Broan Universal Make-Up Air Damper | Required Ventilation for Range Hoods Over 300 CFM

Learn how the Broan Universal Make-Up Air Damper helps maintain proper ventilation in homes using high-performance range hoods. Designed for use with Broan® and BEST® range hoods over 300 CFM, this automatic make-up air damper provides interlocked operation that allows fresh air to enter the home only when the ventilation system is running. This helps maintain balanced airflow and supports proper kitchen ventilation performance. In this video, you’ll learn: - What a make-up air damper does and why it’s important - How the Broan Universal Damper works with range hoods - When make-up air is required for high CFM ventilation systems - Benefits of balanced airflow in residential kitchens Click here to purchase replacement parts on our website: https://shop.broan-nutone.com/ (USA) https://shop.broan-nutone.com/en-ca/ (Canada) #BroanNuTone #BetterAirBetterLife #DIY Subscribe now and hit the bell to get notified about new videos: https://www.youtube.com/@BroanNuToneLLC Connect With Us! https://www.facebook.com/BroanNuToneLLC/ https://www.linkedin.com/company/broan-nutone-llc/ https://www.instagram.com/broannutone/ https://www.tiktok.com/@broan_nutone Every kitchen needs proper ventilation—and here’s why. The kitchen is one of the largest contributors to poor indoor air quality in the home. Cooking releases excessive moisture, smoke, grease, and airborne particulates that can quickly spread throughout every room. In fact, indoor air can be up to 100 times more polluted than outdoor air, making effective kitchen ventilation essential for a cleaner, more comfortable, and healthier living environment. Without proper ventilation, cooking byproducts can linger, impacting air quality and overall home comfort. Broan‑NuTone offers performance‑matched kitchen ventilation solutions designed for every cooking style and appliance configuration. Whether your range hood is a statement focal point or seamlessly concealed in custom cabinetry, Broan‑NuTone—the leader in residential ventilation—delivers optimal airflow, efficiency, and reliability. From under‑cabinet range hoods and chimney wall‑mount hoods to island range hoods, downdraft ventilation systems, and outdoor or built‑in solutions, Broan‑NuTone provides kitchen ventilation options for nearly every application.