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

  • The Metro-east Top HVAC Company in Maryville, IL!

    • Justus Heating & Cooling Specialists are here and can install new appliances, units and repair your current systems. If you need service done please call to schedule an appointment, or if you need an immediate repair please call our 24/hour emergency line. There is not an HVAC system that we cannot fix or replace.

    • 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

    • Apart from our repair and installation services, we also provide a multitude of annual check-ups and tune-up repairs. Below is a list of the current services we offer.

      • 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

    • Please give us a call if you need any of the services above or if you have any questions. We offer phone call quotes!

    • Why Justus Heating & Cooling is the Right Choice for You

      We have been proudly serving Maryville, Illinois, and the surrounding areas for 17 years. If you need HVAC repairs, installation, or emergency service, Call your local team at Justus Heating & Cooling. You can reach us at (618) 877-7551.