Do you sometimes wake up in the middle of the night finding it hard to breathe with a stuffy nose? Does your skin ever feel dry and itchy, or your lips chapped and cracked? These are all too common annoyances we deal with in indoor environments, especially during winter, and the reason is simple: the air inside your home doesn’t have enough moisture. People have been struggling with stuffy noses and dry skin from their arid home environments since time immemorial and would resort to remedies that would simply be deemed outlandish by today’s standards, such as, applying earwax to their lips or stuffing herbs in their noses.

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Fortunately, at some point in time, people discovered that actively trying to increase the humidity level in the home with steam or fog greatly reduces these ailments and this has led us to the invention of the humidifier. Today there are several different types of humidifiers, but one that has grown in popularity over the last 5 years has been the ultrasonic humidifier(ar,de,ru). In this article, we are going to give an overview of what an ultrasonic humidifier is, how they work, their pros and cons, how to maintain them, and we’ll wrap up with some of our recommended ultrasonic humidifier models.    

What Is Ultrasonic Humidifier

An ultrasonic humidifier is a home humidification device which increases the humidity level of a given space by silently releasing extra-fine water vapor into the surrounding air.     

How Does Ultrasonic Humidifier Work

Ultrasonic humidifiers work by using a ceramic diaphragm that vibrates at ultrasonic frequency to create water droplets that silently exit the humidifier in the form of a cool mist. This water vapor is released from the device by a small and inaudible fan. Since the water droplets are so fine, they evaporate into the surrounding air very quickly and efficiently, ultimately adding humidity to the room. The ultrasonic frequency which produces the mist is created by what’s known as a piezoelectric transducer which makes a frequency of 1-2 MHz in a film of water, leading to the formation of tiny water droplets that are only one micron in diameter. 

What Is Better: Evaporative or Ultrasonic Humidifier

Ultrasonic humidifiers are considered to be superior to evaporative humidifiers because they require less maintenance, are completely silent, and have a more modern look to them. The methods in which they modify the humidity level are equally efficient and both are easy to use. 

Ultrasonic Humidifier Pros and Cons

• Ultrasonic Humidifier Benefits

        Simple to use. Even though the name of the device sounds high-tech and complicated to use, an ultrasonic humidifier is actually very user-friendly. It just consists of a water reservoir and a ceramic diaphragm. There are no extra components or complex systems to worry about.

        Silent. Ultrasonic humidifiers use a ceramic diaphragm to create humidity which vibrates at an ultrasonic frequency, meaning that it doesn’t make any sound. This is a great advantage for people who like to keep a humidifier in their office but don’t want any annoying humming going on in the background while they work, or for people who need near complete silence to sleep.

        No filter changes. Ultrasonic humidifiers don’t use filters, so you don’t need to worry about when to replace the filter or spending extra money on replacements. 

        Small and compact size. Ultrasonic humidifiers are very small in size and make the best type of portable humidifier. They can be very easily moved around the home to meet all of your home humidification needs.

•  Ultrasonic Humidifier Dangers

        When we hear the term ultrasonic we often think of the medical machine in the hospital which uses ultrasound to see what’s going on beneath the soft tissue of our bodies – perhaps it conjures up thoughts or even memories of hospital visits which can be anxiety inducing to say the least. It might make you wonder, are ultrasonic humidifiers safe? Yes, there’s no need to worry; ultrasonic humidifiers are very safe for adults, children, and pets.

        However, the EPA (United States Environmental Protection Agency) has found that ultrasonic humidifiers tend to disperse more biological agents than evaporative humidifiers. This is because these devices don’t use a filter. The reason why this could potentially be unsafe is that it would theoretically allow aerosolized particles such as bacteria, viral particles, or mineral particles to be released into the air that we breathe. So, in theory, this would allow for the easier transmission of viruses. The EPA recommends cleaning your ultrasonic humidifier about once every 3 days to help prevent this possibility.

        Another potential drawback of ultrasonic humidifiers to be aware of is not one related to safety, but rather convenience. You see, the water that comes from our tap is often considered to be “hard water”, that is to say, it contains a relatively high amount of minerals. Since ultrasonic humidifiers don’t use a filter, these mineral particles will be released into the air and will accumulate as white dust on the surfaces of your home. These particles are harmless and can be simply wiped away. The EPA actually conducted an experiment on the effect of these mineral particles on the lung tissue of mice and did not find any evidence of lung tissue damage. That said, the EPA still recommends that you use distilled water with your ultrasonic humidifier to reduce any risk. Using demineralized or distilled water will also greatly reduce the amount of that white dust accumulation on your furniture and appliances.  

