About ILLCO INC
ILLCO, Inc. is a wholesale distributor of HVAC, hydronics, refrigeration, pipe, valves, and fittings, operating across Chicagoland, Wisconsin, Indiana, and other locations. Founded in 1929, the company has grown to become one of the largest distributors in the region, offering a wide range of products and services.
HVAC/R products distributionRefrigeration systemsHydronic systemsVRF designCommercial water heater sizingRefrigerant buy back and reclaim servicesDesign assistanceJob site walk-throughs
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