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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 950 customer reviews

Customers say: The overall sentiment across these reviews is overwhelmingly positive, reflecting high customer satisfaction and appreciation for the service provided. Customers consistently express strong approval of the professionalism, knowledge, and courtesy demonstrated by the technicians. Recurring themes include praise for friendly and polite demeanor, thorough and efficient work, and clear communication throughout the service process. Many reviewers emphasize the trustworthiness and reliability of the company, with several noting long-term positive relationships and repeat satisfaction over multiple years. The tone is enthusiastic and grateful, with customers frequently using superlative language to describe their experiences. There is a notable appreciation for technicians who are personable yet professional, who take time to explain their work and answer questions, and who demonstrate genuine expertise in HVAC systems. The sentiment reflects a strong sense of confidence in the quality of service, with many customers expressing their willingness to recommend the company and their happiness in having chosen this provider for their HVAC needs. Overall, the reviews convey a consistent pattern of excellent customer experiences characterized by competence, respect, and reliability.

Our Local Reviews by City

Job Locations and Reviews

Daniel B.
Daniel B. Checked in
2026 3rd Quarter PM
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance Air Conditioning Repair Carterville
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Renewal AC Maintenance HVAC Repair Carterville
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Renewal AC Maintenance HVAC Service Carterville
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance Air Conditioning Repair
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance HVAC Repair Carterville
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance Air Conditioning Repair Carterville
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
3rd Quarter PM
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance Air Conditioning Repair Carterville
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
Water in floor near furnace
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 AC Maintenance Cleaned ice machine and replaced water filters. Cleaned mini split filters. Checked wired connections and replaced filters. Flushed drain lines. All thermostats operating normally. Puron levels within range. Need to return to clean outdoor coils. 7/6/26: Return to clean coils.
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance Checked wire connections. Filter was passable. Flushed drain line. Thermostat was operating normally. Puron levels were within normal range. Cleaned outdoor coil. Everything was clean and checked out well. System is operating normally at this time.
Carterville, IL 62918
Review
He was very polite and professional
Mayo - Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance HVAC Service Carterville
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Renewal AC Maintenance HVAC Repair Carterville
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance Air Conditioning Service
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance Checked wire connections. Replaced filter. Flushed drain line. Thermostat was operating normally. 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
No AC
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance Air Conditioning Repair Carterville
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance Air Conditioning Repair
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 Spring Check Up PCSA Prepaid Checked wire connections. Customer replaced filter recently. Flushed drain line. Thermostat was operating normally. Freon 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 PCSA AC Check Up Renewal AC Maintenance
Carterville, IL 62918
Review
A+ as always!
Perkins - Carterville, IL 62918
Daniel B.
Daniel B. Checked in
AC not keeping up with
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
2026 PCSA AC Check Up Renewal AC Maintenance Checked wire connections. Customer replaced filters recently. Flushed drain lines. Thermostats were operating normally. Freon levels were within normal range. Cleaned outdoor coils. Everything was clean and checked out well. Both systems are operating normally at this time.
Carterville, IL 62918
Daniel B.
Daniel B. Checked in
Coil frozen
Carterville, IL 62918
Jakob E.
Jakob E. Checked in
2026 PCSA AC Check Up Prepaid AC Maintenance HVAC Service Carterville
Carterville, IL 62918
Review
He is very professional and pleasant.10
Jerry - Carterville, IL 62918
Review
Daniel is very courteous and professional. He came to help on a Saturday evening when our AC was not working.
Ziegler - Carterville, IL 62918
Review
Excellent work
Laurie Goodwin - Carterville, IL 62918
Review
Great work.
Chris - Carterville, IL 62918
Review
He is very professional, very thorough on going through the unit. Very polite.
Watson - Carterville, IL 62918
Review
Five
Terry - Carterville, IL 62918
Review
Great Service!
Jeff - Carterville, IL 62918
Review
Excellent
Cooper - Carterville, IL 62918
Review
Fast and effecient. Serviced and repaired my system for a number of years and he has always done a great job!
Allen - Carterville, IL 62918
Review
Charlie’s HVAC has taken care of our home for years. We’ve got an aging system and they’ve kept us up and going with honest, affordable service.
Dylan - Carterville, IL 62918
Review
Daniel is pleasant and knowledgeable about HVAC systems and always performs professionally whenever he services our home. I have no hesitation in recommending Charlie’s Heating and air-conditioning to anyone. who is looking for a reliable.HVAC COMPANY.
Fahringer - Carterville, IL 62918
Review
Professional
Waldron - Carterville, IL 62918
Review
Always a quality job!
Flath - Carterville, IL 62918
Review
Daniel was very knowledgeable about our equipment and explained the service done on it. He showed professionalism and is very personable.
Flesner - Carterville, IL 62918
Review
My air conditioner is working correctly thanks to Daniel’s expertise. He did a great job!
Hahn - Carterville, IL 62918
Review
Very satisfied
Angie - Carterville, IL 62918
Review
Always great service
Fleming - Carterville, IL 62918
Review
Service was excellent. Very respectful, wore boots to keep the floors clean. Thank you!
Scott - Carterville, IL 62918
Review
As usual. Good professional service.
Gallop - Carterville, IL 62918
Review
Daniel is very knowledgeable and so polite.
Groll - Carterville, IL 62918
Review
Jakob did a great job. He was respectful, experienced and competent. Thank you Jakob for the excellent service!
Rick Scoggins - Carterville, IL 62918
Review
Thorough! Great service
Groll - Carterville, IL 62918
Review
Jakob was friendly and professional. Charlie’s always take care of our heating and a/c needs!
Behan - 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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