The WeMo app will also send low water and filter replacement notifications. ... Holmes' humidifier features a four-gallon tank capable of humidifying a 2,500 sq. ft. home for up to 60 hours.

I’ve seen humidifiers on sale at Home Depot for as low as $90 that claim to cover an entire home. For $200, you would want to be fairly attracted to the entertainment value of adjusting humidity ...