Duncan Supply Indianapolis is Hiring!

We are looking to hire a full time HVAC Sales Assistant to perform a wide range of administrative and inside support activities. 

Request More Information

eCommerce Online Store

Sign-up for Duncan Supply's eCommerce Online Store with over 13,000 online items in real time stock status at each branch location.

Enter eCommerce

Copeland Scroll

Outdoor Refrigeration Unit

Learn More

Copeland Scroll A/C Compressors

Premium Service Kits

Learn More

Vendor Spotlight

Events & Training

Branch Locations

View a map of our branches

Become a Vendor

Have new innovating products that Duncan Supply Company needs to sell?  Start the process below to become a vendor of Duncan Supply Company.

Start the process

Become a Customer

Interested in becoming a customer of Duncan Supply Company?  For more information, click below to start the process.

Start the Process

Featured Vendors

Just as Duncan Supply has progressed from the use of crank telephones and note pads, to cell phones and e-mail, the increasing business usages of the Internet has challenged us all to harness the technology to provide state-of-the-art services to our customers.

View Our Featured Vendors