The HCM-300T worked pretty well for the first 3 weeks wife loved it since her sleep was much better, without any coughing whatsoever. However, given the absence of a built-in hygrometer, I could never figure out exactly how much of the work was being done by the HCM and how much by Mother Nature. Also, filling the water container every night turned out to be quite the juggling experience since it hasn't been designed to stand upright on its own ....in other words, you are going to have to be standing right beside it, holding it in position! On the positive side, the water seemed to stay fresh without any mold/bacteria, even though I didn't engage in any cleaning during the 3 weeks. However, during Week 4, while carrying the water container back after a refill, the lid came off (unfortunately it has been designed such that the handle of the water container is on the lid!) and the container fell down into the tub with a thud, waking up my worried wife! On further inspection, I didn't notice any leaks, so having reassured my wife that I hadn't broken any bones, I refilled the container, gingerly carrying it back to the base unit. To my dismay, when the unit was switched on, water started spraying out of the bottom of the unit through the slots that normally cool moist air flows through and soon I had water all over the carpeting. Not sure whether this was triggered by the fall, but the water leakage never stopped from then on. Needless to say I had to return the unit!!
Based on this experience, I have added three more items to my "must-have" list: a built in hygrometer (that way I can actually judge performance on those really dry days), a rugged water container (so it can outlast the tumbles that I am certain it will be taking!) and a unit that has its air outflow from the top rather than the bottom, making sure that water doesn't leak out due to gravity. Wish me luck!!
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We bought two of these in fall 06. After two months use, one of the units had a fan failure. It ran noisily for a few days prior to the failure, then ground to a halt. I called Kaz's customer service (the Honeywell name is licensed), and they agreed to send me a new one free. After five months use, the second unit failed in exactly the same way. This time, customer service required me to pay $20 for a new one to be shipped, and they required in each case the return of the defective one at my cost for shipping. They are simply NOT durable! We now have one in service, with the other as a backup since we anticipate a product failure this winter. One other thing: they are awkward to fill. The water chamber has a curved bottom so it will not sit flat in your sink. You have to balance it with one hand, and operate the faucet and put on the lid with the other. This design defect is SO obvious it makes you wonder how function followed form in product design. You also need a fairly deep sink or a tall spigot to fill it without tipping it and spilling. The filling problem is aggravating since you need to fill it at least twice daily. As far as ability to humidify, it works reasonably well, and is fairly quiet. But I wouldn't recommend this unit at all after living with it.Best Deals for Honeywell QuietCare 3-Gallon UV Tower Humidifier, HCM-300T
The only positive thing I can say about this humidifier is that it looks better than those big boxy ones. Oh, and I guess the fact that ours hasn't leaked on the floor (like some other reviewers have had) could be considered a positive. It usually doesn't even last a whole night before running out of water and it's not like I live in the desert...our house can't be THAT dry. Yet, the room is still dry and we still wake up with sore throats and dry skin. We've had other humidifiers that worked fine, and I'm noticing that those usually shot the humidified air out the top (you know...into the air!). This one shoots the humidified air out near the floor, so it would take 3 days for the room to fill with humid air. The thing rarely shuts off unless the outside air is more humid on that particular day. Speaking of shutting off...doesn't this thing have an automatic shut off when it runs out of water?? Ours NEVER shuts off, so when it runs out of water the fan dries up the filter (which you aren't supposed to do). So every night I have to refill the tank and re-soak the filter (which you're also not supposed to do, but I'm not putting in a new $10 filter every night). We haven't been bothered by the noise...it's what you'd expect from any other fan. It's just a constant hum that we kind of like since it drowns out other outside noises.Honest reviews on Honeywell QuietCare 3-Gallon UV Tower Humidifier, HCM-300T
After reading the previous reviewer's comments I was quite surprised. This humidifier changed the humidity in my entire 1 bedroom apartment from 48% to 60% in less than 1 hour. It only uses 1/2 of the tank of water over a 15-hr period. I didn't experience a browning tank or filter, although I filled the tank with filtered water purposefully so it wouldn't have to be cleaned as often. I hardly notice it when it cycles on because it is so quiet. It does cycle on and off but usually stays on for about 60-90 min and then off for the same amount of time. Perhaps the last reviewer didn't notice a change in humidity because his room was already at 60% this is the upper limit the humidifier can reach according to the manufacturer. There are no wet spots on my floor, no condensation on the windows, and no white dust from metals in the water vapor. The only thing I was a little disappointed about is that if the fan is facing you, it can make you a little chilly, but not enough to really bother me. It was very easy to set up, and I love that it doesn't look like an awkward box sitting in the middle of the room. Would definitely recommend it without reservation.Find helpful customer reviews and review ratings for Honeywell QuietCare 3-Gallon UV Tower Humidifier, HCM-300T
ProsHumidity increased 10% all over the room
Big tank.
Large hole to fill tank.
Small footprint
No dust
Looks good compared to most.
Great price for such a big improvement.
Cons
Filter needed changing within 1 month.
Breeze from fan is quite chilly, but we have it facing a direction away from seating area.
Putting the tank back can be a little cumbersome. It's easier if it is on a low surface.
Awkward to fill tank because it has a slanted top, you either have to prop it up or hold it the whole time.
We have tried 10+ humidifiers and nothing could compete with this, even a $200+ humidifier. Considering how much better the house feels it was worth every penny plus more.
