• 24-Hour Emergency Service Available
    Monday - Friday: 8:00 AM - 5:00 PM

  • Affordable Local Heating & Cooling Technicians

  • At Justus Heating & Cooling, we only staff the best and most knowledgeable technicians for HVAC service repairs and installation. Having clean air flow throughout your home or commercial space is crucial for good health. If you need HVAC repair and live in the Glen Carbon, Illinois area we are the team to call.

  • Signs That You Might Need A/C Repair

    • A/C Unit Blows Hot Air
    • Unusual Sounds
    • Lines Are Leaking
    • No Air is Blowing Out When on
  • We Can Service All Brands

    Our knowledgeable and skilled technicians can service, and repair all makes and models of HVAC systems. In addition to that, we also offer a multitude of other services. Some of those include:

    • A/C Repair
    • Duct Cleaning
    • Sheet Metal Ductwork
    • Refrigeration Services
    • Heat Pump Repair
    • Boiler Repair
    • Air Filtration Systems
    • Ductless Systems
    • Furnace Repair
    • Water Heaters
    • HVAC Zoning
    • Whole-house Humidifier Repair
  • If you need any of the above services or have a question about a service, please give us a call. We also provide call quotes and consultations. Do not wait any longer and get your unit running like new again.

  • Signs You Need Furnace & Boiler Repair

    • Strange Odors
    • Uneven Heating
    • Expensive Bills
    • Reduced Heat Output
    • Strange Noises and Leaks
  • Why Choose Us?

    Our expert team with exceptional skills is the best in the Glen Carbon, Illinois area. We have been helping our residential and commercial clients for 17 years and look forward to servicing for years to come. If you need HVAC repair, or other heating and cooling services done please give us a call. It is our job to help. You can reach our team at (618) 877-7551.