iO HVAC CONTROLS
Offering a wide selection of round, rectangular, and retrofit dampers compatible with the American Standard AccuLink zone control systems!
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COMPRESSORS
We distribute replacement compressors for American Standard, Heatcraft, Hussmann, Scotsman, Bard, Bitzer, Embraco, and many more!
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Since inception in 1936, Duncan Supply Company has taken pride in delivering the highest quality and best value to our customers. This philosophy has helped us grow into an industry leader, distributing a wide range of refrigeration, air conditioning, heating equipment, and accessories to customers, throughout central Indiana and Illinois.
LISTEN: An interview with our President and his story with Duncan Supply on a local podcast called Circle City Success
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