Reviews for Koesterer Heating And Cooling Inc

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  • August 2024

    Service tech Kyle called to confirm appt. Arrived on time and was very personable and professional. Explained everything he was doing and answered any questions I had. He was meticulous about his service and took the time to do things right.
    I’m very happy with the service provided today and will use them again in the future.

  • August 2024

    Came home from vacation and my house was 86 degrees. It was almost as hot inside as it was outside. I called Koesterer Heating and Cooling and they came out within a couple of hours and fixed my air conditioning and it didn’t break my pocketbook. I was so grateful. This business is very professional and the staff is friendly and efficient. It is family owned with years of experience and it shows in their care for their customers. Highly Recommend!!!

  • July 2024

    I could not be anymore pleased with the service these guys do. They kept my old system chugging along way past it life expectancy until I was ready to replace it. They put in new furnace and air, ran more air ducts and added a cold air return into an addition we had done. Today they came out to my daughters place and fixed her air conditioner. Thank guys.

  • Koesterer Heating And Cooling Inc

    3371 IL-162, Granite City

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