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Air Conditioning & Heating Experts in Carterville, IL

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Charlie's Air Conditioning & Heating has provided Carterville, IL, excellent heating and AC service, repair, installation and system replacement for almost 40 years. We specialize in heating and cooling services as well as blown-in insulation.

What Makes Charlie's Different (and Better!) for Local Carterville Families?

Why pick Charlie's Air Conditioning & Heating as your HVAC contractor? We have been trusted to heat and cool local homes and have the expertise to keep you cool and comfortable in the summer and nice and warm in the winter. We also stock a variety of American-made products that could change how you interact with your heating or cooling system.

We install only YORK products so we can provide you with the finest examples of furnaces, air conditioners and heat pumps. Upgrading and get significant savings on your utility bills as the new HVAC systems are built to operate at maximum efficiency.

Check out our glowing reviews and discover why your neighbors consider us to be their nearby heating and air company in Carterville, IL.

Recent Jobs and Reviews in Carterville, IL

Rated 5.0 out of 5 stars based on 972 customer reviews

Customers say: The overall sentiment across these reviews is overwhelmingly positive, reflecting high levels of customer satisfaction and trust. Customers consistently express appreciation for the professionalism, expertise, and courtesy demonstrated by the service technicians. Recurring themes include punctuality, with technicians arriving on time and completing work efficiently, as well as thoroughness in explaining services, issues, and maintenance recommendations in detail. Many reviewers emphasize the friendly and personable nature of the technicians, highlighting their patience in answering questions and their respectful treatment of customers' homes. There is a strong sense of reliability and trustworthiness, with multiple customers noting their long-term loyalty to the company and their eagerness to recommend the service to friends and neighbors. The technical knowledge and problem-solving abilities of the staff are frequently praised, with customers feeling confident that issues are properly diagnosed and resolved. Overall, the tone is enthusiastic and grateful, with customers expressing satisfaction not only with the quality of work but also with the exceptional customer service experience, including responsiveness for after-hours calls and the ability to address concerns promptly and effectively.

Carterville, IL at a glance

Charlie's Air Conditioning & Heating has completed 25 jobs in Carterville, IL between October 2026 and November 2026.

The 33 customer reviews shown here average 5.0 out of 5.

The most recent job was on November 6, 2026.

Charlie's Air Conditioning & Heating has completed 619 jobs in Carterville, IL in the last 12 months. The first job there was in June 2020.

