Honeywell HWM255 3-Gallon Warm Moisture Humidifier

It is a lovely compact, quiet humidifier. However, we were looking to puchase a humidifier with greater tank space and were fooled by the product desription. It is advertised as a three gallon tank -they are speaking of 'output per day', which means its about a 1.5 gallon tank designed to be filled more often.

This is a nice unit. Best feature is completely quiet operation. Worst feature is that the tank is hard to hold while filling. If you have a small sink or an odd shaped tub that requires you to hold the tank while filling, there is no easy way to do it except to put your fingers inside the tank to grip the tank.

This is my first warm mist unit. compared to cool mist units, this is a lot more maintenance work, a lot more scale builds up each week which needs to be cleaned up every week. Cool mist units you just add antibacteria solution into the tank, and throw away the filter every two months.

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I wanted to buy the HWM-260 that was highly rated by CONSUMER REPORTS but couldn't find that model anywhere. This model lacks the unnecessary remote but otherwise is the same design. The user manual covers both models. Unit was $40 at HOME DEPOT. Simple to use, easy to clean and reassemble; no filters to worry about! Also, very quiet even on higher setting. So far, so good...

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I purchased the Honeywell warm-mist humidifier in December 2004. The machine died after 20 days. We only ran it at night and it worked fine until it died. The warranty is for five years. However, it costs $10 for a repair service fee in addition to the cost of shipping it to Massachussetts. After all that I may as well buy another humidifier. This time another brand.

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This humidifier worked just great the first year that I owned it. I didn't have any problem with the hygrometer like other people have reported; the tank is easy to fill and carry; the unit is very quiet. I only use it while I'm sleeping and I could get 8 hours on "HI" setting, which was perfect. PROBLEM: If you have hard water, you will only get 1 year out of this model. The buildup on the heating element & reservoir is VERY hard to clean, and I had to clean it every other day. Last year the coating on the heating element started to wear off, which resulted in contaminated water vapor and burning odor when water ran low. This is the 2nd time I've had this problem with a warm-mist unit, so I am going to try an ultrasonic this time around. Heating element + hard water = bad news.