Bathroom/Utility Room/Kitchen (Range) Exhaust Fans
With an added Wyze Switch or a Humidity Switch the unit could automatically be triggered to start/stop. It could even have an integrated motion to trigger the unit to turn on for a default time after a washroom has been used, or if a house has a cat litter box in the bathroom/utility room to trigger after a cat uses the facilities.
Same concept for a Kitchen (Range) exhaust that it can be triggered to start when it detects a certain level of humidity or heat from your range or manually turned on.