Need Custom Sized Zone Dampers? We Make Those

ZONEFIRST offers many sizes and styles of zone dampers, from our rectangular ZDB’s and ZDS’s, to our round RD and RT models, just to name a few. And with each style of zone damper, we provide a wide range of dampers for your project. But, what most people don’t know is that ZONEFIRST will also make custom size zone dampers for you! Yup, that’s right!

For many years, ZONEFIRST has offered custom-size products for their rectangular family of dampers, the ZDB’s, ZDS’s, AOB’s and IOB’s. The smallest size damper is 8 x 8, while the biggest size we make is 36×36.

Is this a scenario that has happened to you? You just made the smart investment to install zoning in your building and you need to get six dampers that are 15 x 11 inches. But you can’t find that size anywhere on our website or here on All of our standard sizes are made with even numbered inches so now you think you’re out of luck. But don’t you worry – we will custom make those dampers to fit your situation.

To order your custom zone rectangular shape dampers, give us a call at 1-877-604-1044. We will be happy to assist you 🙂

Note: custom sizes are only available on rectangular shape dampers. Round dampers can only be made in the standard sizes that are listed on our site.

May 05, 2016
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    • The Word On The Street

      • I was a little unsure about how zoning would benefit my family, but I am glad we decided to install it in our home! Since the install, we have noticed a tremendous amount of savings on our cooling costs. Not to mention our upstairs no longer stays 10 degrees hotter than the rest of the house.
      • The smartest decision we made as a company was to make the switch to ZONEFIRST. We managed to cut our install time in half due to the ease of the Plug & Play System. The color-coded control board and the pre-wired dampers make the process hassle free. Thanks for a great product!
        D&D Mechanical
        HVAC Contractor
      • The system went in very smoothly with careful planning. I've set up three zones, one for each level. Looking to add more in the future if needed. Wiring was simple, even up to the existing wired thermostat, wireless stats and the equipment wiring. After reading the instructions, I had no problems. Thanks again!
    ZONEFIRST Online Store