Perfect Balance In-Door Return Air Pathways




The Perfect Balance In-Door Return Air Pathway is easy to install in 1 3/8″ thick hollow core doors. A template is provided to make cutting to exact measurements simple. The Perfect Balance is the solution for improving air flow in your home.  Eliminate those uncomfortable hot and cold spots while allowing your heating and cooling system to perform more efficiently. The best place to install this product is in the bathroom door. This will Improve the effectiveness of your bathroom fan by increasing the fan’s ability to remove moisture and help prevent the build-up of mold. This patented product is proudly Made in the USA using durable and paintable ABS material. 


Masonite International tested and approved the Perfect Balance® for use in their “Safe N’ Sound Interior Door”

Read: Fine Homebuilding Review

Click here to see how it works!

Durable ABS plastic (paintable) and interior baffle to mitigate noise and light. Color: White.

24 1/2″ width X 4″ height rough opening, fits a 1-3/8″ thick door with a minimum width of 30″. Measure door first before ordering!

Click here for product specifications

Click here for installation manual

 Qualifies for the Buy American Act   

For quantity discounts, please contact us:  800.222.5932.

Shipping within the continental U.S. Canadian customers, please contact us for a quote

Spec Sheet

Click here for product specifications
Perfect Balance Spec Sheet


Installation Video:

Installation Guide:
Click here for installation manual

Energy Vanguard’s An Easy Retrofit for Return Air Video:


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