HoMedics UHE-CM45 Cool Mist Humidifier Review

The HoMedics UHE-CM45 Cool Mist Ultrasonic 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.

Dry air is not healthy for the body and the plants in our homes. The environment needs to have some element of moisture otherwise you are likely to suffer the effects of dry air. Some of these effects include a sore throat, dry lips itchy skin, and nasal blockages. In order to reintroduce moisture in your home, you will a humidifier. Humidifiers improve the moisture content in the homes.

This HoMedics UHE-CM45 Humidifier is the main reason why doctors often recommend the use of a humidifier to help relieve congestion from the common cold and flu as the best alternative to over a counter cough and cold medicine. One such humidifier is the HoMedics UHE-CM45 Ultrasonic Humidifier.

Features Of The HoMedics UHE-CM45 Cool Mist Ultrasonic Humidifier

HoMedics UHE-CM45 Cool Mist Ultrasonic Humidifier Review

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1 Gallon removable tank

This humidifier has a removable 1-gallon tank. The one-gallon tank can last up to 36 hours before the next refill. This Humidifier was designed to regulate the moisture level in small spaces. Therefore, this could be convenient for the kid’s room or any small or medium-sized rooms such a home office.

This device also has a 1-year warranty from the manufacturers. This means that once you have purchased it, you have up to one year to ensure that the device is working perfectly.

Ultrasonic technology

The HoMedics UHE-CM45 Cool Mist Ultrasonic Humidifier makes use of the Ultrasonic technology to generate mist. With this technology, there is a metal diaphragm that vibrates at a virtually silent ultrasonic frequency to rapidly generate and disperse a fine, even mist for a comfortable room environment. This vibration also kills some bacteria found in water. The other advantage of this technology is the fact that it is quiet. The mist generated is released quietly both on low and high settings.

However, if you are using this device is your bedroom, you might hear here some noise which I may term it as white noise since it hardly disturbs anyone and in fact, it will even soothe you more to sleep. Technically, the only noise that you might here is that of the water gurgling from inside the device.

Built in antimicrobial treated filter

When it comes to the state of the mist released, the mist should be clean and healthy. This is especially true given the fact that this device is been used in the children’s room. The HoMedics UHE-CM45 Cool Mist Ultrasonic Humidifier has antimicrobial material which is proven to help reduce the growth of molds and bacteria at the surface of the tank. This way, you can be guaranteed that the moisture introduced into your child’s room is cool, clean and healthy.

Demineralization cartridge

In order to ensure that the water sprayed is clean and free of white dust, the device makes use of a demineralization cartridge. This helps to reduce or eliminate white dust which would otherwise end up on the furniture and the floor especially if you are using tap water which is hard water in the device.

Auto-shut off protection

The HoMedics UHE-CM45 Cool Mist Ultrasonic Humidifier has an auto shut off feature. This works on the theory that once the device runs out of the water, it automatically shuts off the humidifier until when more water will be added. It tips over shutoff and overload protection. This feature helps to protect the device from accidents such as fire outbreak. It also prevents the device from wasting power in the event water has all been used in the device.

This device also has a LED refill indicator light. This feature is meant to flash whenever the device is running low on water. The LED refill indicator will begin to flash showing that the humidifier needs to be refilled before it automatically shuts itself off.

Built in on/off nightlight

At night when the room is dark, an inbuilt on and off night light comes in handy. This feature ensures that at night when it is dark you can easily sport the switch to switch on and off the device. It also helps to determine whether the device is on and off in a dark room.

The device also has an adjustable mist output controls. Using an adjustable knob, you can adjust the amount of mist you want to be released into the room to suit your preference hence increasing the levels of comfort of the device.


  • Easy to remove tank.
  • Cool mist.
  • Adjustable mist.
  • Auto-shut off feature.
  • Easy maintenance.
  • Clean and healthy mist.
  • Easy to use.


  • Has a filter than needs to be replaced.

Features at a Glance

  • I gallon tank.
  • Easy removable tank.
  • Ultrasonic technology.
  • In-built microbial treated filter.
  • LED Refill indicator light.
  • Adjustable mist control..

Product Specifications

  • Product Dimensions: 8.5 x 11 x 12.5 inches.
  • Item Weight: 5.7 pounds.
  • Shipping Weight: 5.7 pounds.
  • Manufacturer: HoMedics.
  • Domestic Shipping: Item can be shipped within U.S.
  • Item model number: UHE-CM45.

Frequently Asked Question

Q. I have had two of these. I have cleaned both of them once but they still smell of mildew. What did I do wrong or what should I do to take away the smell?

A. I was told that I should put 50% vinegar water into the tank. Run for at least 10 minutes and see if that helps with the odor. Mine was barely a month when the smell started but the smell is now gone.

Q. Am wondering how the mist output is. Does it shoot the mist up high enough so that it does not collect on the surface it is sitting on?

A. The mist output is very fine. Mine sits on the floor and I have never noticed any moisture on the nearby carpet.

Final Verdict

The soothing cool mist of the HomeMedics ultrasonic humidifier is ideal for keeping baby’s room pleasant and comfortable for sleeping. The unit has a 1-gallon tank that runs for 24 hours before the next refill and makes use of the ultrasonic technology to release a clean cool healthy mist.

It also has an adjustable mist control; an easy removable water tank and an antimicrobial material t prevent the growth of moulds and mildew at the bottom of the device. This is definitely a must have humidifier.

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