Review on HoMedics TotalComfort Warm & Cool Mist Ultrasonic Humidifier - Dual Tanks, 80 Hour Runtime, Clean Tank Technology, Nightlight, Whisper-Quiet - Includes 2 Bonus Demineralization Cartridges & 1.7 Gallon Tank by Mitchell Watson

I almost sent it back because I put it on the floor and the carpet got wet. The air exits at an angle rather than straight up, so a lot fell to the ground before the air sucked it up. But then I tried putting it higher - I put it on a tray - and that didn't happen anymore. But that keeps me from giving 5 stars. Okay, things I really like: The insulation is really WARM, unlike Pureguardian (which I also have). And I love that you can fill one page at a time while it's still going. If I had to choose between this and Pureguardian, it would be a tie. I like that the Pureguardian sprays upwards more (thus minimizing wet ground) but the heat is much warmer here. And I LOVE the blue light on Pureguardian. Both are good, but neither is perfect. UPDATE: I downgraded this to 2 stars which is probably being generous. It helped me get through most of a winter season and then 3 months later was covered in dust. And in its final moments, it seeped everywhere. The Guardian is still going strong. Buy a guard.