Air Purifier

Best Filterless Air Purifier Review in 2020

Air purifiers do a wonderful job in removing the harmful contaminants and in giving a clean air to breathe. Purifiers come with filters and without filters options. Air purifiers without filters keep you away from the hassle of replacing filters on a regular basis. It also saves you from filter replacement expenses. These disadvantages encourage people to buy filterless air purifiers. Such purifiers work on different technologies to give clean and safe air in your room.

If you have an allergy and want a solution for your stuffed nose every morning, filterless air purifiers, less expensive than machines with filters for air purification process, would be the great choice for you. Finding the perfect air purifier is not an easy task when you have a plenty of options to choose from. Airfree P1000 is highly recommended for small or medium sized rooms. Here, we have shortlisted few best devices to make your searching process little easier.

Best Filterless Air Purifier

Rank Name Ratings Price Coverage Adjustable Night Light Consumption Discount Link

Airfree Onix 3000 Filterless Air Purifier

3.9/5 $$$ 650 sq.ft. 51W

Airfree P1000 Filterless Air Purifier

3.8/5 $$ 450 sq.ft. 45W

Airfree T800 Filterless Air Purifier

3.9/5 $ 180 sq.ft. 33W

RXAIR Platinum UVC1001P Filterless Air Purifier

3.4/5 $$$ 800 sq.ft. 7.5W

Filterless UV Air Purifier

2.9/5 $$$ 1000 sq.ft. 15W

No.1 Airfree Onix 3000 Filterless Air Purifier


  • Small and lightweight
  • Completely Silent
  • No filter replacement cost
  • Effective removal of pollutants and odor


  • Little expensive
  • It gets warm when running

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This Airfree model has an award-winning design which is capable of removing 100% airborne particles in a room. To get effective results, it is recommended for an area of up to 650 square feet. Onix 3000 uses thermodynamic technology to kill bacteria, pollens, viruses, allergens, germs, pet dander etc.

Onix 3000 is more efficient in its working as it emits no ozone, also does not use UV lights. Both of them can create health issues. Also, it does not produce any noise when in operation, thus gives you calm sleeping hours. You can observe the effectiveness of this filterless air purifier within few hours. It not only removes air pollutants but also eliminates the odor of pets and smoking, thus gives pleasant smell in a room.

If you want to enhance the atmosphere of a room with a cozy lighting, just use its adjustable blue night light for relaxed sleep. It consumes very low energy. If you are concern about electricity bill, you can own this machine at around $300.

No.2 Airfree P1000 Filterless Air Purifier

Airfree P1000 uses highly effective air sterilization technology that eliminates 99.99% of pollutants in a room or area it is placed in. If you have a room of up to 450 square feet and want to get rid of allergens and bacteria present in an air, this device without filter delivers the wonderful result.

It is designed especially for mold and dust mite control. If anyone in your family has asthma or suffering from allergy, this purifier gives great relief to them by producing fresh and clean air. You just need to turn on this device and enjoy a healthy environment. Its silent operation does not bother you during the sleep.

As it does not have any filter, so it requires no filter replacement and maintenance costs. Like the above purifier, this too has adjustable night light and low energy consumption. Also, it does not emit ozone, ions and UV light. You can think of Airfree P1000 if looking for something within your budget.

No.3 Airfree T800 Filterless Air Purifier


  • Perfect for smaller rooms or travel
  • Compact size
  • Good performance and efficiency
  • Completely Silent


  • Works only for small space
  • Initially emits plastic like smell

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When we talk about an effective air purifier without filter at the competitive price, Airfree T800 does standout from other similar devices. It has a compact and elegant design which is made especially to place it at a small room measuring up to 180 square feet. Due to its compact size, it is highly portable and can also be carried during travel.

It has the power to remove both microorganisms and airborne particles such as mold, dust mites, allergens, pollen, bacteria etc., and ensures to give clean and safe place to breathe. Like the other two Airfree models, T800 too emits zero ozone and ion. It works with an innovative thermodynamic technology to clean the air and let it do not make any noise during operation. Hence, it is a completely silent device.

Being filter-free, its replacement cost is zero. It maintained the air around the device at a reasonable cool temperature. The device can fit with any home or office d├ęcor.

No.4 RXAIR Platinum UVC1001P Filterless Air Purifier


  • Ideal for larger area
  • UV-C light purification technology
  • 17 adjustable fan speeds
  • Extremely easy and quiet


  • Quiet Expensive
  • Not easy to clean

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RXAIR Platinum UVC1001P air cleaner is designed to cover the larger area of up to 800 square feet. You can place it in your bedroom, living area, office, or any space to breathe clean and fresh air. It is highly powerful to eliminate more than 99% of airborne particles and give relief to individuals with allergy, asthma, TB and others.

