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

  • Dedicated Heating & Cooling Specialists in Maryville, IL

    • If you need new appliances in your commercial or residential space, the Justus Heating & Cooling team is ready to help. Not only do we offer and install new HVAC systems, but we offer expert repair service to those in the Caseyville, Illinois, area. Regardless of your need, we are here to help.

    • 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
    • Our Service Options

      At Justus Heating & Cooling, we offer reliable repair services for all makes and models of HVAC systems. In addition to those services, our heating and cooling specialists also provide annual tune-ups and emergency services. Some of the benefits are as following:

      • A/C Repair
      • Duct Cleaning
      • Sheet Metal Ductwork
      • Air Filtration Systems
      • Ductless Systems
      • Furnace Repair
      • Air Filtration Systems
      • Ductless Systems
      • Furnace Repair
      • Water Heaters
      • HVAC Zoning
      • Whole-house Humidifier Repair
    • If you need any of the following services or pose any questions, please give us a call. We cannot wait to hear from you.

    • Signs You Need Furnace & Boiler Repair

      • Strange Odors
      • Uneven Heating
      • Expensive Bills
      • Reduced Heat Output
      • Strange Noises and Leaks
    • Trusted Source for Full-service Heating & Cooling

    • We are your number one source for full-service heating and cooling. We have been servicing the Caseyville, Illinois area for 17 years and look forward too many more. We are the best in the area and pride ourselves on quality service and outstanding repairs. Give us a call at Justus Heating & Cooling for all your heating and cooling needs.