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Free Custom Design Services

If you have a project that needs design assistance, we offer a free service which includes a Duct Design and an estimated Materials list. All you need to do is submit your plans and our Design team will contact you for more information.

We appreciate your interest in duct design and layout assistance from The Unico System Duct Design Department. In order to streamline your request, we have a Web-based form to expedite your request.

Upon submittal of the Load Calculation Design Form, an e-mail defining the case number for your project will be sent to you. To view a sample of the deliverables from a recent Unico System Duct Design Project, please view the following links:

Duct Design Project Summary
Unico System Sample Duct Design 1
Unico System Sample Duct Design 2
Unico System Sample Duct Design 3

Upload Drawings

Plans submitted for Unico Duct Design & Layout are preferred to be received electronically. This allows a quicker turnaround time on your duct design project. Plan drawings are accepted in the following formats:

AutoCAD: preferred format: each floor on a separate file; an elevation view; and a window schedule

PDF: same as AutoCAD submission above

WrightSoft files: entire file

In addition, a room-by-room heat loss/heat gain calculation is required for our designs. This Load Calculation Design Form should be completed and returned to Victor Carroll at

If opting to send hard-copies of your drawings, please mail to:

Unico System Duct Design Services
Attn: Victor Carroll
7401 Alabama Avenue
St. Louis, MO 63111

Unico, Inc. reserves the right to use our design of your plans in our marketing materials. Unico makes no claims that the information given to us is correct or complete. It is the responsibility of the installing contractor, design, design engineer, or architect to verify the design conditions and performance. Thank you for your support.