Honeywell HCM350W Cool Mist Humidifier Review

The Honeywell HCM 350 Cool Mist Humidifier is a quiet, cool mist humidifier that soothes and comforts while providing germ free moist air. Learn more about it in our review, and much more.

Maintaining the right humidity level in your home can be a losing battle, especially in the winters. White all the dry air that circulates in the home, cases of dry itchy skin and allergies become more prevalent.

Their high-performance air purifiers not only remove bad odors from the air but also help purify the air of pollutant particles. The sleek, high-quality, high-performance Honeywell HCM 350 pulls in Humidifier 99% of airborne pollutants like dust, mold, bacteria, dander, and chemical particles. It combines UV light and Carbon filters to improve indoor air quality and keep your allergies in check.

With its advanced purification system, you are able to breathe easier and your family can enjoy a fresher, cleaner living space almost immediately. Going through this Honeywell Humidifier Review lets you learn more about your humidifier and make an informed choice before purchasing.

Features Of The Honeywell Germ Free Cool Mist Humidifier HCM-350

Honeywell Germ Free Cool Mist Humidifier HCM-350 Review

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Functional Humidification

What makes Honeywell humidifiers efficient at their job is their ability to move volumes of air to quickly humidify your living space. You almost immediately notice a significant change in the humidity level in your home. Allergies are no more, the kids sleep much better at night, and the air feels fresher when breathing and the plants flourish better.

The Honeywell HCM-350 uses advanced purification system to combat bad odors and to quickly remove pollutants in your living space. With this level of purification, you bet it scrubs a wide range of contaminants like dust, pet dander, bacteria, mold, smoke, and chemicals.

Its 1.5-gallon tank capacity runs up to 24 hours per filling. This is actually a good thing since you could fill the tank and forget about it until the next day. No hustle at all.

Compact & Portable

If you like something that’s portable – and affordable- that keeps your house a little cleaner, this is the unit to go for. Since the necessity to place such a unit in an open area in your living space to get better coverage- this unit is stylishly designed to make it appealing wherever you place it.

Weighing in at a meager 15 pounds, the Honeywell HCM-350 is a really lightweight humidifier. This makes it easy to handle and can be transported as easily.

I find its compactness and light weight to be quite a convenience. You are able to set it up strategically to get better coverage. If you feel like you could get it at a better location in the house, moving it is no big deal.

Easy Operation/Maintenance

The Honeywell HCM-350 features easy controls for smooth operation. There is a timer feature that lets you pre-set operation time, after which the unit shuts off automatically. This feature really comes in handy as you can have it run for 3 hours or so and don’t have to worry about going back home to shut it off. Even so, the unit uses much less electricity, no more than what a standard household light bulb would use.

This humidifier is easy to maintain. The filters snap right into the unit and come off as easily. Filters are available in most stores, so it won’t be a hassle trying to find one. Even so, the filters last longer than what you find in most other humidifiers. And, if you make it a habit of using distilled water, and cleaning the filters regularly, you could get a few months of usage from them. The SmartClean sensor alerts you whenever the filter has to be replaced. What a convenience.

Silent Operation

This are also like Easy to Care Cool Mist Humidifier and have unit can go right in your bedroom or the kids’ room and it won’t bother you for loud fan noises. It’s quiet on the lowest level, which is a nice thing if you are a light sleeper and you have this in your bedroom. You may want to turn this up occasionally, especially when you feel like the allergies are setting in. Obviously, you will notice a bit more fan noise on the highest setting.

But, it’s still quite enough not to bother you as you sleep; it’s really nothing outrageous. And, the good thing is that after running this unit for a few nights, you certainly notice the difference. The air is fresher and cleaner. And your allergies are subdued quicker


Nothing quite beats a deal that offers great performance, high quality and durability, and impressive functional features at an affordable price. This unit humidifies the air in a snap, yet it’s a small and compact unit. It’s rather inexpensive for the importance of its task.

With its offering, you bet it’s a quality and durable machine. You get the feeling that it’s a product to last in the family for the long haul and that you have a reliable support team should anything go wrong with your unit.


  • Effects noticeable within minutes of running.
  • Super quiet.
  • It’s a cool mist humidifier but doesn’t affect room temperature.
  • Filters last longer- hence minimal replacements required (7-8 moms.).
  • Tank sits well on the tank upon refill- no toppling experienced.
  • Quite easy to set up.
  • Kills 99% bacteria.


  • Pretty big- rather bulky.

Features at a Glance

  • Designed for medium rooms.
  • 1 gallon tank capacity.
  • Available in white and black.
  • Quiet operation.
  • Dishwasher safe parts.
  • 3 year limited warranty.

Product Specifications

  • Color: White.
  • Product Dimensions: 18.6 x 10.4 x 13 inches.
  • Item Weight: 12.5 pounds.
  • Shipping Weight: 9.3 pounds.
  • Manufacturer: Honeywell.
  • Domestic Shipping: Item can be shipped within U.S.
  • Item model number: HCM-350/HCM-350-TGT.

Frequently Asked Question

Q. Does this leave white dust on the curtains and drapes?

A. I especially love this unit because it is not ultrasonic and it doesn’t leave any white dust. It’s quiet and the UV light works well to kill germs.

Q. Would I need to replace the filter if I only use distilled water?

A. Obviously, well water is the most available and cheapest too. But, distilled water is the best option for use with humidifiers. I believe using distilled water will lengthen the lifespan of your filter- not to say that it won’t crash eventually. To quote my favorite philosopher, George Harrison, “All things must pass”. So, also, your filter WILL eventually get exhausted. Yes, the filters will certainly last longer when using distilled water and practicing good maintenance practices like taking it out every once a week and rinsing it off the brown mineral deposit.

Final Verdict

If you are looking to get humidified and stop the itch or allergies, the Honeywell Germ-Free Cool Mist Humidifier HCM-350 is certainly your best choice. It comes really affordable while offering a world of amazing features. It’s a cool mist humidifier so questions of children toppling the unit and burning from the hot water are out.

You’ll love just how simple it is to set up and how quick and easy refilling the tank is. And, the large tank lasts longer than most other units would. Running this, you almost immediately notice a significant change in your living space humidity level. The air certainly becomes fresher for breathing and allergy cases in your home soon fed off.

Certainly, the plants in the house flourish more with this unit in the home and the furniture remain glossy rather than dried out. You’ll love this for its silent operation to be used even at night in the kids’ room. It’s the best gift you could ever give your family. You’ll be grateful you got this.

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