Having N sources of dry air (the vents) and one or two sources of humidity, scattered over your house, coming in and off all the time is a lot let desirable tha

Having N sources of dry air (the vents) and one or two sources of humidity, scattered over your house, coming in and off all the time is a lot let desirable than a static system linked to your opening and closing of doors plus house leaks. It’s difficult to tune.