Residential HVAC

Residential HVAC Services

FREE Estimates on New Equipment

Upfront, Honest Pricing

Family Owned & Operated Since 1986

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Expert Furnace Repair in Collinsville, IL and Beyond

No matter the season, it's important to keep your home environment safe and comfortable. Next time you're in need of furnace installation or repair services, count on Airco Service Co, Inc to get the job done right. Ask us about our regular maintenance plans to ensure your system continues to work well. We offer 10-year warranties on new equipment, so if you think it's time for an upgrade, we'd be happy to recommend some of our products.


When it comes to AC repair in Collinsville, IL, don’t wait until your unit is beyond fixing. Rather than delaying the process, get in contact with our team today. We’ll be able to have the issue taken care of in no time at all. Our experts are highly trained and experienced, ready to tackle any job you need to have done. For all cooling work, including furnace repair in Collinsville, IL and the surrounding areas, work with the team you can count on year-round. Work with Airco Service Co, Inc. We look forward to hearing from you and learning more about how we can assist you.

High-Quality Residential HVAC Services


Are you in need of AC repair in Collinsville, IL or a nearby neighborhood? Come to Airco Service Co, Inc for high-quality residential HVAC service. Our third generation local and family-owned business has over 35 years of experience. We provide maintenance agreements to get your HVAC system ready for any season. Whether you're in need of a repair or installation of a new heating or cooling system, we can help.


If you have an existing system that needs to be replaced, we can update it to a new system. We can also install or repair furnaces, geothermal systems, Wi-Fi thermostats, humidifiers, filters for indoor air quality and more.


If you're ready to begin HVAC service for your home, call us today! Services calls are available after hours and on weekends.

Take Advantage of Our Warranties

Take advantage of our 10-year warranties on new equipment.

Call us today!

(618) 297-8110

(618) 297-8110

Very knowledgeable service techs that are honest and don’t try to sell you anything you don’t need.

- Beverly Renfro via Google

Learn More About

Airco Service Co, Inc.

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