News Releases

Broan Interlocking Range Hoods and Make-Up Air Dampers Offer Industry-exclusive Solution for Updated IRC Code

Hartford, WI., May 12, 2011 – Broan®, America's largest manufacturer of residential ventilation products, is the exclusive provider of range hoods that interlock with the Broan Automatic Make-up Air Damper, and is currently the only known manufacturer offering a solution to meet the new International Residential Code (IRC) provision concerning make-up air.

Updated from the 2006 IRC, the 2009 IRC provision M1503.4 mandates that all range hoods capable of exhausting in excess of 400 CFM must be equipped with an interlock that can operate a make-up air damper. Broan is the only known manufacturer on the market offering a packaged solution to meet the new IRC provision, with six series of Broan range hoods and three series of BEST® range hoods that are capable of interlocking with the Broan Automatic Make-up Air Damper. The damper also works with Broan SmartSense ventilation fans.

"With our automatic make-up air dampers' interlocking capabilities with several of our most popular hoods from Broan and BEST, we can provide our customers with a convenient solution that will save them the hassle of worrying if their range hoods are IRC compliant while also providing healthier indoor air quality inside the home," says Brian Wellnitz, marketing manager, kitchen ventilation, Broan-NuTone®.

Without this convenient all-in-one option for meeting the IRC code, builders, contractors, remodelers and cabinet installers would be required to install two separate products that require separate wall switches for the damper and hood. Building code officials can rest easy and save time knowing there is an all-in-one solution for the new code provision.

With the Broan Automatic Make-up Air Damper, homeowners can increase the energy efficiency of their home, while also ensuring that fresh air enters the home when needed. When the range hood or fan is turned on, the damper opens and lets fresh air into the home. When turned off, the damper tightly closes and prevents unwanted air from entering the home during heating and cooling cycles. This provides synchronized operation for complete and effective ventilation.

The Broan Automatic Make-up Air Damper is unique in that it only operates when necessary. By exclusively providing make-up air when a kitchen, bath or whole-house ventilation product is running, the damper helps prevent homeowners from superfluous and expensive energy usage. The damper equalizes air intake and exhaust, establishing the ideal balance in air pressure levels for proper ventilation function and increased energy savings.

"In order to decrease energy costs more homeowners than ever are weatherizing their homes. Unfortunately, in today's 'tighter' homes, natural ventilation is drastically limited and fresh air is not able to flow in and out of the home, causing an increase in indoor air pollutants and

allergens," adds Wellnitz. "The Broan Automatic Make-up Air Damper helps provide superior IAQ by allowing outdoor air to enter the home while controlling energy costs."

For more information about the Broan Automatic Make-up Air Damper, or other Broan products, visit

Broan® is a registered trademark of Broan-NuTone LLC, North America's leading manufacturer and distributor of residential ventilation products including range hoods, ventilation fans, heater/fan/light combination units, Indoor Air Quality (IAQ) Fresh Air Systems, built-in heaters, whole-house fans, attic ventilators and trash compactors. NuTone® is a registered trademark of NuTone Inc., a subsidiary of Broan-NuTone and North America's leading manufacturer and distributor of residential built-in convenience products including door chimes, central vacuum systems, ceiling fans, stereo intercom systems, home theater speakers, medicine cabinets, ironing centers and ventilation fans. Broan-NuTone is proud to be an ENERGY STAR® partner.

For more information about the full line of Broan-NuTone products,
call 800-558-1711 (Broan), 888-336-3948 (NuTone),
write Broan-NuTone,
926 W. State Street, Hartford, WI 53027 U.S.A.
or visit or