How to Use Ultrasonic Humidifier

Ultrasonic humidifiers are very easy to use; you can get your ultrasonic humidifier up and humidifying in 3 quick steps that shouldn’t take you more than 2 minutes to complete.

Step 1: Place the humidifier. Choose an open area in the room in which you’d like to increase the humidity level. Tables, desks, or window sills are all great choices. Just make sure that it is a spot that has access to good air circulation and is close to an edge so that the water particles have a better opportunity to evaporate and won’t just fall on a surface.

Step 2: Fill the reservoir. As previously stated, it is best to use distilled water; however, this isn’t necessary.

Step 3: Turn on the device and tweak the settings. If you can use a TV remote, you can use an ultrasonic humidifier. Simply locate the power button and adjust the temperature or timer settings as you please. Some people prefer a warm mist as opposed to a cool mist – these are both adjustable in the settings. If you are using a smart ultrasonic humidifier, everything can be done from your or even your voice once the device has been linked to your wifi or smart hub system.

How to Clean Ultrasonic Humidifier

As previously mentioned, it is a good idea to clean your ultrasonic humidifier to reduce the chance of bacteria making their way into those tiny water droplets and potentially getting spread around your home. Luckily, ultrasonic humidifiers are designed with easy cleaning in mind. You can use two teaspoons of hydrogen peroxide, or other natural and inexpensive products, like vinegar, diluted with warm water to clean your ultrasonic humidifier.

Clean your ultrasonic humidifier by adding two teaspoons of hydrogen peroxide, vinegar, or any anti-microbial product to warm water and pour it into the water reservoir. The EPA recommends using a brush or other cleaning tool to give it a quick scrub. Then, just let the solution sit for 10-20 minutes.  After 10-20 minutes, pour out the cleaning solution and give a quick rinse. Lastly, dry with a paper towel or leave to air dry – and that’s all there is to it!   

Best Ultrasonic Humidifier Recommendations

A good ultrasonic humidifier should provide moisture to the air efficiently, be easy to maintain, and have intuitive design and features, such as compatibility with a smart hub system, portability, or a built-in essential oil diffuser. With these criteria in mind, we searched for the 3 best ultrasonic humidifiers available in .

• Levoit Classic 300S Ultrasonic Smart Humidifier

        Excellent smart home functionality: The Levoit 300S Ultrasonic Smart Humidifier has impressive functionality such as cleaning reminders, voice command compatibility with Alexa and Google, and even a night light you can turn on if you get up in the middle of the night.

       Sleek design that makes cleaning easy: The water reservoir on this model doesn’t have any tight spaces or corners so cleaning can be done much more quickly and conveniently.     

        Accurate and effective: The Levoit 300S Ultrasonic Smart Humidifier has a superbly accurate auto-mode which keeps the humidity level of the room almost exactly where you want it throughout the day. This system is the most accurate of any other model we tested.

•  Geniani Top Fill Cool Mist

        Convenient refill: As is said in the device’s title, the Geniani Top Fill Cool Mist allows you to refill it simply by pouring water into the cavity at the top of the water reservoir rather than removing the reservoir and bringing it to the sink or your distilled water source.

        Small and portable size: At only 4 pounds, this guy is pretty small and light so you can easily move him around your home, even if the reservoir is full. The drawback is that you’ll need to refill more often, but as we already mentioned, refilling is really convenient.

        2-in-1 humidifier & diffuser: You can ensure you and your loved ones get the best night’s sleep by adding essential oils such as lavender oil or chamomile oil into the diffuser so that you can get those ideal air conditions for your sleep.

•  Maxcio Ultrasonic Humidifier

        Longest running time: You won’t need to worry about having to refill the Maxcio Ultrasonic Humidifier as often as other humidifier models as it can run for up to 30 hours on a single fill.

        Modern and sleek design: This model has a very minimalist design that not only looks great in the modern home, but is also very easy to clean given its smooth and round shape. It also comes with customizable RGB backlighting to create an atmosphere and won’t disturb your sleep.

        BPA free: Maxcio Ultrasonic Humidifier is BPA free and suitable for children and babies.   

        2-in-1 humidifier & diffuser: Just like the Geniani Top Fill Cool Mist, you get double duty on your purchase as this model also has a built-in essential oil diffuser.

Contact us to discuss your requirements of centrifugal humidifier. Our experienced sales team can help you identify the options that best suit your needs.

