Broan-NuTone’s Ultra Ventilation Fans and Fan/Lights with Ultra Sense technology combine the features of the original Ultra Series with new, convenient humidity- or motion-sensing capability.
Broan-NuTone’s Ultra Ventilation Fans and Fan/Lights with Ultra Sense technology combine the features of the original Ultra Series — easy installation, quiet operation, and energy efficiency — with new, convenient humidity- or motion-sensing capability. The units feature the ability to detect humidity or motion and either turn a single-speed fan on or adjust the CFM level of a multi-speed fan.
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[1] http://www.housingzone.com/company/broan