Holmes HM630-NU Cool Mist Tower Humidifier

Impressive design and features
In the past, I have been very disappointed with humidifiers. Either they leak or don't seem to do much of anything. However, this Holmes U Tower humidifier is sleek in design and has a few nice features such as:

- The two filters are easily accessible at the base of the unit.

- The tank is easy to handle, fill, and not too heavy to carry. If you have a small sink, you can always fill this slightly long tank in the bathtub or by using a teapot or water jug.

- You have the option to set the humdifier manually on low, medium, or high humidity continuously or you can set it to automatically go on at low, medium, or high at a pre-set humidity level. If you use the automtic feature, then the unit cycles on and off like a thermostat would (although it does that too frequently for my taste).

- In addition, the display shows the humidity of the room the unit is in, which is a nice feature.

- The humidity level increases pretty fast,...

Know your water
Love the unit itself, however after 3 days of running it only 8 hours a night, I noticed the filter guage was saying "Replace Filter"

So I called the company to say, "hey .. it's only been 3 days. I think the filter guage is broken" and they had me check the filter (it was yellow and crusty) and they said, "no .. it's your water. you need to replace your filter or use distilled water." Then she laughed and said they had customers that replace their filters several times a week because of their water

So of course I'm not going to replace my filter every 3 days and I'm not going to use a couple gallons of distilled water every night before I go to bed in this thing ...

so if you have hard water .. this may not be the unit for you. Buyer Beware.

Good features, but loud
Pros:

- displays humidity all the time

- variable speed settings. 3 manual and 3 auto speed.

- tower design does not take up too much space.

- easy to add water and change filter.

Cons:

- due to the size (length) of the tank, you do need a deep sink to add water. I use the bath tub.

- the fan is loud even at lowest setting.

- uses two filters.

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