Reliable Comfort, Right When You Need It Most
Recognized for Outstanding Service
  • HomeAdvisor Screened & Approved
  • BBB A+ Accredited Business
  • Carrier Factory Authorized Dealer
  • Carrier President's Award
  • NATE

    Serving Belleville, Granite City, Edwardsville, O'Fallon, Collinsville, East St. Louis, Fairview Heights, Highland, Troy, Glen Carbon, Madison County, Columbia, Cahokia, Wood River, Mascoutah, Maryville, Caseyville, Clinton County, Millstadt, Lebanon, Breese, Centreville, Freeburg, Scott AFB, Trenton, Smithton, New Baden, Dupo, St. Clair County and beyond HVAC Repair Company Millstadt

    If you're dealing with an HVAC issue, you can restore your comfort quickly with BEL-O Cooling & Heating's HVAC repair services. When your heating, ventilation, or air conditioning system isn't performing as it should, our expert team is here to help. We specialize in diagnosing and fixing any HVAC issues, from minor faults to major breakdowns, ensuring your system is back up and running efficiently. Our commitment to using the latest tools and techniques means we can offer solutions that are both effective and lasting, minimizing future disruptions. Rely on BEL-O Cooling & Heating's skilled HVAC repair technicians to get your system repaired promptly, so you can enjoy a comfortable and pleasant indoor environment again.

    Heating or cooling troubles? Reach out to BEL-O Cooling & Heating at (618) 400-0905 for fast, reliable HVAC repair services.

