For many homeowners, the best air purifier is one that comes with a filter. People perceive filters like activated carbon and True HEPA filters to be superior. That is because they can purify an area and eliminate airborne particles as small as 0.3 microns with 99% efficiency. However, there is also a small niche of air purifiers that do not have filters. The best filterless air purifiers boast of higher energy efficiency and produce less noise during operation.
Furthermore, when you have the best filterless air purifier, you will not have to worry about purchasing new filters every three or six months. That will guarantee you lower long-term costs of owning the unit.
Even though these devices do not have filters, they are useful in destroying airborne particles and germs. Some can reduce indoor ozone and neutralize odors in your house.
Things to consider before buying a filterless air purifier
Before buying a filterless air purifier, you should consider the following.
- Room Coverage: Ideally, you should buy a filterless air purifier that can cover the size of your room. Look for one that covers at least 300 square feet.
- Speed Settings: It should have an adjustable operation speed of up to three options (low, medium, high)
- Thermodynamic TSS Technology: The technology helps to incarcerate 99.9% of microbiological particles from the air
Best filterless air purifiers in 2021 – detailed reviews
If the benefits of a filterless air purifier appeal to you, here are some of the best you should consider.
1. Air Oasis 1000G3 – Best Overall
The Air Oasis 1000G3 is the best filterless air cleaner you can find. This purifier comes with an ionizer that gets rid of impurities from the air. It has a quieter fan and an enhanced catalyst that helps to eliminate allergies, dust, pet dander, and smoke particles from indoor air with high efficiency.
Using its proprietary Bi-Polar technology in combination with UV and AHPCO ionization, the device will clear open-air spaces up to 300 square feet.
2. Airfree P1000 – Best for Medium-Sized Rooms
The Airfree P1000 is a CADR-certified filter-free air purifier for homes and offices. It features an exclusive patented thermodynamic TSS technology that applies heat to destroy microorganisms.
You can use it at home to get rid of allergens, mold, bacteria, dust mites, pet dander, pollens, tobacco, and ozone. Although it eliminates ozone, it does not produce the inorganic molecule. The machine features an adjustable night light and can cover rooms of up to 450 square feet.
3. Airfree P2000 – Best for Large Rooms
The Airfree P2000 is the best no filter air purifier you should consider for your home. It is a CADR-certified filterless air purifier that covers rooms of up to 550 square feet.
The unit uses patented thermodynamic TSS technology to destroy microorganisms from indoor air. You can use it at home to eliminate organic pollutants from indoor air.
4. Airfree Tulip
The Airfree Tulip is a small and portable air cleaner without a filter. It has a capacity of 450 square feet, meaning it is the best for small to large rooms.
The unit is useful for destroying dust mites, pollens, mold, pet dander, viruses, organic odors, and organic allergens from indoor air. Also, it can help to reduce harmful ozone levels from the surroundings. It features an adjustable night light and patented thermodynamic TSS technology.
5. Airfree Iris 3000
The Airfree Iris 3000 is a small and portable air purifier for large rooms. It covers an area of up to 650 square feet. That makes it useful for homes, offices, and other commercial spaces like restaurant kitchens. Using its patented thermodynamic TSS technology, the unit heats and destroys microorganisms with high efficiency.
You can use it at home to destroy mold, bacteria, dust mites, organic odors, pollens, viruses, pet dander, and organic allergens. Also, the machine can reduce the harmful levels of ozone from indoor air. The air purifier comes with an adjustable night light.
The price of the Airfree Iris 3000 filterless air purifier makes it one of the most affordable that you can buy.
Time to go filterless
The best filterless air purifier is one that produces no noise when operating. You should also consider a unit that can cover rooms that have a size of at least 300 square feet. Since these devices use thermodynamics to destroy organic allergies and compounds, find one that does not heat up and affect room temperatures.
It also helps to purchase a machine that has an adjustable night light, consumes less energy, and can incarcerate 99.9% of microbiological particles from indoor air.