Skip to Content


Climate Control Systems strives for customer satisfaction! We have many happy customers who would love to share their stories with you. Take a look and read all of our testimonials below. If you are ready to start your service, please call us today at 815-849-8893.
    "In & Out"
    They came out in one day and completed the job.
    - Vanesse H.
    I highly recommend them.
    - Charles C.
    "Amazing Company"
    If there is a rating higher than 5 stars, these people are so much more than deserving of it.
    - Lynne C.
    "Prompt and knowledgeable."
    I have been very satisfied each time we call for service.
    - Craig I.
    "Highly Recommend!"
    Our furnace went out on Tuesday evening. We called Climate Control at 7pm and they had the tech at our house in an hour. He was very knowledgeable and polite.
    - Joe L.
    "Great Customer Service!"
    Circuit board fried;, Our regular HVAC man is currently recovering from an illness, but recommended Climate Control as professional and knowledgeable.
    - David S.
    "A+ Service!"
    I will only use Climate Control for my HVAC needs. Whenever I have ever had an issue, they are at my residence in timely fashion and get things fixed right away.
    - Michael B.
    "Extremely Pleased!"
    I have been a customer of climate control systems for over 15 yrs. & they are just so great. When I call the office & speak with Megan or any of the other girls in the office they are so pleasant & helpful.
    - Marguerite O.
    "Excellent Work! I wish I could rate 10 stars."
    Everyone was extremely professional and knowledgeable. Gary, the owner, is one of the most helpful people that I have ever met
    - Patrick Bennett
    New Lenox, IL
    "Professionalism, Punctuality, Quality, Responsiveness, Value"

    Best experience ever! I got a few quotes and they came back the least expensive—with the best reviews. They were super professional, courteous, and timely.

    - Shelby Light
    Country Club Hills, IL
    "Professionalism, Punctuality, Quality, Responsiveness, Value"
    To my surprise, Gary McLaren, owner, was my service person. End result was the need for a new furnace where I met Paul, their top tech, and their installation crew, all of whom were very professional and knowledgeable.
    - Barb Martin
    Frankfort, IL
    "Professionalism, Punctuality, Quality, Responsiveness, Value"
    The next morning they came and replaced my water heater! The guys did an amazing job! Service does not get any better than this!
    - Jennifer Kirkey
    Orland Park, IL
    The cost for maintenance on both my furnace and a/c was fair, and they were able to accommodate my schedule. Highly recommend them to anyone seeking hvac services.
    - Kristen Adams
    Crete, IL
    "Trustworthy and Reliable"
    We have the utmost level of confidence in this company, and recommend Climate Control to friends and family without hesitation.
    - Barb L.
    Frankfort, IL
    Climate Control Systems staff and crews continue to provide excellent service for all our HVAC needs. The new installation was completed in a very timely manner.
    - David Werner
    "Professionalism, Punctuality, Quality, Responsiveness, Value"
    Highly recommend their company for HVAC repair.
    - Terence Stephens
    "Great Experience"
    The crew got to the job on time. They introduced themselves and got right to work. The installation went smoothly and in a couple of hours, the job was complete.
    After a spotless cleanup, I was given a tour of what was done both inside and out.
    - Mike D.
    "Quick and Knowledgeable"
    I was very impressed with the quality of service and the price. Thank you for keeping us cool on the hottest day of the year so far.
    - Heather G.
    The Climate Control Systems owner came out and looked at things, no pressure and $800 cheaper for the full install of both. Crew was on time, professional and finished in about 5 hours. No issues on anything and cleaned everything up.
    - Sue S.
    "Thorough and Professional"
    Thanks for the quick response in getting our air conditioning back up and running at my office.
    - Michael S.
    "Wonderful Customer Service!"
    I have been using Climate Control for many years. I love that twice a year they come out clean and service my AC and Furnace. When I first stated I learned I had been using the wrong furnace filter in fact I needed fiberglass for my particular furnace or m
    - Ashley K.
    "Very Professional!"
    Thank you so much on our complete system replacement. Very professional and friendly workers.
    - Diana D.
    "Amazing Customer Service!"
    Response was almost immediate. Understood our problem. Service was quick and very efficient.
    - Jerry A.
    "Definitely Recommend!"
    Two techs came to my house earlier than told which I do did appreciate as I work overnight shift. Both techs were friendly, polite and wore shoe covers to protect my floors and carpets.
    - George S.
    "Very Satisfied!"
    Had a service inspection on heating and cooling system and certification for sale of residence. Service tech was prompt and knowledgeable.
    - Craig I.
    "Always Professional!"
    As always, Paul is most professional and thorough in my yearly fall maintenance.
    - Maureen A.
    "Outstanding Service!"
    Climate Control is an outstanding long established business which provides prompt professional service.
    - Pamela H.
    "Exceptional Service!"
    They are on time. Fair and honest with the price for their services.
    - Mike D.
    "Always A Pleasure!"
    Climate Control is the best. Can't say enough good things about this place.
    - Joyce M.
    "Excellent Service!"
    Excellent service. Climate Control Systems, did a wonderful job. Our air conditioner and furnace are original to the house, when we moved in over 30 years and it was time for an upgrade. Gary, the owner, was wonderful and explained everything very clearly
    - Peggy H.
    "Truly Trustworthy!"
    We have used Climate Control Systems from Frankfort multiple times.
    - Charles C.
    "Great Business!"
    Climate Control you guys are great! Came out so fast and right on time! Your tech was able to diagnose and change my capacitor in less then an hour!
    - Jenny M.
    "Professionalism, Punctuality, Quality, Responsiveness, Value"
    Professionalism, Punctuality, Quality, Responsiveness, Value
    - Barb Martin
    Frankfort, IL
    "Professionalism, Punctuality, Quality, Responsiveness"
    Professionalism, Punctuality, Quality, Responsiveness
    - Danielle Daly
    "Quick and Knowledgeable"
    I was very impressed with the quality of service and the price. Thank you for keeping us cool on the hottest day of the year so far.
    - Heather G.