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If you require a humidifier and do not want to read the entire article, below are the recommended items from the article.  (Low, Medium and High Price)

What is the best frequency for ultrasonic humidifiers?

You may face several detrimental effects on your nose, eyes, throat, and skin because of the exposure with dry air. During winter, dry air can increase the risk of infections and worse skin conditions like eczema and psoriasis. Experts recommend using a home ultrasonic humidifier to combat this parched and dried air. A humidifier can make your home air more comfortable. This will add moisture to the existing air in your house to prevent dry skin, dry sinuses, and sore throats.

If you want to buy a humidifier, then you have two options: either an ultrasonic humidifier or an evaporative humidifier. This article reveals the benefit of ultrasonic articles to help you decide whether this is the best humidifier for you to buy and use.

What is an ultrasonic humidifier?

An ultrasonic humidifier, however, uses high-frequency sound vibration to produce an extra fine water mist that expelled to add moisture into the room. It’s a very simple device. Manufacturers make the vibrating diaphragm from ceramic or metal, which sits on the water reservoir’s surface to churns the water at a higher frequency to produce droplets 1.

This structure of an ultrasonic humidifier allows the mist to come out from the top when it’s in the shape of a teardrop. It includes a reservoir of water and a diaphragm for vibration.

The vibration of the diaphragm occurs at high frequency to churn the water into tiny droplets. Then the droplets evaporate in the air and add humidity to the room’s air. The sound frequency produced at a top-level to make it inaudible for the human being. That’s why they’re called ultrasonic humidifiers.

The design of an ultrasonic humidifier depends upon the style of the manufacturer. Many of them include fillable tanks while others have the option of inserting a water bottle. Many ultrasonic humidifiers add features like bells and whistles, USB power, LED night lights, LED display pads, and built-in clocks to attract customers.

An ultrasonic humidifier may have cool mist or warm mist function, or both depending on the model.  Models that produce both cold and warm must offer you the best of both worlds, allowing you to adapt the unit to your seasonal needs.

What is the best frequency for an ultrasonic humidifier?

As previously mentioned, ultrasonic humidifier produces high-frequency sound to create vibrations. This frequency varies from models to models. The most frequently used frequency ranges from 0.8 MHz to 1.7MHz by many brands. Even 2.4 MHz frequency used in ultrasonic humidifiers of some brand 2. Ultrasonic humidifiers use vibrating diaphragm transducer to vibrate at a high-frequency oscillation to produce this sound. This frequency silently generates microscopic water droplets that leave the humidifier as a fine mist to humidify the air.

The high frequency creates no danger to the human because it’s inaudible. But the low frequency creates several health problems like headache, dizziness, nausea, etc. All the humidifiers available in the market used the latest technology to produce no effect on the human body. With no kind of hesitation, they all are safe and easy to use. Ultrasonic humidifiers with distilled water prevent the spreading of white dust in your room.

Ultrasonic humidifiers create aerosolized “white dust” by dissolving minerals in the water droplets as a cool fog 3. It’s advisable and recommended using the humidifier with distilled water to prevent the dispersion of contaminants like bacteria, viruses, minerals depending upon the quality of water.

What are the benefits of an ultrasonic humidifier?

Ultrasonic humidifiers have several advantages over evaporative humidifiers. These includes:

They add so much moisture to the air. Besides, with a humidistat, they are best at humidifying the air. Detection of humidity level in the room is necessary prior to use the ultrasonic humidifier. Humidistat plays the role of detection and maintains proper humidity level of the room 4.

The humidifying mechanism of the ultrasonic humidifier is very simple, and this is small and compact to use.

This is quieter than the fan of an evaporative humidifier.

