Essick Air 4-Speed Tower Humidifier, D46 720

Good Full-Featured Digital Humidifier
Overall, this is a great humidifier.

SIZE: The tower shape of the unit makes it perfect for environments where there is more wall space to consume than floor space. It's fairly large: as a point of reference, it rises a little higher than the arms of my living room sofas and it's rectangular shape is about the size of a magazine, plus about 1.5" on each side for the two tanks.

CONTROLS: The digital controls makes it pretty easy to operate. It's a simple, two-button interface with an easy-to-read display. The automatic humidistat can be set from 25-65% (at 10% intervals). The current and desired humidity level are shown side-by-side on the display using indicator bars. When set a desired humidity level, the automatic humidistat will run the unit until the current humidity reading is 10% higher than your preference, then turn it off until the current reading drops to 10% lower than your preference. This is a pretty nice feature - it saves power and conserves water...

Very Satisfied!
The first Humidifier I received, did not work properly. I called the "800" listed on the insert if you encountered a problem. Actually a live person answered. I explained the problem, she knew exactly what was wrong, said it was defective, send it back and we'll ship a new one.

I received a new humidifier within a week. Put it together and it works perfectly. You can set the percentage of humidity you would like and the humidifier shuts on and off to keep the humdity at the selected level. I like the fans 4 speeds. Setting number 1& 2 are very quiet, although 3 and 4 are not bad. The humidifier covers 1300 sq feet which is perfect for my entire downstairs. There are two water tanks, I fill them every other day, but the humidifier shuts off and a red light appears when it is out of water.

Works great - when it's not leaking
Having used an ultrasonic humidifier for the past couple of years (before it gave up completely), we wanted to try a different style humidifier. This one seemed to fit the bill.

First off, the build quality is terrible. The quality of the plastic is sub-par. It's brittle, terribly molded and roughly finished. One side of the unit didn't even have the plastic punched out for the latches that hold the filter cover in place. The latches that hold the water tanks in place are imprecise and difficult to operate, leading to difficultly latching and unlatching the tanks. I could see this as an obvious point of failure with repeated use.

Forgiving this, the unit works well to quickly humidify a decent sized room. The fan is quiet and effective at lower settings (1, 2). It gets louder at 3-4 but isn't too loud. The humidity settings are reasonably accurate, tested against a calibrated hygrometer. Two full tanks will keep our large bedroom at ~50% humidity during cold, dry...

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