Our Local Reviews by City

Job Locations and Reviews

Daniel B.
Daniel B. Checked in
Leak search
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
Noise coming from outdoor coil
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Renewal Heating Maintenance Checked wire connections. Replaced filter. Thermostat was operating normally. Heat strips were operating normally. Puron levels were within normal range. Defrost mode was operating normally. Capacitor on outdoor coil was getting weak. Replaced capacitor. Everything else was clean and checked out well. System is operating normally at this time.
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Renewal Heating Maintenance Checked wire connections. Customer replaced filter recently. Thermostat was operating normally. Heat strips were operating normally. Freon levels were within normal range. Defrost mode was operating normally. Everything was clean and checked out well. System is operating normally at this time.
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 Fall Check Up PCSA
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
No AC Room C105 Also get numbers off of remaining old systems.
Carterville, IL 62918
Pete F.
Pete F. Checked in
Checked heat pump operation, electric heat, flushed drain and replaced filter Heating Maintenance Carterville
Carterville, IL 62918
Review
Reliable, on time, knowledgeable, considerate
Larry & Sallie - Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Renewal Heating Maintenance
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Prepaid Heating Maintenance Checked wire connections. Thermostat was operating normally. Heat strips were operating normally. Replaced air filter. Puron levels were within normal range. Defrost mode was operating normally. Compressor capacitor was getting weak. Replaced capacitor. Everything else was clean and checked out well. System is operating normally at this time.
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
Furnace Maintenance Carterville
Carterville, IL 62918
Review
Very informative and polite.
Callahan - Carterville, IL 62918
Review
Very happy
Bob - Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Prepaid Heating Maintenance HVAC Service Carterville
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Renewal Heating Maintenance
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
Furnace Repair Carterville
Carterville, IL 62918
Review
Very prompt, polite and professional service.
Moorman - Carterville, IL 62918
Daniel B.
Daniel B. Checked in
No Heat HVAC Repair Carterville
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
Thoroughly cleaned ice machine and bin. Replaced air and water filters.
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Prepaid Heating Maintenance Checked wire connections. Flushed drain line. Replaced filter. Thermostat was operating normally. Cleaned flame sensor. Burners were clean. CO levels were within normal range. Customer is going to update their CO detector. Control board had a few minor codes. Cleared board of codes. Everything else was clean and checked out well. System is operating normally at this time.
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Renewal Heating Maintenance Checked wire connections. Replaced filters. Flushed drain line. Cleaned flame sensor. Burners were clean. Heat strips were operating normally. Thermostats were operating normally. Everything was clean and checked out well. Systems are operating normally at this time.
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Renewal Heating Maintenance Furnace Repair Carterville
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Prepaid Heating Maintenance HVAC Repair Carterville
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 Fall Check Up PCSA Furnace Maintenance
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
HVAC Service Carterville
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Free W. New Install Heating Maintenance Checked wire connections. Replaced filter. Thermostat was operating normally. Heat strips were operating normally. Due to warm outdoor temperatures, system was tested in AC mode. Puron levels were within normal range. Cleaned outdoor coil. Everything else was clean and checked out well. System is operating normally at this time.
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 Fall Check Up PCSA/Check System Operation
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA Heating Check Up Free W. New Install Heating Maintenance Checked wire connections. Replaced filters (customer provided). Electric heaters are operating normally. Thermostat was operating normally. Puron levels are within normal range. System was tested in AC mode due to warm outdoor temperature. Everything else was clean and checked out well. System is operating normally at this time.
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
HVAC Service Carterville
Carterville, IL 62918
Review
On time, always friendly and knowledgeable
Osifcin - Carterville, IL 62918
Review
Excellent service
Ziegler - Carterville, IL 62918
Review
Excellent Service
Williamson - Carterville, IL 62918
Review
Daniel knows his stuff (as I had already done previous research on AI). Daniel is extremely patient and will take the time and explain anything no matter how long it will take to explain it. Great customer service!!!
Jenny - Carterville, IL 62918
Review
Quick
Brothers - Carterville, IL 62918
Review
Professional, courteous, knowledgeable
Courtney - Carterville, IL 62918
Review
Great service
Cacioppo - Carterville, IL 62918
Review
The BEST !!!!!
Guyton - Carterville, IL 62918
Review
Jacob was professional and mindful of our home. He did an excellent job.
Fuchs - Carterville, IL 62918
Review
Jacob was knowledgeable and friendly.
Pat - Carterville, IL 62918
Review
Great service and timely.
Mitchell - Carterville, IL 62918
Review
He did a great job cleaning both of our units.
Kristina - Carterville, IL 62918
Review
In the last few years I’ve paid two different local Heating/Air companies to address issues with our home hvac system. I recently decided to get help from Charlie’s. I’ll never call any other company again. I’m sticking with Charlie’s for as long as I live in southern Illinois!! Daniel was awesome and addressed every issue in a timely manner. He also gave me great advice on different ways I can maintain the system and try to extend the systems life a little longer. Couldn’t ask for a better result from a Heating & Air company. Thank you guys so much.
Guy - Carterville, IL 62918
Review
Charlie's Heating and Air has been keeping our HVAC systems running for years. Service is excellent as always
Greenlee - Carterville, IL 62918
Review
Very professional and honest
Babington - Carterville, IL 62918
Review
Prompt and worked diligently to figure out the issue
Callahan - Carterville, IL 62918
Review
In and out
Steinacher - Carterville, IL 62918
Review
Excellent service on time and polite
Callahan - Carterville, IL 62918
Review
He was very polite and professional
Mayo - Carterville, IL 62918
Review
A+ as always!
Perkins - Carterville, IL 62918
Review
He is very professional and pleasant.10
Jerry - Carterville, IL 62918
Review
Its that time of year to have my furnace check up, and Daniel, from Charlies Heating And Air, came out and looked at my furnace and said it was good for another year. He spent a long time at my house and his service was excellent.
Sharon Wunderle - Carterville, IL 62918
Response from Charlie's Air Conditioning & Heating:

Thank you for being a customer!

Review
He was very good and knowledgeable
Pat Kelly - Carterville, IL 62918
Response from Charlie's Air Conditioning & Heating:

Thank you for being a customer, Pat! We appreciate you!

Review
Fast and friendly as always.
Benjamin Ragan - Carterville, IL 62918
Response from Charlie's Air Conditioning & Heating:

We appreciate you taking the time to leave a review!

Review
Very professional and knowledgeable.
Mark S - Carterville, IL 62918
Response from Charlie's Air Conditioning & Heating:

Thank you for being a customer!

Review
Always On time, Knowledgeable, Polite! Charlie's the BEST!
Michael Baker - Carterville, IL 62918
Response from Charlie's Air Conditioning & Heating:

We're happy to hear Justin took good care of you! Give us a call any time!

Review
Daniel is very friendly and does a great job
Mike Scott - Carterville, IL 62918
Response from Charlie's Air Conditioning & Heating:

We are so happy to take care of you! Thanks for being a customer!

Review
Charlies is always dependable. They came out right away and gave us honest and dependable service. The best Air and Heating company around!
Steve Battiste - Carterville, IL 62918
Response from Charlie's Air Conditioning & Heating:

Thank you Steve! It's always a pleasure to work with you.

Review
Jakob arrived on time and was very polite, professional and knowledgeable. Jakobs work was very thorough and completed in a timely manner In my opinion Charlies has the best, most polite service members in the business. Thanks again for continued 5 star service!
Bill Lannom - Carterville, IL 62918
Response from Charlie's Air Conditioning & Heating:

Thanks Bill for taking the time to tell us about your service today!! We are so fortunate to have Daniel representing out company. Thanks again, Pete Fozzard Co-owner Charlie’s AC and Heating

Five Star Service. Five Reviews.

Read Reviews
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