  • It does not generate any heat or use boil water to produce water vapor.
  • Ultrasonic humidifier provide relief from allergies, dry skin, chapped lips, dry throat, sinus congestion, and nose bleeds.
  • The wick or filter in an evaporative humidifier must replace regularly, adding effort and operational cost. But you never have to replace a wick or filter on an ultrasonic humidifier.
  • It costs very little electricity than an evaporative humidifier.
  • It helps in better and sound sleep. It moist the dry air and dry air makes your nose and throat dried and parched during sleep which makes you uncomfortable.

How to maintain an ultrasonic humidifier?

Cleaning is essential to avoid further risk of contamination in the air. You may clean your humidifier on a regular daily basis after use or a weekly basis. Manufactures recommended cleaning a portable humidifier in every alternate three days.

Cleaning is very simple. Detach the nozzle, empty the reservoir and use a brush or scrubber to clean it. Use clean water to rinse all parts and remove any scale, deposits, or film that has formed on the sides of the tank or on interior surfaces. Finally, dry all surfaces by using a clean towel. Disinfectants used to clean your humidifier according to the manufacture guidelines.

How to choose the right ultrasonic humidifier?

If you want to buy and use an ultrasonic humidifier which one you choose will depend on many factors like the size of your room and what types of additional features you want.

Very few portable, single-room humidifiers are common nowadays for their performance over the air pressure, temperature, initial humidity levels, and other factors. The size of the water reservoir also a significant factor while selecting a humidifier. For a gigantic room, it will dry early, so there might need a humidifier with a larger water reservoir. With a compact room, you can use a humidifier with a small reservoir.

Humidistat, a very much essential feature for an ultrasonic humidifier. This will automatically shut off the humidifier if the humidity levels get too high. The ultrasonic humidifier produces excessive humidity into the air. This excessive moisture can lead to dampness or favors the growth of molds. Humidistat plays a preventive role here to avoid these problems. Some ultrasonic humidifiers used aromatherapy oils which adds additional aroma which you can select according to your choice 5.

Please Note: Just because a humidifier is marked, for example “Baby Room”, it will still work for other things, for example “Living Room” or “Plant Humidifier”

Items To Buy

Again, the humidifiers below are probably the ones that you will need to buy!

The prices of these are low, medium and high. This will give you the best range. The lower prices will not have all the bells-and-whistles, and the higher price one's will.

