[quote=“frauenfelder, post:1, topic:83448”]I’ve used this elephant ultrasonic humidifier for over 10 years (not every day) and it still works.[/quote]Ah, so you’ve had an elephant in the room.
[quote="bcsizemo, post:10, topic:83448, full:true"]How often and easy is it to clean? We've used one (not the one pictured here) for two winters and it gets rank after a few months, and it's a PITA to clean.[/quote]That's the trouble with these things; the maintenance is always such a hassle, even for the ones that don't require some disposable, proprietary filter every year at not-insignificant expense.