Copyright RetroZone inc.2012 

Super Duty, SD Damper,
 Flexdamper, Airzone are
 trademarked names
 of Retrozone Inc.

Most Products now include Free Standard Shipping
Free shipping to continental USA only.   Shipping to Alaska, Hawaii, and International shipping to Canada extra, please place the order and factory will advise of additional shipping amounts prior to shipping. Credit Cards will not be charged until shipping amounts are verified. 


 Expedited Shipping Available Please call for Pricing


Full Line Distributor for:

 Honeywell, Durozone, EWC, Young Regulator, Robert Shaw




Motorized dampers, Retrofit zoning systems and more! Don't see it on our website? Call us, we will have a solution!  

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  Belimo  damper motor

 Retrofit kits

$ 88.00 Free Shipping

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Zone Control

Do you have uncomfortable areas in your home?
Too hot or too cold? We Have The Solution!!
Our DIY AirZone System with Flexdampers were designed with you in mind!
* Easy to install- DIY
* Increased Comfort
* Energy Savings
* Reliable
* Low Cost

 Round Dampers-

Finest quality damper available

 Belimo LMB motors,

Duro Dyne hardware

starting at $75.14

Damper Replacement motors

 5 things you should know about Replacing Obsolete Damper Motors. 

Installed in homes throughout the US for over 30 years!
Choose how many zones you need and the size and number of dampers - in most cases we
can ship the same day!
Need Design Assistance? Email us at or call 972-633-8104 

Rectangular dampers, Work with almost any Zone Control System using, all types starting at $118.64, for top quality OEM grade damper!

2 Zone

new construction kit


To Learn About Easy Installation

Troubleshooting Manual

Zone Control panels and Electronics

Bypass /Pressure Relief

Airzone Flexdamper Retrofit Damper System, Retrofit your home with zone control!  6 inch flexdamper $30 Each! Flexdampers slip into your existing duct-Round and rectangular sizes available

Slip in Retrofit Dampers, Great quality with a 5 year warranty, use a fraction of the power of slip of spring return dampers $

 Honeywell Zone Control

 products Wireless and

Internet capable thermostats

Durozone Zoning Damper or Fresh Air Damper,

5 year warranty.

starting at $72.95

RetroZone carries the full line of

Robert Shaw and Honeywell thermostats. 


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