Allowable Duct Length Calculator

This easy-to-use, flexible tool calculates maximum allowable duct length to hit a given delivered cfm airflow level based on basic inputs: CFM required, fan model, duct diameter, duct type (flex or rigid) and number of elbows.

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Attic Ventilation Estimating Tool

Use this tool to estimate the ventilation needs for your attic and get a list of Broan attic ventilation product that will meet your needs.

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Range Hood Make-Up Air Damper Specifier

With our Make-Up Air Specifier tool you can specify equipment designed to provide for the home’s Make-Up air needs and designed to be compliant with the latest codes and regulations. Use this tool to make your specification job easier. As a rule of thumb most codes require make-up air at 400 CFM of range hood exhaust (HVI rating at 0.1” static pressure).

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Find the Upgrade That Fits Your Fan

Use our Bath Fan Wizard to fit the right upgrade grille/cover to turn your current fan into a quiet odor eliminator, a light, a Bluetooth speaker, or even a piece of décor.

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