Trusted Air Conditioning and Cooling Services for Southern Illinois Homes and Businesses
When Southern Illinois faces heat and humidity, you need an air conditioning partner you can trust to keep your home or business cool, efficient, and trouble-free. Collards brings decades of experience—dating back to our Collards Heating & Air roots—and serves Williamson, Franklin, and Jackson counties with expert AC installation, routine maintenance, and fast repairs.
Our certified technicians work in Marion, Herrin, Carterville, Carbondale, and surrounding communities to deliver dependable cooling solutions, energy-saving tune-ups, and emergency service whenever you need it. We stand behind our work with transparent pricing, industry-leading equipment, and a commitment to your comfort all summer long.
AIR CONDITIONING SERVICES IN WILLIAMSON, FRANKLIN, AND JACKSON COUNTIES
AC Installation
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AC Maintenance
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Ductless AC
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We Service All Major HVAC Brands with Proven Expertise
Ready for Dependable Air Conditioning Service in Southern Illinois?
The name on your cooling system should never limit who you trust to service it. At Collards, our certified technicians handle every major air conditioner make and model found in Williamson, Franklin and Jackson counties. From high-efficiency central systems to ductless mini-splits, we know each brand’s installation requirements and performance quirks in Southern Illinois’s hot, humid summers.
Our team combines factory training with years of hands-on experience in Herrin, Marion, Carterville and Carbondale. We use advanced diagnostic tools to pinpoint issues quickly and perform precise repairs that restore efficiency and extend equipment life. Every inspection follows manufacturer specifications and best-practice safety standards for your peace of mind.
Don’t wait for a breakdown to find out how well your air conditioner is working. Use our online system analysis tool to get a clear picture of your home’s cooling needs, then schedule service with Collards. You’ll enjoy consistent temperature control, lower energy bills and reliable performance all season long.
Don’t wait until your system breaks down to call for help. Whether you need fast AC repair, a new furnace installation, or an indoor air quality upgrade, Collards Heating & Air Conditioning is here to keep your home or business comfortable year-round. Our friendly, skilled technicians know how to get the job done right the first time and at a fair price. Contact us today to schedule your service and see why your neighbors in Herrin and surrounding Southern Illinois communities trust us for all their heating and cooling needs.
What They Say!
We Work Hard to Deliver That WOW Service That You Expect & Deserve.
Trustindex verifies that the original source of the review is Google.
Joel had my system back up and running in less than a hour for a great price, he showed me exactly what was wrong and how it was happening
Posted on Google
Lady Yashacat
21 days ago
Trustindex verifies that the original source of the review is Google.
DORIS apple happy with the service from Jacob Prince
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Geni Cramer
86 days ago
Trustindex verifies that the original source of the review is Google.
Wonderful team! The office team got us scheduled the very next day. Our tech Tyler came out, figured out the issues with our unit and very patiently explained everything that needed to be done before handling the issue. 10/10 highly recommend.
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Brandon Brink
88 days ago
Trustindex verifies that the original source of the review is Google.
Tyler came out on time and fixed my AC the same day at a good price. I had a different company look at it and they said it needed a new system. Glad I got a second opinion. Thanks for being good and honest!
Posted on Google
Elizabeth Dannan
270 days ago
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Great services and great staff. Highly recommend. Doug is the best.
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Brandon Weisenberger
277 days ago
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Doug came out today for our annual furnace inspection. He did exceptional work getting everything cleaned and tuned up, and he gave us valuable insights on equipment failures that are likely to be upcoming due to the advanced age of our unit.
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Deb N
291 days ago
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Our newer furnace had stopped working in the middle of the night. I called early and they were able to come out same day and get it going again. Paid for parts and service and they will be back with the new part in just a few days. Happy with service.
Posted on Google
Martha Mandrell
323 days ago
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Doug was quick and efficient. The best cleaning I've ever had.
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Laura Cochrum
324 days ago
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The tech, Doug, was very professional and courteous. I so appreciates him respecting our home by wearing shoe covers that means alot! We have had very good service with Collards!
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lonna parker
345 days ago
Trustindex verifies that the original source of the review is Google.
Very nice serviceman! Very fast and knowledgeable...
Will use again!
108 E Walnut Street Herrin, Illinois 62948
Set your thermostat and find your perfect comfort zone with help from Collard Heating & Air Conditioning. As an authorized Lennox™ dealer providing HVAC service in Herrin, Illinois, we make customer satisfaction our top priority. Our friendly, professional team delivers prompt service and precise maintenance agreements to keep your system running at its best. Moreover, our experts are fully capable of repairing most makes and models, including Allied™ Air units, so you can count on us to get the job done regardless of your existing system’s manufacturer.
Contact us in Herrin, Illinois, to turn the dial up on comfort.
