• *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 3 customer reviews

    All efforts on Her behalf geared toward You reaching and achieving your Purposed Goal!




    Ms. Sara's efforts from the beginning were "Guns loaded, Ready for Customer success!" Thorough, She made the time to explain project details so you would know what to expect, even pointing out things you might not have considered.


    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.


    Jeremy S.

    Jeremy S.

    Installed a tankless hot water heater

    Near Sweetwater Ln, O'Fallon, IL 62269
    O'Fallon, IL - Installed a tankless hot water heater
    Nate  T.

    Nate T.

    Brand new A/C and Heat. Rheem!!!

    Near Sweetwater Ln, O'Fallon, IL 62269
    Sara W.

    Sara W.

    Hot point water heater leaking. Scorch marks on the front. Safety hazard. American Standard furnace old with cracked heat exchanger.

    Near Persimmon Dr, O'Fallon, IL 62269
    O'Fallon, IL - Hot point water heater leaking. Scorch marks on the front. Safety hazard. American Standard furnace old with cracked heat exchanger.
    Sara W.

    Sara W.

    Goodman furnace and air conditioning system causing high utility and maintenance bills.

    Near Persimmon Dr, O'Fallon, IL 62269
    O'Fallon, IL - Goodman furnace and air conditioning system causing high utility and maintenance bills.
    Sara W.

    Sara W.

    Comfortmaker furnace and ac unit old causing high utility bills. Looking for more reliable high efficiency air conditioning system.

    Near N Cherry St, O'Fallon, IL 62269
    O'Fallon, IL - Comfortmaker furnace and ac unit old causing high utility bills. Looking for more reliable high efficiency air conditioning system.