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Sunpentown SU-4010 Ultrasonic Dual Mist Humidifier with ION Exchange Filter SPT

SU-4010 Size: 13.2W x 5.3D x 12.4H inches

In San Diego, it can get very dry either warm and cool conditions at the same place that make us looking for a humidifier for our bedroom. And then we have got this one in January 2010 after too many choices of product comparisons. So far it's been used for over a year on practically a daily basis. So my wife and I feel that the air is more pleasant to sleep and our cats certainly agree. I set it to keep the humidity between 50 - 60% that seems to be good for us. I have an electronic temperature and humidity indicator that I check when making adjustments and use that to get an idea whether to increase or decrease the setting.

Here are some reasons that might be make decision easier to get Sunpentown SU-4010 Ultrasonic Dual Mist Humidifier :

- It is ultrasonic to make a vaporizer humidifier , so no need to changing filters and the amount of mist can be varied. It can work through a tank in 12 hours or several days, depends on the setting, the weather and the size of the room that you place it in.
- Easy to refill the tank.
- Besides a very low hum, the unit does make an occasional gurgling sound, which you will get used to in a few days. I don't even notice it anymore.
- The warm mist is not exactly hot but it is warmer than the room air, so that's nice.
- Don't worry about leaving it on, it will stop itself when a red light show up. Very informative.
- Based on the visual level of the water and the setting, you will have a rough idea of how long the unit will take to run out of water.
- We use filtered water, which still has some minerals in it (we live in San Diego - hard water capital of the world), and even though all water goes through the filter, some white deposits do accumulate on the underside of the tank. You might want to clean this stuff off (mostly it comes off pretty easily) every few months. In any case, it's on the underside of the filling unit, you only see it when you turn the tank upside down to fill it.
Altogether, we are 100% satisfied with this unit. If it broke down, we'd buy another in a heartbeat.

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