Eureka Heating & Cooling/Aire Serv. They had my mini-split up and running in no…”
- CLEANSTREAM LLCTop ratedinstallationrepairemergency
- Action Mechanical ServicesTop ratedinstallationrepairemergency
What customers say “For the review The Action Mechanical Services team was fantastic, couldn't be happier with the service. They arrived…”
What customers say “We are military and new to Mascoutah. Our heat went out 4 Jan (right before a major winter storm) and Brian was the…”
- Reliable Heating & Cooling Inc.Top rated
What customers say “I have been a customer of Reliable Heating and Cooling for 20+ years. This installation HAVC is my second one.…”
Local pricing snapshot
Repairs typically run $150–$600. Full system replacements range from $4k for a basic furnace to $12k+ for a premium heat pump. Prices vary by system type, efficiency, and whether ductwork modifications are needed.
Cities in this county
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Frequently Asked Questions
Do HVAC pros in St Clair County charge travel fees?
Some rural routes include a trip charge. Confirm before scheduling and ask whether it applies to the estimate.
Which cities are in St Clair County?
St Clair County includes multiple local cities.
Are permits required for HVAC work?
Most Illinois jurisdictions require a mechanical permit for equipment swaps. Ask your provider who pulls the permit and how it is priced.
Licensing verified weekly. Reviews refreshed within the last 30 days.
Licensing data: Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) · Company data: verified business records + Google Business profile
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