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

  • Reliable Furnace Repairs and Installation in Granite City, Illinois.

  • Furnace Repairs and Affordable Tune-Ups in Granite City, Illinois.

    Justus Heating and Cooling Contractors Keep Your Home Warm

    Struggling to keep your toes warm in your home? Have you begun panicking over your moody furnace? Contact Justus Heating and Cooling for our expert service and friendly team of professionals to make your home warm for the holidays. As a family-owned business, we know that these things happen, and we want to solve your furnace issues and repaired them in a timely and affordable manner.

  • Heating Installation Services

  • Boilers, Heat Pumps and Furnaces

    Our list of heating installation services is extensive. That is why we are the best in Metro-East and surrounding area. Our main areas of focus include:

    • Furnace Installation
    • Heat Pump Installation
    • Boiler Installation

    We do not just install your new heating system, but we make sure it performs at its peak performance through our careful installation process and ability to install in your residential or commercial space. Either way, you will not be freezing this winter with the help from Justus Heating and Cooling.

  • Heating System Repairs

    Alongside our installation service, we have our repairs and maintenance skills. Likewise, we can service all makes and models of your home or commercial systems. We offer a 24-hour emergency service for those situations that just… you know stress you out in the most inconvenient way possible. We specialize in

    • Furnace Repairs
    • Heat Pump Repairs
    • Boiler Repairs
    • Annual Tune-Ups
  • Signs Your Boiler and Furnace Needs Serviced

    Contact Justus Heating and Cooling if you notice any of the following symptoms:


    Higher Utility Costs
    Less Heat Output
    Abnormal Noises
    Carbon Monoxide Alarms
    Frequent Cycling


    Abnormal Odors
    Difficulty Starting Your Unit
    Strange Noises
    Poor Air Ventilation
    Uneven Heating
    Increased Energy Bills

  • Make Justus Heating and Cooling Your First and Only Call

    We are the proud providers of heating and cooling services in the Granite City, Illinois, and surrounding areas. We are committed to our quality of service and the products we use. Our goal is to make your commercial or residential space comfortable and give you peace of mind.

    Give us a call to schedule an appointment or for our 24-hour emergency service line. Here at Justus, we are here for you.