5 of DuPage County's 54 plumbers and heating and cooling contractors are listed for AC repair.
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A contractor is listed for a service when its owner picked the service, when its Google Business Profile category names it, or when its business name does. Ranked as on the county page: verified owner, then a Google rating of 4.0 or higher, then review count, then fleet size. How ranking works
Ranges are national; ask contractors near you.
Figures checked September 2026.
Illinois licenses plumbers through its Department of Public Health, and Chicago licenses them separately.1, 2 There's no state license for heating and cooling work in Illinois.3, 1 Your local building department in Illinois can tell you whether replacing a water heater, furnace or AC needs a permit.
