Honeywell HCM350W Germ Free Cool Mist Humidifier Review

Honeywell HCM350W Germ Free Cool Mist Humidifier Rated
  • Air Quality
  • Energy Efficiency
  • Ease of Use
  • Noise
  • Portability

HTS Verdict

The Honeywell HCM350W Germ Free Cool Mist Humidifier is a great option for those looking for an affordable, clean, and easy-to-use device.

Backed by a three-year warranty, this Honeywell humidifier may be the low-maintenance solution you’re after for a small home or room.

Living in a too-dry environment can be unbearable, but a humidifier lightens the load, transforming your home into a balanced, comfortable space where you can breathe easy.

The Honeywell HCM350W Germ Free Cool Mist Humidifier not only adds moisture to your air but distributes it evenly to prevent water spots or moisture gathering on your floors and furniture.

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As a bonus, it also filters the water to improve the air quality in your home.

With that said, not everyone is singing its praises. Some users thought this humidifier was too large, while others complained that it lacked an automatic shut-off feature.

Nevertheless, before you make a final decision, let’s take a closer look at the Honeywell HCM350W Germ Free Cool Mist Humidifier.

Honeywell HCM350W Germ Free Cool Mist Humidifier: The Details


  • Product Dimensions: 13 x 18.6 x 10.4 inches.
  • Item Weight: 55 lbs.
  • Capacity: One gallon.
  • Warranty: Three-year warranty.


One Gallon Tank

The capacity of the water tank on this Honeywell humidifier is one gallon. As such, it’s not huge but contains enough water that you won’t have to change it daily.

Honeywell notes that if you keep the humidifier on its lowest setting, it can run for 24 hours without needing to be refilled.


The Honeywell Germ Free Cool Mist Humidifier has very basic and user-friendly controls. There is a simple knob that controls the speed and power it uses to spread moisture into your air.

Whether or not you have experience with humidifiers, this basic set-up ensures you can operate it without complications.


The filters of this humidifier are treated with Protec Antimicrobial, which stops 99.9% of mold growth inside the unit.

This also helps to provide your home with cleaner air quality, capturing germs that may float around and keeping them from your lungs or immune system.

As a bonus, the filter helps the water to evaporate quickly, so once it’s turned on, it can balance out your home environment at a fast pace. The filter should be changed every six months for the best results.

UV Technology

Working in tandem with the filters, this Honeywell also includes UV technology, designed to kill 99.9% of the bacteria, mold, fungus, and viruses that may exist in the water of the unit.

This ensures the water that enters your air is germ-free, as the name of the product suggests. It’s important to have a humid environment, but also a safe one, and operating with water can put that in danger.

However, if you place this in a child’s room or even your bedroom, there’s no worry of complications.

honeywell humidifier review


This humidifier also features QuietCare, designed to make the device at least 25% quieter than other competitors on the market. Even when the unit operates at its highest setting, it won’t be too loud.

When it’s placed in a bedroom, this is especially crucial, as no one wants to be kept awake just so they can breathe easier.


Perhaps the best feature of this Honeywell humidifier is its evaporative quality.

As such, the humidifier uses filters to wick moisture into the air, so there’s no danger of water landing on your furniture or floors and ruining them. The water evaporates before it can ever land!

Humidifiers in the past have allowed water to fall on anything near the device, but this one ensures the moisture is contained and evenly distributed.

Honeywell: The Brand

Founded in 1906 by Mark C. Honeywell, the company has journeyed from making thermostats to manufacturing several different products.

Today, they make everything from humidifiers to alarm systems to air conditioners and generators.

Their stated mission is to help “blend physical products with software solutions to link people and businesses to the information they need to be more efficient, more productive, and more connected.”

Honeywell HCM350W Germ Free Cool Mist Humidifier Review

Stand Out Features

  • Germ-Free: To ensure this humidifier is the safest it can be for you and your family, Honeywell uses UV technology to kill germs that may be going into the air. The water you use on this humidifier will be germ-free, so you can breathe cleaner.
  • 3-Year Warranty: Honeywell includes a 3-year warranty to protect the customer against any damages caused in the manufacturing process. Should you find something wrong with your device, Honeywell promises to replace or repair your humidifier.
  • Dishwasher Safe: Both the water tank and tray included on the Honeywell Humidifier are dishwasher safe, making your cleaning list a little easier. This humidifier is simple to maintain so you don’t have to worry about it being a pain in the long run.

