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Honeywell HWM705B Filter Free Warm Moisture Humidifier Black Ultra Quiet Filter Free with High & Low Settings, 1-Gallon Tank for Office, Bedroom, Baby Room
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- WARM MIST HUMIDIFIER: This ultra quiet filter-free humidifier produces a soothing, visible warm mist to make you & your home more comfortable. It helps counteract the effects of dry, harsh winter air by adding essential moisture to any medium size room.
- WARM MOISTURE FOR HOME OR OFFICE: This top fill humidifier features a 1 gallon tank & can run up to 24 hours. It features high & low settings & a reset light that indicates when filling is required. Comes with a medicine cup for use with liquid inhalants
- HONEYWELL HUMIDIFIERS: Humidity levels in your home between 40-60% can make the air feel warmer & improve your breathing comfort, sleeping, nasal congestion & dry skin. Dry air can cause static electricity, damage wooden furniture & irritate health issues
- HUMIDIFIERS FOR BABIES, CHILDREN, ADULTS: Humidifiers diffuse moisture into the air, and many find that a humidifier for the home, bedroom or nursery becomes an essential part of a good nights sleep when the air is dry, in allergy season, or when sick.
- HONEYWELL QUALITY: Improve humidity levels in your home & improve your comfort with a Honeywell humidifier.
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From the manufacturer
Honeywell Filter Free Warm Moisture Humidifier
Filter free humidifier ideal for medium sized rooms
The Filter Free Warm Mist Humidifier provides soothing, visible warm mist that helps make you and your home more comfortable. It offers an effective solution to counteract the effects of dry, harsh winter air by adding essential moisture to any medium size room.
- 1.0 gallon tank capacity
- Runs up to 24 hours per filling
- Warm Mist humidification technology
- For medium sized rooms
- No filters to replace
Illuminated power switch
Easy to use manual knob control
2 moisture output settings
Filter free operation
Medicine cup for added relief when used with liquid inhalant
Auto shut-off when empty
Refill light illuminates when water tank needs to be filled
Honeywell Filter Free Warm Moisture Humidifier. Quiet, filter free operation. 2 moisture output settings. Medicine cup.
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Instructions on how to descale and disinfect your humidifier-which I should have been doing WEEKLY (oops). The good news is that it was a super easy process and it saved me from throwing this in the trash! Before you assume it's broken you should definitely try this!
My only complaint about this humidifier otherwise is that you must tip the water container upside down to put it on the base, it can be a little annoying to fill and then flip over from the sink to carry it. If I were Honeywell I would look at making the next model one with the full cap on top.
I attached a photo of some of the yucky mineral deposits that were clogging up my humidifier-again, only a month of use!
-- Water Quality --
I've heard many different issues with humidifiers depending on the quality of water used to fill it. Over time, the minerals and other particles in the water will deposit in the humidifier itself. This isn't going to be a fun time. Buying distilled water will solve this problem. However, that's expensive. Personally, I filter my water with a simple Brita filter before putting it in the tank. Filtering the water will prolong the life of this device substantially because the water will have less unwanted minerals and particles.
-- Energy Bill --
I decided to test this device with a wattmeter and figure out how much this machine costs me to run each day. The below results are based on a KWh costing $0.12.
Off: 0 Watts
Low: 130 Watts
High: 260 Watts
Cost of Low for 8 hours for one day: $0.12
Cost of High for 8 hours for one day: $0.25
Cost of Low for 8 hours everyday for a month: $3.74
Cost of High for 8 hours everyday for a month: $7.49
-- Sources --
I am very close to graduating with my bachelor's degree in Computer Science & Computer Engineering. I am obviously avoiding homework by creating this review. :)
Sept 5th, 2015 Update
I've noticed that my unit had a large amount of scale buildup in the heating element after using this over the winter months. Here's what I did to solve this:
- Soak a paper towel in white vinegar
- Place the soaked paper towel over the heating element and let it sit overnight
- Use an old toothbrush, or a toothbrush found at your nearest cheap store to clean the scaling off. **DO NOT USE ANYTHING SHARP**
- Repeat the soaking and scrubbing technique until clear. For me, it took 3 days.
- It's highly important that the heating element doesn't get scratched so please only use a soft toothbrush.
