Overture™ is the only fully-integrated indoor air quality system that links your home’s ventilation system by using 3 simple modules. Sophisticated sensor technology provides live detection of air pollutants and a cloud-based system automatically turns on your connected home ventilation system to clear the pollution and provide fresh, clean air to your home. No external hub or additional equipment are needed to get Overture up and running with the Broan-NuTone ventilation systems in your home.