Sale
TaoTronics Humidifiers, 4L Cool Mist Ultrasonic Humidifier for Bedroom...
  • 4L Tank Capacity, Works for All Night: Over a gallon of water lasts for 12-30 hour working time on a full tank; designed to humidify the air in rooms up to 10-30 m² / 107-322 ft², bedroom, nursery, office and so on
  • Informative LED display: Built-in Humidistat tells you the current RH; Easily choose between three mist levels; Set your desired humidity level, 40-60% is recommended
  • Nightlight & Sleep Mode: Choose to turn on the nightlight, or enter sleep mode to shut off LED screen for a discreet sleep at night
  • Safe to Use: Automatically shuts off when water runs out; Microporous cartridge filters the water from micro-organisms and bad odor, we recommend you change filters every 4-6 months
  • Please do NOT use with essential oils, which will damage the machine and cause leakage problem.
Sale
Humidifiers for Bedroom, TOPPIN Top Fill Cool Mist Humidifiers with...
  • Top Fill Water Tank: This ultrasonic cool mist humidifier for bedroom, as well an essential oil diffuser, comes with a top fill reservoir, easy to refill and clean with all parts including the lid cover detachable to keep hygiene and safe (add 3 pinches of salt to distilled water for normal running)
  • 3 Mist Levels: Efficiently delivers a comfortable environment in your home with an ideal humidity between 40% and 60% by 3 mist levels & a 360° mist nozzle, catering for different applications like bedroom, living room, study, or office, perfect for those suffering from colds, allergies and dry skin
  • 2.8L Large Capacity: The top fill cool mist humidifier provides constant moisture all night per filling, for up to 24 hours at low mist level and even 12 hours of high mist in the driest autumn and winter days
  • Sound & Silent Sleep: Have a full night’s undisturbed sleep, as the night mode keeps all lights including the tank light and LED indicators off, runs at low mist and mutes all touch buttons (auto turns to Low Mist mode when sleep mode is on)
  • Safe & Easy to Use: The ultrasonic cool mist humidifier auto shuts off at a low water level to prevent dry run; protective nano coating on the internal structure keeps it from dust and rust for a longer service time
Humidifiers for Large Room Bedroom,Keecoon 8L Diffusers for Essential...
  • KEECOON DECLARE: Please refer to the pictures in customer reviews.Pictures in our listing are under recover soon!Humidifiers for Large & Small Room:8L- LARGE & SMALL ROOM WORKS BOTH. 2.11gal water tank and 300ml/h high mist output. AUTO OFF MIST OUTPUT IF REACH YOUR CUSTOMIZED HUMIDITY.Equipped with EXTRA humidifier cleaner of sponge or brush for free. Open its wide water tank and easy to clean.Anti leak design with one pump pipe to go upwards the water vertically.
  • Humidifiers with Essential Oils Tray:5 Meter Remote Control & Touch Button works both.3 Mist Settings adjustable between low,medium and high moisture output. Auto shut off when out of water. JUST slide the side tray and add tiny drops of essential oils. Good choice is lavender lemongrass jasmine eucalyptus lemon orange rose peppermint tea tree scent.
  • Top Fill Humidistat Humidifier Filter Free: 46㎡/500 sq ft available for your large room. Up to 36 hours constant moisture at one top fill. Whole house room humidifier with humidistat works for your home.Portable humidifier for one person.Very quiet.This ultrasonic cool mist humidifier won't need any replacement filters to save your bill.Humidifiers Works perfectly for bedrooms,offices and baby rooms!
  • Baby Humidifiers for Nursery: 26db near-silent frequency added for your peace of mind. Only 2 drops of oil essentials works with this room humidifier perfectly for kids, babies, seniors & sensitive sleepers. Air purifier and humidifier all in one works for your yoga or work time at home in dry season.Especially soothe or comfort your baby at nursery time at night.
  • 12 Months Warranty for Humidifiers:Our large room humidifier supoorts 24 hours service online for any refund,return or technical assistance.Tower humidifiers help you better sleep or temporary relief from dust, from bedroom to office.This floor humidifier standing in your room fits in nicely with decor!

    Warnings: BEFORE USE,Please Put one TISSUE PAPER into the tiny ESSENTIAL OIL TRAY box for long machine lifetime.

References

  1. Should You Choose an Ultrasonic Humidifier for Your Home? | Molekule Blog. [accessed 2020 Jul 10]. https://molekule.science/should-you-choose-an-ultrasonic-humidifier-for-your-home/

  2. Umezawa M, Sekita K, Suzuki K ichiro, Kubo-Irie M, Niki R, Ihara T, Sugamata M, Takeda K. Effect of aerosol particles generated by ultrasonic humidifiers on the lung in mouse. Particle and Fibre Toxicology. 2013;10(1):1–10. doi:10.1186/1743-8977-10-64

  3. Putra IDGAT, Sunu PW, Temaja IW, Sugiartha N, Sugina IM, Suirya IW. Investigation on application of ultrasonic humidifier for air conditioning system. Journal of Physics: Conference Series. 2020;1450(1). doi:10.1088/1742-6596/1450/1/012050

  4. Xiao D, Yuan Q. The Research of Water Evaporating-cooling Humidifier ’ s Application In Air conditioner 2 . CONVENTIONAL METHODS OF HUMIDIFICATION. Refrigeration And Air Conditioning. 2010:1–7.

  5. Liescheidt S. Ultrasonic Humidifiers Technology. (877).

After I had a bout of sinusitis, I spent every hour looking for something that would allow some kind of relief form the pain. This was when I found the humidifier. This came as a great surprise to me, as I assumed that these were just “toys”

After this blessed release from sinusitis, I decided to investigate these things further

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