On High the unit tends pumps out humidity at a rate of 3 times the rate of low for only double the power. After I discovered this, I never ran this unit on low ever again as it is a pure waste of dollars spend on electricity.
It's probably safe to say that the mineral content of tap water (whether supplied by a municipal system or from a well/spring/pond) tends to vary greatly from location to location (see, e.g., www dot mgwater.com/mgrank.shtml#ordered). But one way or the other, when that tap water is used to fill a humidifier, those minerals will make themselves apparent, either as scale build-up inside the humidifier body, clogged filters/wicks, or white mineral dust dispersed all over the room.
Because the amount of minerals dissolved in any given consumer's tap water is far outside the control of any humidifier manufacturer, the burden of the solution reasonably can't (and therefore shouldn't be expected to) fall on the manufacturers, but rather on the consumers, who are free to avoid mineral issues by using de-mineralized (de-ionized) or distilled water (instead of tap water) to fill their humidifiers, albeit typically at great cost.
So we're left with a trade-off. Either spend a fortune (for most of us) on mineral-free water, or deal with the consequences of separating those minerals from the water the humidifier vents into the room.
From a long-term cost-of-ownership perspective, I find the warm moisture humidifiers to best meet my needs, particularly given that there are no filters, wicks, chemical treatments or other costly (and high profit margin) disposables to re-purchase. I choose to accept that my warm moisture humidifiers will gather mineral scale from my tap water (supplied by a municipal system in Virginia, whose tap water generally ranks relatively low in calcium and magnesium ions, the primary constituents of mineral scale), and therefore partially scrape them out at the end of each season. I also accept that at some point the scale will overwhelm each humidifier, causing it to fail and provoking me to purchase a replacement humidifier.
Again, the mineral content in my water is probably somewhat different than yours (either higher or lower, I don't know), so your experiences are likely to differ from mine to some extent.
With that background, compared to my past warm moisture humidifiers, and recognizing that they all have become scaled with mineral deposits, that their tanks have dripped a bit while carried between faucet and base, and that boiling water makes the expected sound at the expected sound volume, this humidifier seems very well designed. Sturdy handle. Easy to fill from our bathroom sink faucets. Well-functioning valve. Plenty of output for its size. Subtle yet effective indicator lighting. Reliable auto-off when water level is very low. Performance as expected + very competitive price = solid value.
My only complaint is that Honeywell doesn't seem to sell the same humidifier in white (at least on Amazon). But I did find an otherwise identical Vicks model (Amazon product code B001FWXKTA) that comes in white, and I bought 2 of those as well. After several weeks, all 3 seem to be working just fine (knock wood), and given our history with warm moisture humidifiers, I expect these 3 to last at least several seasons (at which point the minerals will win the battle, as they always do (and must!)).
Hope this helps.
EDIT 11 January 2015: I've found that on the High setting, this unit cranks out a lot more vapor than our older units, frequently running dry within 8-10 hours or less. On the Low setting, one tankful of water lasts up to 24 hours. Both characteristics are beneficial for me, as sometimes I want to amp up the humidity in a room/area of the house quickly, and other times I don't want to visit the humidifier as frequently to re-fill it.
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edit: after receiving a replacement from Amazon, I'm sure the previous one was defective which was leaking. add two stars because other than that it is a fine unit if you want a warm mist
and two months later it leaked again.... star down to 1
Some people have complained or commented about the noise. It does at times get noisy but I've only noted this when you start the humidifier or you run low on water. Really low...
Yet, Amazon sold it at a cheaper price so I purchased it to find out it's good for its value.
Loving the fact that filter is not needed (as you'd pretty much have to spend over 10 bucks per filter), and maintenance is not that big of a thing to worry about.
It's great for the winter, or colder days. Not something you'd say is a game changer, but certainly makes a difference.
If your going to buy a hot humidifier. Uses distilled water. You will extend the life of your humidifier by years. Had a different model from Honeywell. Didn’t use distilled water. Had so much Calcium build up on the boiler. And all through the water staging area. It made it so it started to leak inside into the electronics.
It is fairly easy to operate but it was once hard to reset after running out of water.
You clearly hear the noise if you pay attention but since it is white noise it is easy to ignore.
I am noise-sensitive and it does not bother me.