The Positives

Easy to Set Up

Setting up this Honeywell humidifier is very straightforward. Once it’s unboxed, you can remove the tank and fill it with water. Tap water is perfectly fine.

honeywell humidifier review

Next, you will lift up the outer enclosure, pull out the filter, and soak it in cool water. Place the filter back into the machine and lower the outer lid.

After this, you need only plug in the machine, chose your settings, and turn it on. No fuss, no muss! Nobody wants a complicated machine. Honeywell continues to make your life easier by keeping it simple.

Easy to Maintain

Maintenance is a breeze with this humidifier. Besides refilling the machine with water as necessary, you need only replace the filter every four to six months.

To do so, you’ll first unplug the humidifier and pull out the water tank. Remove the old filter, soak the new one in cool water, place it in the machine, put everything back together, and you’re all set. It’s really that simple!

As a bonus, if you want to clean the tank or the outer shell, they’re all dishwasher safe!

This is super appealing for those of us who are busy or those of us who tend to be a little forgetful when it comes to maintenance.

Fits Most Homes

As a one-gallon humidifier, there’s no need to designate an entire corner of your bedroom or living room to this device.

It will easily fit on a shelf, a table, or under the bed, allowing you to store it in an unobtrusive location while still enjoying its benefits. Due to its light weight, you can also move it with relatively little effort.

If you’re short on space or want to use this in an office or smaller workspace, you won’t have to worry about it stealing all the room. It can even fit in a dorm room without causing clutter.

Since its lightweight, you can always tuck it away in a closet or cupboard until you need it without hassle. Its small size doesn’t take away from its decent capacity either.

Good Capacity

Most users of the Honeywell Germ Free Cool Mist Humidifier really appreciated how much water it could hold. With a one-gallon tank, there’s no need to refill it every few hours.

If the humidifier is placed on its lowest setting, one gallon will last a full 24 hours, allowing you to turn it on and ignore it.

That’s great for most bedrooms or any medium-sized room that needs extra moisture to be comfortable. You won’t have to fuss with it too often in order for your surroundings to feel much more suited to you.

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This machine is also rather inexpensive. At about under $100 on Amazon, it’s one of the least costly humidifiers on the market, considering its features.

Remember, this isn’t just a humidifier; it also evaporates the water to prevent damage to your furniture and floors.

As a bonus, it improves air quality and reduces the number of germs floating around your home. For the price, that’s exceptional.

This is great for those on a budget. You won’t have to burn a hole in your wallet to get the comfort you need.

Safer for the Whole Family

Since this Honeywell Humidifier uses UV technology to ensure that your air is germ-free, you can count on this device as a great option for families with children and babies.

You won’t have to worry about letting dangerous bacteria into the air since Honeywell thought ahead and made sure that you’d be protected.

The Negatives

No Automatic Shut-Off or Timer

Sadly, this Honeywell humidifier does not have an automatic shut-off or timer. As such, it will not power down after a certain amount of time or when the tank becomes empty.

You will have to manually check when it’s out of water, will have to turn it off and on personally, and cannot schedule it to run in intervals.

Once it’s on, it’ll keep trucking even on an empty tank. While this can’t damage the motor, it is inconvenient and tethers you to manually checking the humidifier.

Still Too Large for Some

Despite the earlier “pro,” a few users complained of the humidifier being too large. It is small – but not as small as some testers expected.

While they appreciated the capacity, the product as a whole was bulky and cumbersome to some users. A sleeker design may have better suited certain small home designs or storage constraints.

It’s important to double check the dimensions before buying, so as to avoid a surprise.

Honeywell Germ Free Cool Mist Humidifier

Overall Verdict

After combing through all the positives and negatives, we do recommend the Honeywell HCM350W Germ Free Cool Mist Humidifier.

With its evaporative quality, it’s a great update on humidifiers of the past. The addition of a timer is the only thing that could make it better. At its price though, it’s definitely worth a try.

Where to Buy the Honeywell HCM350W Germ Free Cool Mist Humidifier

Honeywell is no stranger to the home appliance market. They have decades of experience under their belt and over the years, have become a popular, trusted name in the marketplace.

They’ve managed to stay on top of the competition by providing up-to-date products that are still affordable and accessible like the Honeywell HCM350W.

Thanks to their success, you can find the Honeywell HCM350W Germ Free Cool Mist Humidifier all over the globe, both in-store and online.

While it’s usually best to check home department, tech, and specialty stores, you can kick-start your search with the following online retailers.

And of course, you can also find this humidifier on Amazon.

honeywell humidifier review

That’s the end of our Honeywell Humidifier review. Tempted to give it a try?

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