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This device uses high-intensity germicidal ultraviolet light (UV-C) to clean the air. It protects your family from flu and common cold. It also removes odor, thus gives highly improved indoor air quality. Due to its powerful air cleaning results, it is also used in schools, hospitals and meeting places.

17 adjustable fan settings allow you to set the fan speed for silent operation. If you are looking for an air cleaner with similar functions and have no budget limit, it can give you great results at around $600. If not in your budget, just look for other options.

No.5 Filterless UV Air Purifier


  • Uses AHPCO technology
  • Highly energy efficient
  • Whisper quiet operation
  • No filter and maintenance expense


  • Not effective in removing smoke odor
  • More devices may be required when higher contamination

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Like other filterless air purifiers, this device also removes air contaminants from the indoor air. But it uses different technology, AHPCO (Advanced Hydration Photo-Catalytic Oxidation), which is developed by NASA. It is a compact and powerful air purification device that reduces contaminants without making any noise.

It has on/off switch and no other complicated settings. This makes it easy and simple to operate. There is no filter change and no maintenance is required. It has an alarm which indicates the requirement of AHPCO cell replacement. The cell needs to be replaced after every two years. It maintains its optimal performance.

Filterless UV air purifier cleans the air in a room of up to 1,000 square feet. Despite its compact design, it is capable of removing contaminants in large bedroom, living area, office space, etc. It consumes very low energy than other given models. You can enjoy its benefits in less than $440.

What to consider when buying a filterless air purifier?

If you have decided to buy a filterless model, be sure to look for the given points when making a purchase. A small mistake can lead to the wrong choice. So, it is better to first make yourself prepared to choose the right device for your home.

Coverage Area

It is completely wastage of money if your filterless air purifier is unable to clean air in the desired area. So, it is very important to pick the one which is capable enough to cover the entire area of a room. Just keep in mind the square feet of the room and check it with the coverage area capability of the selected air cleaner.

If you have a 200 sq. ft. room, make sure to buy a purifier which can remove impurities in a room measuring at least 210 sq. ft. It should always be more.

Percentage of Impurities Removal

You are buying a purifier to remove airborne particles from your room. What if you are still experiencing unclean air in a room after spending money on it? Before making a purchase, make sure to look for the percentage of air contaminants it can remove. The best quality air purifier can eliminate at least 99% of airborne particles. Higher percentage means high quality, cleaner and fresher air you will inhale.

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It would be good to invest in such purifiers rather than only considering their unique features.

Noise level

These purifiers have no filters, so most of the filterless air cleaners work without making any noise. If you have put the device in a bedroom, obviously you want a calm environment to sleep. This is what these purifiers give to their users. But still many models at lowest price make little noise when in operation. It may bother you depending on the noise level.

Be sure that model you are investing in should have quiet operation. No matter where you place the device, it must be silent in cleaning the air.

Price Range

You can find a variety of air purifiers that work without any filter. No matter what price range you have, the plenty of options are available to meet the personal needs and budget. If you are more concerned about the healthy environment for your family and price is no range for you, you will be glad to have a huge list of air purifiers that fit you.

People with certain price range are advised to shortlist such purifiers with good reviews, features, and accessibility. Clear in your mind about your needs and budget, pick the one that values your money.


You must not ignore the warranty factor. Make sure that filter-free air purifier bought by you provides you a cover for a certain period of time. In that period, if anything happens to your purifier, it would be repaired or replaced free of cost. Normally, such purifiers come with one year warranty. More would be better for you.


Hopefully, this buying guide will help in making a right decision. After getting information about few filterless air purifiers, now you may be clear in your mind about what you need to buy for your home/office. The given factors to be considered will make you come closer to the right purchase. Our aim is to assist you in buying a device that worth your money.

Obviously, you always look for great devices to keep your family healthy and happy. In terms of affordability and overall benefits, you must pick Airfree P1000 Filterless Air Purifier as the best option from the list. When you look for an air purifier for a larger area, RXAIR Platinum UVC1001P would work best for you. You can think of it if you have no budget limit. Otherwise, Filterless UV Air Purifier would be the best alternative.

All are designed to cover specific room area. No matter what you buy, but in the end, it must give healthier, fresher and cleaner environment in a room than ever before.

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