LEVOIT LV600HH vs Levoit Classic 200 Ultrasonic Cool Mist Humidifier

As an experiment we used it for a tank full in another room all day with little interference from currents or people walking by with the warm mist. It was much more effective and consistent in this decent sized room and agreed with the hygrometer 90% of the time. However, when I walked by, opened the garage entry door (12 feet away) or did activity behind the unit (reading newspaper, sitting up and down, etc), it did the same inaccurate and fluctuating humidity detection causing the unit to not achieve the desired level. And as mentioned the unit can 360 direct mist, but the left front is where the humidistat is and that's not a good place to direct it

I like the clean, sleek look of the humidifier. The quietness with which it operates is also a plus. Occasionally, I can hear the water gurgle but that's because I have highly sensitive hearing. However, it doesn't disturb my sleep in the slightest

We spent a week coming up with products on amazon, but we never settled on any. On a whim, I purchased this one and got it next day (I'm a Prime member). I had stocked up on distilled water for this little guy prior to it arriving, so we could get it set up and running as soon as it came in. Opening the package I was impressed, the product was very well packaged and came with a buttload of instructions and filters for essential oils (which we wont use)

I filled the water tank and placed it to work on the Low mist setting ONLY. The tank was empty after exactly 27 hours. Yes, it worked great, very quiet, and efficient for 27 nonstop hours! So, 40? Not in this world, no matter what you do to it. Of course, it will work even less on the Medium and the High settings, but I went with the Low only