That wraps up our blog for the 7 things you need to know about ultrasonic humidifiers. Hopefully you now have a better idea of how ultrasonic humidifiers function and can now make a more informed decision before buying your new ultrasonic humidifier. Just to reiterate, we’d recommend using distilled water in your ultrasonic humidifier to reduce the amount of white dust caused by mineral particles present in the water and to clean the device once about every 3 days with hydrogen peroxide or vinegar mixed with warm water. Happy humidifying!    

Choosing the Best Humidifier: Pros and Cons of Cool Mist vs. Warm Mist

Creating a space where you can feel comfortable and relaxed is essential for a home environment. Humidifiers play a vital role during colder months, when the warm air being pumped through your home heater can reduce humidity levels and create a dry environment.  

Humidifiers are divided into two categories: cool mist and warm mist. Each type employs a distinct method of adding moisture to the air and has unique pros and cons. Below, we unravel their differences in functionality, efficiency, maintenance requirements, and more to help you decide which humidifier is the best fit for you, your family, and your home.  

Understanding Humidifiers: A Basic Overview

Humidifiers are pivotal in managing indoor air comfort. Essentially, a humidifier's primary function is to introduce moisture into the air, thereby increasing the humidity level within an enclosed environment. This process is particularly important in dry areas, such as desert climates, or during the fall and winter months when the air in our home tends to be dry due to heating systems that strip indoor air of its natural moisture content.

Indoor humidity levels between 30% and 50% are considered ideal for several reasons:

• Benefits of humidified air: Dry air can irritate the nasal passages, throat, and lungs, causing discomfort and dry coughs. Adequate humidity levels can help soothe this irritation and can also help temporarily relieve discomfort caused by colds or the flu.

• Comfort: Proper humidity levels can help keep skin hydrated and soothe existing dried out, itchy skin.

• Preservation of Household Items: Dry air sucks moisture from wherever it can—including wood flooring and furniture. Even wooden musical instruments and leather can become cracked and warped in extremely dry conditions. Proper humidity levels help preserve the integrity and longevity of these expensive items and features in your home.

Cool Mist Humidifiers: An In-Depth Look

Cool mist humidifiers have increased in popularity due to their ability to improve humidity levels without heating the water they disperse. These devices release a cool vapor into the air, effectively increasing the room's humidity without increasing the temperature. This makes them a great option for warmer, drier climates, as well as families with young kids and pets. 

How Cool Mist Humidifiers Work

There are two main types of cool mist humidifiers: ultrasonic and evaporative.   

1. Ultrasonic cool mist humidifiers use ultrasonic vibrations to create a fine mist, which is then released into the air. An ultrasonic humidifier contains a small metal plate that vibrates at an ultrasonic frequency, expelling water droplets into the room.                                      
2. Evaporative cool mist humidifiers employ a wick filter to absorb water from the humidifier's reservoir. A fan then blows air through the moistened filter, and some water evaporates into the room during the process. The filter also helps to filter out impurities in the water.                                                          

Advantages of Cool Mist Humidifiers

• Safety: One of the most significant benefits of cool mist humidifiers is safety. Because they don’t heat water, there is no risk of burns, making them a safer option for homes with children or pets.

• Comfort During Warmer Weather: Cool mist humidifiers won’t increase your room temperature because, again, they don’t heat the water into steam. They’re a perfect companion for warmer climates and during the spring and summer months.

• Energy Efficiency: No water heating = less energy used. Cool mist humidifiers typically consume less energy than warm mist humidifiers, since this added step of steam creation is left out.

Potential Drawbacks and Considerations

• Noise Level: Some cool mist humidifiers, particularly evaporative types, can be noisier than warm mist humidifiers due to the use of a fan.

• Maintenance: The standing water in these devices can become a breeding ground for mold and bacteria when not cleaned properly.

• Mineral Dust: Ultrasonic humidifiers can sometimes produce fine white dust as they disperse minerals from unfiltered water into the air. Using distilled water can minimize this issue.

The Gist of It

Cool mist humidifiers are an excellent choice for increasing humidity in larger spaces—particularly in warmer climates—as well as families and those looking to cut back on their energy usage. However, they require regular maintenance to remain safe and effective. 

Warm Mist Humidifiers: An In-Depth Look

Warm mist humidifiers, also known as steam vaporizers, offer a different approach by emitting steam instead of a cool mist. Understanding how they function, and learning about their pros and cons can help you decide if these humidifiers are the right choice for you. 

How Warm Mist Humidifiers Work

Warm mist humidifiers operate by boiling water to produce steam. The steam is then released as a warm mist.  

Advantages of Warm Mist Humidifiers

• Quieter Operation: Generally, warm mist humidifiers are quieter than cool mist humidifiers, since they don’t use a fan.

