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  • Holmes HM2409-U Comfort Select Cool Mist Humidifier
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Holmes HM2409-U Comfort Select Cool Mist Humidifier

by Holmes

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  • Designed for medium rooms
  • Runs up to 36 hours per tank filling
  • Digital humidistat allows you to easily set your desired comfort level with one button, Arm and Hammer embedded for added protection
  • Uses one HWF62 A Replacement Filter
  • 1 year limited warranty
  • Runs up to 36 hours
  • Humidistat with led display
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Product Description

This Cool Mist Humidifier produces a refreshingly cool, invisible mist and is ideal for medium rooms. The base is dishwasher safe and it has a digital humidisitat, which offers precise humidity control for your optimal comfort. Model HM2409-U

Product Details

  • Product Dimensions: 16.3 x 10.2 x 12.6 inches
  • Shipping Weight: 6 pounds
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B0018Y9FWG
  • Item model number: HM2409-U
  • Average Customer Review: 2.9 out of 5 stars  See all reviews (19 customer reviews)
  • Amazon Best Sellers Rank: #931,548 in Home & Kitchen (See Top 100 in Home & Kitchen)
  • Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

2.9 out of 5 stars

Most Helpful Customer Reviews

8 of 8 people found the following review helpful By NatomaMommy on November 9, 2012
I don't get why people don't like this. We own 3! One for each bedroom. It's perfect. Note we DON'T use the automatic mode. I simply set it to low all night. You can also do high. Low isn't loud enough for the baby's room so we do high. We need LOTS of white noise so the kids can't hear anything and wake up. It's easy to fill. You do have to push the button a lot of times to get to the low setting, but it's easy. Always use with an anti-mold liquid for each filling.
We tried a filter free kind before and YUCK! FILTERS ARE THERE FOR A REASON.
With this humidifier, I can actually sleep. A day when I forget to turn it on (rare)?? I wake up with dry skin and mouth. So, it works!!!
Also, the price is right. I had an old Kaz I loved but after 6 years of nearly 24/7 use it was so dusty I feared a fire hazard. So we got this one.
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3 of 3 people found the following review helpful By Anthony Frisby on January 16, 2012
I've had this unit for two years and it has performed quite well. In a very large room on a 45% humidity setting the entire room has stayed between 40-45% relative humidity. There is also a small filter-flow indicator that detects if the airflow through the filter has changed indicating the need for a new filter. With a monthly Protec drop-in to prevent bacteria and algae growth I get a full season from a filter (3-4 months).
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3 of 3 people found the following review helpful By gmadby on May 17, 2012
This humidifier is amazing! I have it in my baby's room and it makes such a difference with his congestion. I even slept in his room because I had a bad cold and couldn't sleep due to my sore throat, it was truly amazing! I will say that I've never played with the different modes, I just put it on high or low.
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1 of 1 people found the following review helpful By Buyer of Things on November 27, 2012
Verified Purchase
This humidifier does the job it's intended to do (humidify). It works well in a 15 X 15 room, and it's easy to fill and operate. It is a hassle however to get through all the settings to choose the one you want (have to click the button each time to cycle through) however to turn it off in the day time just hold the button and it shuts off, next press turns the humidifier on to the previous setting.

The negatives of this humidifier are as follows:
Loud
Auto-mode doesn't really work

The Holmes HM2409-U is fairly loud on either hi or lo setting... It's a constant noise so you get used to it and can sleep through it but at first you'll definitely notice it. Like other reviewers have said, the automatic sensing mode is useless. It cycles on and off for 3 seconds which gets extremely annoying and probably does nothing to humidify.

For $30 this humidifier is worth it, I just leave it on the Lo setting with my bedroom door closed and it works fine, 1 full water tank is half empty by the morning.

Hope it helps!
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8 of 12 people found the following review helpful By Tom C on January 1, 2010
It's OK in manual mode, but the so-called automatic mode where it's supposed to sense the humidity and cycle on or off accordingly is a joke. First of all, it didn't even go on in auto-mode until I had it cranked up to 55% desired humidity, and the room is as dry as a bone. Then after going on, it would turn off after about two minutes, turn on for literally a second, and so on. Hardly an effective way to humidify a room. Since we desired something we could "set and forget" for the baby's room, this doesn't work accordingly, and will be returned immediately.

Also, although it is fairly simple for someone of average intelligence to figure out, there is nothing in the manual about how to fill the tank! An obvious oversight on their part, and just another indicator of the sloppy design/manufacture of this product. The only reason I can give it two stars instead of one is because the manual mode works OK.
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Verified Purchase
We recently moved to Arizona, and our previous Holmes cool mist humidifier broke during our move. We had own the same Holmes humidifier for about 10 years, so I knew I wanted to purchase another Holmes again.
The HM2409-U model was much smaller than our previous one, but I had planned to purchase two units anyways. One for our bedroom and one for the hallway which in near two other bedrooms. So far we've had these units for two weeks, and we are feeling much better. No more stuffy noses and no more headaches. I tend to fill both units with regular tap water every night, and since this unit uses a filter I never get that white spray some people talk about. Plus, I would never use a unit that doesn't use a filter Gross! Oh! Yes these units make some noise, but the noise is not very loud. Do the right thing and clean the unit regularly, and everything the instructions say to do, and you won't have any problems.
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By R Kelly on January 22, 2013
Verified Purchase
I do not recommend this product for anyone; in fact, I will say that no one will benefit from this product. It is so loud that it is impossible to hear the TV, or, to sleep. It continues to come on for about 15 seconds then cycles off interrupting sleep. The product does generate enough humidity at any setting. Were it not for the shipping costs, I would return it. And this shipping problem prevents me to buy a lot of these kinds of items from Amazon. I do not know how to resolve this return problem. To see if I am doing something wrong, I gave the product to another person. I have done this three times. Each person returned the unit to me. I suppose I will buy one from Walmart to make sure what I am getting. Al least we can return stuff to Walmart without huge extra costs.
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