• *Air Conditioning Replacement  *Furnace Replacement  *Air Conditioning Repair  *Furnace Repair  *Insulation      

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    (618) 477-8337

  • 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 2 customer reviews

    Fantastic Service and Price!




    Sara is an outstanding consultant. She really took the time to understand the issue we were addressing and provide a comprehensive solution at a fantastic price. Highly recommend!


    Response from Energy Stars Heating & Cooling:

    Thanks for the great review. It is appreciated. We are lucky to have Sara as part of the Energy Stars team.


    very professional




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


    Sara W.

    Sara W.

    York Air conditioning system not operating properly. Lawn maintenance company hit it with mower and bent lineset.

    Near Sauk Trail, O'Fallon, IL 62269
    O'Fallon, IL - York Air conditioning system not operating properly. Lawn maintenance company hit it with mower and bent lineset.
    Fidel S.

    Fidel S.

    Installing A/C and furnace

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

    Jeremy S.

    Investigating a air flow issue and poor water heater drafting

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

    Jeremy S.

    Replacing old pulse furnace and AC with a new high energy efficient heating and cooling system

    Near Brookside Dr, O'Fallon, IL 62269
    Nate  T.

    Nate T.

    Install new Mini Split (Mitsubishi)

    Near Keck Ridge Dr, O'Fallon, IL 62269