Best Filterless Humidifiers – Reviews & Buying Guide (2019)

A standard humidifier relies on a filter for operation. The filter soaks up water from the humidifier tank and blows the moisture back into the air assisted by a fan integrated into the humidifier.

Nevertheless, industry players regard these filters as unclean. For this reason, most manufacturers are now shifting their focus on making filterless humidifier models to meet the new market demands.

Consequently, filterless humidifiers for home and commercial use have become a common thing as technology advances. Why the shift towards filterless humidifiers and what is the difference between these humidifiers and those with filters?

Filter vs no-filter

With a filterless humidifier, you can have an easier time maintaining your humidifier since a filter requires extra servicing. In the long run, you will end up saving lots of money due to the reduced maintenance costs.

The main difference between the two types of humidifiers is that a filterless humidifier features an electrostatic charge dish. This feature allows the appliance to remove dust and impurities directly from the air instead of storing it in a filter which leads to accumulation of dirt over time. The absence of a filter eliminates the need of cleaning your humidifier to remove the white dust that builds up after some time in those with filters.

The more you use a humidifier that has a filter – you increase the risk of exposure to bacteria. There may be bacteria that gradually build up in filter cartridges and find their way into the atmosphere and contaminate the air that you breathe. Also, there is the likelihood of forgetting to replace or clean the filters. As a result, you may end up compromising your health. With a filterless humidifier, you would not have to worry about such issues. However, you ideally need to clean these appliances at least once a week.

Advantages of filterless humidifiers

  • You do not have to worry about getting new filters
  • Have a grid to remove dust in place of filters
  • User-friendly and easy to clean
  • Affordable
  • Noiseless, which makes them ideal for rooms with babies

Top 5 filterless humidifiers

Choosing the best no-filter humidifier for your home or office can be a daunting task as there are many options for you out there. We took it upon ourselves to delve into research and come up with a comprehensive list of the best filter-free humidifiers that are available out there and would not disappoint you. Price, design, and user-friendliness all factored into compiling this list of the best non-filter humidifiers.

Vicks germ-free warm mist humidifier

Vicks Germ-Free warm mist humidifier

Coming from a company renowned for providing devices that offer respiratory health solutions – we highly recommend the Vicks germ-free warm mist humidifier. It is one of the best filterless humidifiers for home use. Being a warm mist humidifier, this product is ideal for colder climates. The most outstanding feature of the Vicks humidifier is its medicine cup to utilize Vicks Vaposteam that allows you to use the appliance to dissipate certain drugs meant for respiratory conditions. The medicine cup is removable for easy cleaning. Running of this unit is noiseless allowing you and your children to get uninterrupted sleep.

The Vicks humidifier has multiple humidity level setting that you can adjust according to the size of the room where you want to use it. This product’s tank comes with soft handles to facilitate easy filling and lifting. It comes with a couple of translucent water tanks that allow you to monitor the water levels. These two one-gallon tanks have the capacity of running for up to a full day per filling. Finally, the humidifier features a UV chamber capable of killing up to 99 percent of germs, mold and bacteria leaving you with sanitized, clean and pure mist.

Pros

  • Noiseless
  • Eliminates germs, mold and bacteria
  • Elegant design
  • Multiple humidity level settings
  • Two water tanks

Cons

  • Not ideal for warm conditions

Vicks mini filter free cool mist humidifier

Vicks Mini Filter less humidifier

Built specifically for bedroom use, this product is filterless cool mist humidifier worth giving a chance. Using it ensures temporary relief of coughs and nasal congestion allowing you to breathe easier and sleep as comfortably as possible. Given its primary purpose, the Vicks mini filter free cool mist humidifier has a small tank with a capacity of 0.5 gallons. This capacity allows it to run for about 20 hours if in its lowest setting. It comes with adjustable mist control so that you can regulate humidity levels to meet your needs.

This appliance tank is transparent with a wide opening rendering it easy to use, clean and refill. When the tanks run out of water the humidifier automatically shuts down for safety and saving energy. Also, the Vicks Cool Mist Humidifier employs ultrasonic technology that facilitates a quiet operation – allowing to get uninterrupted sleep alongside a soft-glowing nightlight. A bonus feature is the VapoPads feature that lets you use soothing menthol vapors for a better user experience.

Pros

  • Quiet operation
  • Auto shutdown
  • Nightlight
  • Menthol vapors option
  • Easy to clean

Cons

  • Only works for small rooms

Holmes ultrasonic humidifier

Holmes ultrasonic humidifier

The Holmes ultrasonic humidifier features a stylish design to add to the beauty of any modern home. It comes with an antimicrobial coating to prevent contamination of water, formation of stains, and odor of the mist that it emits. For easy monitoring of water levels, the Holmes ultrasonic humidifier is transparent on its sides from the top to the base. With a capacity of 1.3 gallons, you can be sure that this humidifier can easily you see you through a full day of operation in a room of up to 300 square feet.

This product has noiseless fan regardless of operating level – whether low, medium, or high you get virtually no sound at all. It is lightweight and is designed in such a way that it would fit in any part of your room. The Holmes ultrasonic humidifiers has one control knob that lets you navigate through low, medium, and high settings.

Pros

  • Affordable
  • Noiseless
  • Large water capacity
  • Elegant design
  • Antimicrobial coating

Cons

  • Has issues with hard water

Bionaire ultrasonic humidifier BUL7933CT

Bionaire Ultrasonic humidifier

Unlike most of the other humidifiers that have a medical look – the Bionaire BUL7933CT has a stylish and elegant design that would surely make your room look even better. It has a digital screen with user friendly intuitive buttons to navigate through its various settings. You also have the option of switching off the digital screen when you want to sleep and do not need any extra light. It has an efficient spout and is easy to refill.

Also, it is a quiet machine meaning you can get a peaceful sleep even if you have the Bionaire ultrasonic humidifier in your bedroom. It features a 1.5-gallon tank that may take up to 48 hours before requiring a refill. Whenever the tank runs out of water – it has an indicator that lets you know it needs a refill. Regarding design, it has a flat and tall shape that saves you lots of space for other items around the house or office.

Pros

  • Noiseless
  • Antimicrobial coating
  • Large water capacity
  • Elegant design

Cons

  • A bit pricey

Vicks filter-free ultrasonic visible cool mist humidifier

Vicks filter free ultrasonic

Just like its sister brands mentioned at the beginning of this roundup, the Vicks filter-free ultrasonic has what it takes to be a humidifier of choice. For starters, it is user-friendly with its variable humidity control buttons and wide tank opening for easier refills. You can also couple it with VapoPads to sooth cough and cold symptoms, better breathing and comfortable sleep. As the name suggests, this product is filterless though you may need to purchase an additional Protec demineralization cartridge to prevent white dust build up if you are using hard water.

The Vicks Visible Cool Mist Humidifier is ideal for medium-sized rooms. It has a 1.2-gallon tank that can run for up to 30 hours before needing a refill. Also, the tank is transparent so that you can monitor the water level and like the other humidifiers in this roundup, it operates quietly making it suitable for bedroom use and with babies. With the VapoPads, this humidifier is a good deal considering the additional health benefits that this feature may bring.

Pros

  • Noiseless
  • Additional health benefits
  • Large water capacity
  • User-friendly

Cons

  • Lacks auto shutdown feature

As mentioned before, filterless humidifiers are way better than their counterparts with filters. If you have babies and old people in your home, it would be worth investing in any of the products mentioned above – since it will enhance their respiratory health. Also, most of these items are affordable so it would not be a problem acquiring one. Furthermore, without the need of replacing a filter, you are going to save more in the long run.

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