Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h

Cool Mist console humidifier with humidistat. - View Complete Details

Product Number: HLSHM3855LUM

3.2 star rating3.246 reviews|Read All Reviews|Write a Review

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Product Details

Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h - Comfort and peace of mind – who could ask for more? Easy-to operate unit runs for a minimum of eight hours on one tank, so you need not worry about middle-of-the-night refills. Adjustable humidistat allows you set the level that's just right for you. Treated filter provides Microban® antibacterial protection and Arm & Hammer® odor-reduction.

  • Comfort and peace of mind – who could ask for more?
  • Operates up to eight hours on one tank.
  • Adjustable humidistat.
  • Microban® antibacterial protection.
  • Arm & Hammer® odor-reducing technology.
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by PowerReviews
Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h
 
3.2

(based on 46 reviews)

Ratings Distribution

  • 5 Stars

     

    (13)

  • 4 Stars

     

    (12)

  • 3 Stars

     

    (4)

  • 2 Stars

     

    (4)

  • 1 Stars

     

    (13)

58%

of respondents would recommend this to a friend.

Most Liked Positive Review

 

Extremely effective, but noisy

I bought this to replace a "cool mist" humidifier that was filling my house with white dust. Living in Arizona, I've owned many humidifiers over the years. This one is the...Read complete review

I bought this to replace a "cool mist" humidifier that was filling my house with white dust. Living in Arizona, I've owned many humidifiers over the years. This one is the most effective at quickly dumping large amounts of H20 into the air that I've ever used. However, it is so loud on all settings that it is essentially unusable unless qualify of life is of no value to you (or you have a way to banish it to a place where it doesn't bother you). I run it at night when my bedroom door is shut and when I leave the house. As others have reported, it can leak water on the floor if the reservoirs are disturbed. Once you get the hang of how to handle them, this doesn't seem to be a problem.

VS

Most Liked Negative Review

 

Non-working Humidistat other features not too bad.

I bought unit to replace my ""old"" Holmes HM3600 humidifier which was still working and had a great variable automatic humidistat by turning a knob. It looked beat after...Read complete review

I bought unit to replace my ""old"" Holmes HM3600 humidifier which was still working and had a great variable automatic humidistat by turning a knob. It looked beat after many years of service. After using its replacement for two weeks it's time to comment. CONS: Humidistat useless only works on fully on; I wanted to give it a chance to possibly correct itself but no. I leave in Arizona and today checked outside humidity which was 16% (my readings were 15%) and the humidifier has not ran in 36 hours. The inside humidity was 6% and this low humidity could not encourage the Humidistat to turn on by itself at any setting other than ""Stay On."" Guess it could never have an Energy Star rating. As criticized by others it only has two speeds low and super fast/loud. They could have given it a lower high speed so that the fan would not blow so fast past the wet filter and might be more efficient in picking up moisture. PROS: Although it has no sensor to tell it the unit is out of water of water I like the ability to look at the translucent water tanks and see the actual current levels. It appears that the location of the filter seems to keep the filter from clogging up as quickly as my old unit that used the same filters. I still use the Hard Water Additive from Holmes as in the past. This was another a reason I bought this model as I had stocked up on the HWF75 filters and did not want them to go to waste. I like the new water fill location and in my case work great at the kitchen sink. No problems with leakage but when the unit was new the first fill splashed some water out of the tank holder. Three pros and two cons gets a 3 out of 5 rating.

Reviewed by 46 customers

Displaying reviews 1-20

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1.0

Awful

By 

from CT, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

This is a really bad humidifier. Didn't even use it and it is almost too late to send it back. Plus I would have to pay full postage and insure it for it's full price.

 
5.0

it is easy

By 

from Methuen, MA, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

So far so good. It humidifies my needs. It is easy

 
5.0

Humidifier

By 

from Minneapolis, MN, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

I'm very happy with it, nice and noisy as we have kids and it drowns out the noise

 
5.0

Humidifier review

By 

from Glendale, CA

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

This humidifier has been working great. Fast delivery, good price too.

 
1.0

Internal humidistat doesn't work

By 

from Denver, CO, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

I bought this unit for the auto on off feature. I want to be able to set the humidity at a certain % and forget it, but it won't turn on even 20% lower than the setting I have it at.

 
5.0

COMPACT AND HIGHLY EFFECTIVE

By 

from Lake Placid, NY

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

Excellent power and quick results from a relatively small unit. Remarkable output!

 
1.0

Disappointed

By 

from Andover, ma

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

From the start the humidity control did not work.. Humidifier is constantly on regardless of the settings. Also the filter is expensive and requires replacement often. High speed sounds like a jet plane.

 
1.0

Poor Quality Product

By 

from Long Island, NY

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

For many years I had the Bionaire W7 humidifier which was a well built, sturdy & a very efficient product. When it recently broke after 15 years I replaced it with this substandard humidifier. It is a flimsy machine & didn't work properly. I was issued a credit from Holmes.

 
4.0

Does not show humidity of room

By 

from Buffalo, NY, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

Does not show humidity level or percentage of room, like it's supposed to. This has been an ongoing problem, even with the previous model. Come on Holmes... Fix it already! Otherwise, it's a decent humidifier...

 
5.0

The third time's the charm!

