Geothermal.contractors

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, and Food Service equipment, parts and accessories to customers, throughout Indiana and Central/Eastern Illinois.Our Mission: Efficiently dedicating our value added services by putting comfort and reliability in the hands of our partnering contractors and institutions, across the Heartland. Duncan Supply will be a trusted, customer-first, sales organization of great integrity and industry leadership. Our Vision: To provide the best HVAC/R solutions, from our family to yours. If you have any questions or would like to learn more about what Duncan Supply has to offer please feel free to Contact Us at Duncan Supply.