    Millstadt HVAC Repair
    Call for More Information Today!
    618-400-0905
    Bel O HVAC and Plumbing Reviews
    • D
      "Jim Was Amazing"
      He was very informative and thorough.
      Dale Fisher
    • G
      "Anthony showed up on time"
      Anthony showed up on time and clearly explained the issue.
      Greg Morgan
    • R
      "Bel-O Does a Good Job"
      I appreciate their expertise and professional approach.
      Rick Simmons
    • E
      "Good quality work"
      Good quality work. Very professional.
      Edwin King
    • G
      "Very Satisfied!"
      Highly recommend them to anyone looking for reliable heating and cooling service.
      Gregory Howell
    • A
      "John and everyone at the Bel-O team were excellent"
      They were quick to respond, quick to schedule and complete the work, and their pricing was very fair!
      Andrew E.
    • C
      "Alex was terrific"
      Did a great job quickly, very friendly.
      Chris Readenour
    • B
      "He Was Thorough and Efficient"
      He was thorough and efficient. Kevin also has great customer service skills.
      Brent Reeves
    • M
      "Knowledgeable and professional"
      Was able to solve the issue of the sterilizer shutting down the entire HVAC.
      Mark
    • A
      "Very professional company"
      Did a great job like always.
      Agent 87
    • d
      "Bel-O Heating and Cooling Was Wonderful"
      James did a great job, explained everything, and was timely.
      diane grupe
    • K
      "Jim Was a Great Technician"
      He was courteous, left everything neat, and dealt with my questions in a helpful and patient manner.
      Kelly Kaehler
    • L
      "Bel-O Is My Go-To for Cooling/Heating"
      They are always there when they say, do what they say, and charge what they say.
      Lewis Collins
    • B
      "Prompt Service"
      Prompt service. Friendly and informative.
      Brian Scroggin
    • B
      "Great and courteous workers"
      Great and courteous workers. Very reliable.
      Bonnie Faulkner
    • J
      "Prompt, friendly service"
      Prompt, friendly service.
      Jerry mcknight
    • A
      "Always on time and very professional"
      He's been assigned servicing our house for a few years now and is always making sure everything is running smoothly.
      Arizona Mom
    • S
      "Tech Was Very Prompt"
      Tech was very prompt and he did a great job.
      Steven Ward
    • c
      "These Technicians Are Top Professionals"
      They were very professional, they knew what they were doing and I would recommend them to anyone that needs this type of service.
      curtis hill
    • D
      "Very pleased"
      Alex represented your company very well. Very pleased.
      Denise Caughman
    • T
      "Awesome Service as Usual"
      Alex was so knowledgeable, professional, and incredibly personable…a true asset to Bel-O.
      Tee Kay
    • T
      "Extremely Helpful and Knowledgeable"
      Our technician was extremely helpful and knowledgeable.
      T V
    • J
      "Very happy with my experience"
      Completed the work earlier than estimated. Ultimately very happy with my experience.
      Josh Kaemmerer
    • J
      "Our Technician Anthony Was Amazing"
      Quick, fast service and able to fix the issue on the spot.
      Jessica Bauer
    • M
      "Craig and his assistant were very courteous"
      Did an excellent job communicating with us about the work and then asked us to inspect it after they were finished.
      Matt Laub
    • M
      "Very Efficient Service"
      Evan was very efficient and went out of his way.
      Mike Leavell
    • L
      "Very Helpful and Knowledgeable"
      Very helpful and knowledgeable!
      Linda Soteropoulos
    • D
      "Very Helpful Service"
      Very satisfied with the service I received.
      David Wright
    • J
      "Very knowledgeable technician"
      Kevin is a very knowledgeable technician who takes pride in his work.
      James Brooks
    • F
      "Very professional and knowledgeable"
      Very professional and knowledgeable technician.
      Felix Soto
    Jim Was Amazing
    Jim was amazing. He was very informative and thorough.
    Dale Fisher
    Anthony showed up on time
    Anthony showed up on time, analyzed our problem, and clearly explained the issue and what our options are.
    Greg Morgan
    Bel-O Does a Good Job
    IMHO Bel-O does a good job in maintaining our HVAC and water heater units. I had them replace a 15-year-old water heater in January and have used the semiannual maintenance of the HVAC system for the past four or five years. I appreciate their expertise and professional approach.
    Rick Simmons
    Good quality work
    Good quality work. Very professional. And she answered the several questions I had. She sets a high bar for the rest of y'all. 😉👍👍
    Edwin King
    Very Satisfied!
    Very satisfied! Bel-O is always responsive and available when we need service for our systems. Highly recommend them to anyone looking for reliable heating and cooling service. Thank you!
    Gregory Howell
    John and everyone at the Bel-O team were excellent
    John and everyone at the Bel-O team were excellent. They were quick to respond with an estimate, quick to schedule and complete the work, and their pricing was very fair! Best of all, they listened, gave me exactly what I asked for, and didn't try to sell me anything I didn't need.
    Andrew E.
    Alex was terrific
    Alex was terrific. Came in, did a great job quickly, very friendly.
    Chris Readenour
    He Was Thorough and Efficient
    Kevin was EARLY (good thing!!!). So many maintenance companies say 10-12 show time and then show up at 2. This was not the case. He was thorough and efficient. Kevin also has great customer service skills. Keep this guy around!
    Brent Reeves
    Knowledgeable and professional
    Knowledgeable and professional. Was able to solve the issue of the sterilizer shutting down the entire HVAC. Won’t happen again, thanks!
    Mark
    Very professional company
    Very professional company. Did a great job like always but definitely recommend.
    Agent 87
    Bel-O Heating and Cooling Was Wonderful
    Bel-O Heating and Cooling was wonderful; James did a great job, explained everything, and was timely.
    diane grupe
    Jim Was a Great Technician
    Jim was a great technician! He was courteous, left everything neat, and dealt with my questions in a helpful and patient manner.
    Kelly Kaehler
    Bel-O Is My Go-To for Cooling/Heating
    Bel-O is my go-to for cooling/heating. They are always there when they say, do what they say, and charge what they say. 100% all the time.
    Lewis Collins
    Prompt Service
    Prompt service. Friendly and informative. Helpful with suggestions to meet expectations.
    Brian Scroggin
    Great and courteous workers
    Great and courteous workers. Very reliable - recommend 👌
    Bonnie Faulkner
    Prompt, friendly service
    Prompt, friendly service. Explained what all was accomplished and some preventative things we should do.
    Jerry mcknight
    Always on time and very professional
    Alex is always on time and very professional. He's been assigned servicing our house for a few years now and is always making sure everything is running smoothly. Thank you for the service contract; it keeps us on track with servicing our AC and heating unit. Alex was a pleasure to speak to this morning. Thanks, Bel-O!
    Arizona Mom
    Tech Was Very Prompt
    Tech was very prompt and he did a great job. Couldn’t have done better.
    Steven Ward
    These Technicians Are Top Professionals
    Alex and Deien, Bel-O technicians that service my heating and cooling vents, they were very professional, they knew what they were doing, and I would recommend them to anyone that needs this type of service. These technicians are top professionals; Bel-O should be very proud to have them working in their organization.
    curtis hill
    Very pleased
    Alex represented your company very well. He is very knowledgeable about services Bel-O offers. On time, courteous. Very pleased.
    Denise Caughman
    Awesome Service as Usual
    Awesome service as usual! Alex was so knowledgeable, professional, and incredibly personable…a true asset to Bel-O.
    Tee Kay
    Extremely Helpful and Knowledgeable
    Our technician was extremely helpful and knowledgeable. We have been using this company for over 10 years and never had any issues.
    T V
    Very happy with my experience
    Craig and Dmitri were great. Explained what they were doing very clearly. Completed the work earlier than estimated. Ultimately very happy with my experience.
    Josh Kaemmerer
    Our Technician Anthony Was Amazing
    Our technician Anthony was amazing. Quick, fast service was able to fix the issue on the spot.
    Jessica Bauer
    Craig and his assistant were very courteous
    Craig and his assistant were very courteous. Took caution when moving equipment and tools through the house. Did an excellent job communicating with us about the work and then asked us to inspect it after they were finished. Great job! Thanks, Matt.
    Matt Laub
    Very Efficient Service
    Evan was very efficient and went out of his way to make sure that everything went smoothly.
    Mike Leavell
    Very Helpful and Knowledgeable
    Very helpful and knowledgeable! Hope to get him back in the spring!
    Linda Soteropoulos
    Very Helpful Service
    Codey was very helpful. He was home because he was sick and still answered and handled my question. Very satisfied with the service I received.
    David Wright
    Very knowledgeable technician
    Kevin is a very knowledgeable technician who takes pride in his work. He explained the process so I could understand. I recommend him for a promotion 👏
    James Brooks
    Very professional and knowledgeable
    Very professional and knowledgeable technician; that's why I only call Bel-O.
    Felix Soto
    Why Trust Our Services?
    • 24/7 Emergency Heating And Cooling

      Day or night, we restore your comfort fast in Metro East Illinois.

    • NATE-Certified Techs, Never Oversold

      Expert diagnostics, honest repairs, and no high-pressure sales.

    • 65+ Years Of Trusted HVAC Expertise

      Since 1959, Belleville’s family-owned choice for reliable comfort.

    • Carrier Factory Authorized Dealer

      High-efficiency Carrier systems installed for maximum comfort.

    Proud to Serve Your Neighborhood
    • Highland
    • Troy
    • Collinsville
    • O'Fallon
    • Edwardsville
    • Granite City
    • Belleville
    Call Us Today! 618-400-0905
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    Contact Bel O HVAC and Plumbing
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