By 

from Golden Valley, MN, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

After receiving two Holmes humidifiers that did not work, ie., the humidistats did not work, this unit is amazing! Though a bit large for our retirement apartment, it does a wonderful job maintaining the set humidity level. Further, the large capacity tanks are wonderful. I feel that you went overboard to accommodate us. Thank you! Vertn Lund

 
1.0

humidifier

By 

from Undisclosed

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

I bought this around 30 days ago and hate it. It's noisy on high. It does not kick on and off when humidity level is set.

 
4.0

Does Its Job

By 

from Mahwah, NJ, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

Issues: capacity and noise. -- My older larger humidifier unit with twin larger fans died. This appeared to be the largest capacity unit from Holmes available here but tech specs shown were unclear and unspecific - but I gave it a shot anyway, hoping for the best. I wanted no techo frills - just something that would do the basic job. Received the unit and for 3 weeks from end-Feb to early-Mar (when moderate atmospheric humidity returned) ran it full speed 24/7 set to be on all the time. House is 4000 sq ft on two floors. Unit appears to be somewhat inadequate for this size area. Only able to bring humidity from 19% to 30%. Looking for 50%.that older unit achieved. 12 hour tanks capacity under these conditions. 30% humidity is OK but to achieve this, it had to be on all the time and the background noise of the always-on-max-fans was always there. Bigger capacity unit could be set to medium and to run as-needed resulting in lower noise. As for longevity, only time will tell. Recommended for smaller-volume premises - perhaps to 2500 sq ft, maybe 3000. Note: whole-house water softening system appears to lengthen the time between needed filter changes significantly. Condition checked weekly and no mineral build-up noted even at end of 3 week use.

 
3.0

Non-working Humidistat other features not too bad.

By 

from Arizona

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

I bought unit to replace my ""old"" Holmes HM3600 humidifier which was still working and had a great variable automatic humidistat by turning a knob. It looked beat after many years of service. After using its replacement for two weeks it's time to comment. CONS: Humidistat useless only works on fully on; I wanted to give it a chance to possibly correct itself but no. I leave in Arizona and today checked outside humidity which was 16% (my readings were 15%) and the humidifier has not ran in 36 hours. The inside humidity was 6% and this low humidity could not encourage the Humidistat to turn on by itself at any setting other than ""Stay On."" Guess it could never have an Energy Star rating. As criticized by others it only has two speeds low and super fast/loud. They could have given it a lower high speed so that the fan would not blow so fast past the wet filter and might be more efficient in picking up moisture. PROS: Although it has no sensor to tell it the unit is out of water of water I like the ability to look at the translucent water tanks and see the actual current levels. It appears that the location of the filter seems to keep the filter from clogging up as quickly as my old unit that used the same filters. I still use the Hard Water Additive from Holmes as in the past. This was another a reason I bought this model as I had stocked up on the HWF75 filters and did not want them to go to waste. I like the new water fill location and in my case work great at the kitchen sink. No problems with leakage but when the unit was new the first fill splashed some water out of the tank holder. Three pros and two cons gets a 3 out of 5 rating.

 
4.0

works well

By 

from Undisclosed

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

The humidifier puts reasonable amount of water in the air over a 12 hour period. The tanks were bit smaller than i thought on the web site, so I have to fill them more than I expected.

 
4.0

Great Product - Needs a little

By 

from Brooklyn Park, MN, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

Everything is great. But, I wish it had a low water indicator. And that it would shut itself off under no water conditions.

 
5.0

Oldie but still a Goodie!

By 

from Dry Winters in Alberta

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

My Holmes is at least 23 years old and it's still going strong. I've dropped one of the tanks and cracked it, but after a little application of epoxy and duct tape, it works just fine. As far as filters are concerned, I would buy them if I could find them, if not, I just bought another brand with a similar looking filter and jury-rigged it to fit. Worked just fine. The only problem I have is trying to clean the fan blades. I discovered a couple of screws waaaayy down deep in a couple of holes, but so far I haven't had much success in being able to unscrew them. They attach the housing to the motor and fan blades. I WILL figure it out, just need to find the right tool.

 
1.0

Control did not work

By 

from Massachusetts, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

I have several Holmes humifidiers and this one did not make the cut. The "digital" control did not work to stop the fan. The filter holder must have been designed by someone who never tried to use it. I am trying to send it back.

 
3.0

Humdifier review

By 

from Commerce City, CO, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

This is a much better humidifier than the last one but I do not understand the humidistat feature. Is there a humidistat? I use it on low at night only because of the noise on high.

 
3.0

works great, but wheres medium?

By 

from Huntington Beach, CA, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

This is our second one of these. The first one lasted a long time but didn't survive a move. The only issue we have with the new one is there is no medium, only low and Hi. That was our go to setting, Low is to low and hi is exactly that.

 
4.0

Long run time

By 

from Fort Wayne, IN, United States

Comments about Holmes HM3855LUM Cool Mist Humidifier with Humidistat, 2gal, 10 15/16w x 17 9/16d x 16 21/32h:

The high speed is very loud so I rarely use it. The low speed is very quiet. The pre set humidity % don't seem to be very accurate. I have another humidity gauge I use to monitor. I have 2 other holmes models that the humidity settings seem to be more accurate than this model

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