Heating and Cooling in Libertyville, IL

FAD since 1970

    Heating and Cooling in Libertyville, IL

    • 203 Peterson Rd Libertyville, IL 60048

    FAD since 1970
    • SundayOpen 24 Hours
    • MondayOpen 24 Hours
    • TuesdayOpen 24 Hours
    • WednesdayOpen 24 Hours
    • ThursdayOpen 24 Hours
    • FridayOpen 24 Hours
    • SaturdayOpen 24 Hours
    June 24, 2026 11:19 pm local time
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    About Us

    Treating your home as part of our family since 1969. Allied is a family owned HVAC contractor servicing the north and northwest suburbs of Chicago. We specialize in residential and light commercial HVAC service, installation and new construction. As a 14-year consecutive Carrier Presidents Award winner we offer the finest equipment installed and serviced by the best technicians.