McGill Air Flow LLC
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McGill Air Flow LLC, established in 1951, is a family-owned company based in Cary, NC, specializing in the manufacture of ductwork for heating, ventilation, and air conditioning (HVAC). As a pioneer in spiral duct and fittings, the company offers a comprehensive range of single-wall and double-wall duct products designed for performance and efficiency, setting industry standards.
Recognized as the leading manufacturer of commercial and industrial sheet metal ductwork in the United States, McGill Air Flow LLC is supported by a nationwide Duct Express fulfillment service and a network of sales engineering offices and manufacturing plants. Their innovative product lines include specialized fittings, sound-dampening solutions, and advanced duct system designs, catering to diverse HVAC needs.
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