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5 Best Filterless Air Purifiers – (Reviews & Buying Guide 2022)

Are you tired of replacing filters in your air purifier ? You want to find the best rated Filterless Air Purifiers available this year? If so, you are in the right place! Our detailed buyer's guide will help you find the perfect Filterless Air Purifier for your needs!

You could be looking for an affordable option for your home or apartment. After all, ‘regular’ Air Purifiers are not Filterless. And you can’t easily have one of these for a couple hundred bucks or less.

Pure air is important but changing the air filter is not as pleasant. Because we understand that very well, we selected the best filterless air purifiers for you! No more filters to change and no more money to spend!

Check out our top filterless air purifier reviews to make the best decision for your home! You will not have to spend precious hours researching the market and comparing products because we did that for you.

1. Airfree P1000 Filterless Air Purifier

Airfree P1000 Filterless Air Purifier

This Airfree P1000 non-filter air purifier will be just what you need if you have a space of 450 sq ft. It will work great for smaller places as well. It is the ideal device to eliminate bacteria, dust, mold, pollen, pet dander, allergens, and other impurities in the air.

The Airfree P1000 has a CARB certificate, and it uses Patented Thermodynamic TSS Technology instead of a filter. This technology works the same as boiled water, using heat to reduce pollutants in the atmosphere around you.

 The temperature this P1000 filterless purifier uses to neutralize impurities is close to 400 degrees F., but it will not spread hot air in the room. The atmosphere is cool and fresh as soon as it exits the device.

You don't need to replace any filters, so you will not spend any money in the long run. It is also a very silent product and it will not bother you when you relax. There is no need to worry about Ozone, ions, or even UV light because this product doesn't use any of them.


  • Uses Thermodynamic TSS Technology
  • CARB certificate
  • No Ozone, UV light or ions
  • Very silent


  • It might not be as efficient at reducing odors
  • There is no display to show you the air quality

2. Airfree Iris 3000 Filterless Air Purifier

Airfree Iris 3000 Filterless Air Purifier

Another air purifier without filter that you will love to use is this Airfree Iris 3000. It will work great for spacious rooms of up to 650 sq ft. This device also uses the Patented Thermodynamic TSS Technology, which is one of the most efficient technologies.

The air that gets sucked into the purifier will reach a 400 degrees F temperature to be pure. Once it eliminates the air into your space, it will be cool and fresh when you breathe it in.

To make sure that this Airfree Iris 3000 filterless air purifier will stand up to the highest expectations, ISO labs tested it in many corners of the world. It gets rid of pet dander, bacteria, viruses, dust, germs, and other dangerous pollutants in your air. When it comes to mold destroying air purifier, Airfree 3000 is one of the most well-known and reliable out there.

You will like that it is a very silent device and it comes with a variety of ambient lights. The design is charming as well, so it will blend in perfectly in any room of your house. It will not consume too much energy either since it has no fans or filters. The maximum power this item will consume is 52 W.


  • No filters or fans
  • Adjustable ambient light
  • Covers up to 650 sq ft
  • Discreet and elegant design


  • There are no different colors to choose from, but this black design is perfect for all backgrounds
  • It takes several hours to change the air in your space. Once the air is pure, it will remain pure as you keep using this device

3. Air Oasis 1000 G3 residential air Sanifier purifier

air oasis 1000 g3

The Air Oasis 1000 G3 doesn't use a filter, but it uses a fan to clean your air. It is the most excellent filter-free air purifier for reducing pollen, pet dander, odors as well as VOCs and dangerous germs. It is ideal for places up to 1000 sq ft.

The Air Oasis 1000G3 filterless large room purifier works with the highest AHPCO NASA technology, which combines perfectly with bi-polar ionization. Not only that, this purifier will clean your air, but it will also clean the different surfaces in your house or office.

It also uses UV C light to get rid of germs and viruses so you will not get sick or catch a cold. On top of all these qualities, this Oasis 1000 G3 room air purifier is very portable too. It weighs only 3.09 pounds so you can move it from one room to another quickly.

You will not have to be concerned about noise either. This Air Oasis filterless air purifier is quite enough not to bother you during the night. It depends on how dirty the air is too. The fan will work harder and generate more noise if there are many impurities in the atmosphere.


  • No filter but uses a fan
  • UVC light to reduce germs
  • NASA AHPCO technology combined with bi-polar ionization
  • Increased portability


  • Not recommended for rooms more prominent than 1000 sq ft
  • It is not completely silent, but it will not bother you either

4. Envion Ionic Pro Turbo Ionic No Filter Air Purifier

Envion Ionic Pro Turbo Ionic Air Purifier

Envion Ionic Pro Turbo also offers one of the most efficient air purifiers that don't need replacement filters. With this unit, you get rid of more than 99% of pollutants, allergens, dust, pet dander, and bacteria in your house.

The Ionic Pro Turbo air purifier is ideal for rooms up to 500 sq ft so you can use it in bedrooms, open spaces, or even your kitchen. This purifier will replace the air in your home three times per hour. So, you can be sure that you are breathing in clean air at all times.

 Ionic Pro Turbo will not make a lot of noise, and you can rewash the filter every time you need to. You don't have to replace it as it is easy to clean. You will also be glad to find out that this product will not consume more energy than a light bulb.

You can set it to the speed you want and enjoy its sleek design in any room. It is effortless to move as well, thanks to the lightweight of only 7.8 pounds.


  • Reduces all types of pollutants and viruses
  • Covers 500 sq ft
  • Washable filter
  • Sleek and simple design


  • It will generate some noise on higher speed but not enough to be bothering
  • There are not more colors to choose from when you get this purifier

5. Airocide - NASA Air Purifier for VOCs Removal

Airocide air purifier

If you are looking for a high quality filterless air purifier to alleviate asthma and allergies symptoms that’s not going to take “no” for an answer, look no further than the Airocide NASA. This Airocide air purifier gets rid of mold, pollutants, fungi, dust, viruses, and VOCs as soon as you start using it.

The NASA technology of this device is approved by the FDA and very capable of purifying all types of air. Forget about unpleasant smells in your home too! It doesn't use any Ozone, and you will not need to replace any filters either.

Inside this Airocide - NASA Air Purifier, there is a Reaction Chamber that uses 254-nanometer light to clean the air that it traps inside. You will have to replace this Chamber, usually once every 12 months for proper results. There is a light that will come on to indicate when you need to replace the Chamber.

The weight of this item is nine pounds, which allows you to move it anywhere you want to enjoy clean air. It will work correctly in medium-sized spaces such as bedrooms or living rooms.


  • No filters to replace
  • Uses NASA technology
  • Recommended for asthma patients
  • Perfect for all medium size rooms


  • You will need to replace the Chamber every year, but you will find it at a reasonable price.
  • It will produce some noise.


Getting the best filterless air purifier is a real asset for your home. You will be healthier and sleep better while you have such a product in your space. This guide brings you the most excellent air purifiers to choose from without taking any risks. Get the right one for you and increase the quality of life for your entire family!

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