• Comfort in Cold Weather: The warm vapor can add a bit of heat to the room, making these humidifiers a great option in colder climates or during winter months.

• Less Mineral Dust: Unlike some cool mist humidifiers, warm mist models are not expected to disperse substantial amounts of mineral dust into the air as minerals are left behind during the boiling process.

Potential Drawbacks and Considerations

• Energy Consumption: Warm mist humidifiers tend to use more electricity in order to boil water and generate steam.

• Risk of Burns: The boiling water and steam can pose a burn risk, particularly for children and pets. It’s important to always place these humidifiers in a safe location.

• Frequent Cleaning Required: Regular cleaning is essential in order to prevent mineral buildup from the boiled water and maintain efficient operation.

• Less Ideal in Warm Weather: In warmer climates or during hot weather, you might find the warm mist uncomfortable.

The Gist of It

Warm mist humidifiers are a great option for anyone looking for quieter operation and the added comfort of warm vapor, especially in cooler weather. However, they do come with higher energy consumption, safety concerns, and regular maintenance requirements. 

Cool Mist vs Warm Mist Humidifier: Comparing Key Factors

Both types of humidifiers have unique features and considerations, particularly regarding operational efficiency, health and safety, maintenance, noise levels, and cost implications: 

 Comparison Cool Mist Warm Mist Energy consumption More energy efficient Less energy efficient Area coverage Great for larger rooms and open spaces Great for smaller rooms Burn concerns No risk of burn from hot water / steam Risk of burns from hot water / steam Maintenance Requires regular cleaning. Daily is recommended Requires regular cleaning. Daily is recommended Cleaning difficulty Average (mold and mineral buildup must be cleaned frequently) Average (mold and mineral buildup must be cleaned frequently) Noise Varies based on type Low noise level Initial cost $–$$ $$–$$$

Recommendations Based on Individual Needs

Choosing between a cool mist and a warm mist humidifier largely depends on preference, room size, and the prevailing climate conditions. But sometimes we have specific concerns or needs that cause us to take additional factors into consideration:  

• For Asthma or Respiratory Conditions: Consult with your healthcare provider before using a humidifier.

• For Light Sleepers: A warm mist humidifier's quieter operation is the perfect gentle white noise at night.

• For Energy Watchers: If you’re working to cut back your energy consumption, try an evaporative cool mist humidifier.

• For Colder Climates: Warm mist humidifiers add warmth to the air, making them a great option for use during winter.

• For Warm and Dry Climates: Cool mist humidifiers can feel soothing to the skin, throat, and nasal passages in warmer, dry climates.

• For Households with Children and Pets: The absence of hot water or steam in cool mist humidifiers makes them a safer option in homes where children and pets are present, reducing the risk of accidental burns.

Frequently Asked Questions

Which humidifier is best for relieving seasonal discomfort?

Cool mist humidifiers are often recommended for individuals suffering from discomfort associated with seasonal irritants. They help add moisture to the air, which can alleviate some discomfort such as dry nasal passages and sore throats. However, it's important to maintain strict and frequent cleanings and use distilled water with cool mist humidifiers, as they can disperse mold and bacteria if not properly cared for. Always consult your healthcare provider before using a humidifier. 

What should I use for a baby's room?

Cool mist humidifiers are generally considered safer, since they don't involve hot water or emit warm steam, which reduces the risk of accidental burns. Additionally, maintaining an adequate humidity level with a cool mist humidifier can help soothe baby’s discomfort from dry skin and congestion. As always, safety is paramount, so humidifiers should be placed out of reach of children and maintained regularly to prevent microbial growth. 

Are there any risks associated with using humidifiers?

• Burn Risk: The biggest risk is burns from the hot water or steam created by a warm mist humidifier, which is particularly important to consider if you have children or pets at home.

• Bacterial Growth: Both warm and cool mist humidifiers can harbor bacteria and mold when not cleaned and maintained properly.

Can I use essential oils in both types of humidifiers?

The use of essential oils depends largely on the design and recommendation of the manufacturer. Always consult your humidifier’s user manual before adding essential oils.

Important Note

The information provided here is for informational and educational purposes only and should not be used in medical emergencies or for diagnosing or treating any medical condition. It's crucial to consult a licensed medical professional for diagnosis and treatment. External links are for informational purposes and do not constitute endorsements. No warranty of any kind, either expressed or implied, is made as to the accuracy, reliability, timeliness, or correctness of the information provided herein.  

Citations: 

National Library of Medicine 

Mayo Clinic 

Consumer Reports