• Call us (618) 477-8337

  • AC, Furnace Repair and Installation in O’Fallon, IL

  • GET $40 OFF REPAIR

    Call (618) 477-8337  today to make an appointment. Be sure to tell us Repair4020* when making appt. to ensure discount.

    $40 off with repair cost over $150, $20 off with repair cost over $50.

  • Our Customers Come First!

    Energy Stars Heating & Cooling Services O'fallon, IL

    Let us help you have a comfortable home…you will not regret it. Energy Stars Heating & Cooling will exceed your expectations on every single service that we provide. Go ahead and take a look at what some of the other customers in O'fallon, IL are saying about us, so you can learn first hand about our superior AC and Furnace Repair and our superior AC and Furnace Installations. We promise to treat the O'fallon Community with respect and give them the best service for the best value we can!

  • Reviews by Cities

    Energy Stars Heating & Cooling has a 4.95 average out of 59 5 STAR reviews!

  • See What We've Been Doing In O'fallon!

  • Local Reviews
    for O'Fallon, IL

    Rated 5.0 out of 5 stars based on 1 customer reviews

    Map of O'Fallon, IL

    very professional




    Mike and his crew did exactly what he said they would do. I would recommend him to anyone looking for HVAC work.


    Jeremy S.

    Jeremy S.

    Replacing old out of date electric furnace and air conditioning system with a new high energy efficient heat pump

    Near Weber Rd, O'Fallon, IL 62269
    Gene H.

    Gene H.

    Final testing on a high efficiency furnace installation.

    Near Juniper Dr, O'Fallon, IL 62269
    Gene H.

    Gene H.

    Energy audit and data collection for Ameren's Home Efficiency program looking to help lower energy bills.

    Near Willow Dr, O'Fallon, IL 62269
    Jeremy S.

    Jeremy S.

    Replacing old condemned furnace with a new high energy efficient York heating system

    Near Juniper Dr, O'Fallon, IL 62269
    Gene H.

    Gene H.

    Replacing a furnace and air conditioner

    Near Belt Ave, O'Fallon, IL 62269