This smart H13 HEPA air purifier helps remove pet dander, pollen, smoke and harmful particles from the air. The dual-channel technology and 360-degree air outlet, as well as the tightly designed prefilters, improve the filtration effect, effectively filtering any particles larger than 0.3 microns. Plus, this device filters the air up to five times per hour in rooms up to 215 square feet. It’s quiet, too, with a sleep mode that runs at 22 decibels, allowing you to rest without interruption.

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Improve your indoor air quality at home or in the office with this tower that can clean the air in rooms up to 167 square feet. Dust, pet dander and other common allergens will be reduced with the HEPA filter. It also features UV-C light to kill germs and reduce volatile organic compounds in the air.

This air purifier features UV-C technology and powerful filtration to reduce and capture bacteria, virus, mold, pollen, pet dander and fungus particles. It also has a timer, an optional night light and touch controls to make adjusting your preferred settings easy. This model is best for smaller spaces, like a bedroom or home office, as it only covers about 170 square feet.

Another CNET favorite, this true HEPA air purifier features a four-stage filtration system that includes deodorization and ion filtration technology that removes pet dander, dust and other allergen particles for better air quality in your home or office. It also features a timer and will notify you when you need to exchange the filter. This air purifier is a great option for midsize rooms.

This is a larger version of the TotalClean mentioned above, but at less than $200, this air purifier covers air cleaning and filtration for up to 343 square feet. That makes this option an excellent choice for large rooms. It features 360-degree true HEPA filtration and a UV-C light that can kill up to 99.9% of bacteria and viruses. It also has five speed settings and night-light and aromatherapy options.

The Hathaspace Smart Air Purifier has an H11 true HEPA air filter and cleans the air quietly, removing 99.9% of pollen, dust, smoke, mold, pet dander and more from up to 700 square feet. It even extracts odor from the air. Because of its thinner profile, it doesn’t take up much room compared to some of the competition. And with Auto mode activated, your air purifier’s smart air quality sensor detects pollutants in the air and adjusts the fan speed in real-time.

One of our other picks for best air purifiers for this year, the Blueair Blue Pure 211 Plus is an ideal choice if you’re looking to clean the air in a large room. It runs quietly, as low as 23 decibels on the lowest speed so that it doesn’t disrupt your sleep or any other activity. This air purifier weighs 13 pounds and has a simple interface that’s easy to use. It also features a true HEPA filter certified to clean air in spaces up to 550 square feet. It also features activated carbon in the combination filter so, in addition to removing particles like pollen, dust and viruses from the air, your purifier will also remove odor and gas.

The Shark HE601 Air Purifier 6 is a true HEPA filtration device that removes 99.98% of particles from the air. It will remove viruses, dust, allergens, smoke and more, at sizes down to 0.1 microns, from your environment. It’s quiet, with six fans for clean air distribution, and with what Shark calls Advanced Odor Lock, your air should smell noticeably fresher. Covering up to 1,200 square feet, it can filter some smaller homes and office spaces in their entirety.

This device purifies up to 1,358 square feet, making it a great option for large spaces like living rooms, entertainment spaces, studio spaces and much more. The TurboPure technology circulates clean air at up to 6 feet per second. It captures 99.97% of airborne particles including dust, pet dander, smoke, odor and more. It also has a built-in sensor that monitors the air, and an auto mode, which will adapt its cleaning to the surrounding conditions. There are six modes to choose from, including a sleep mode with a 20-decibel output.

If you’re looking for an air purifier with true HEPA filtration technology powerful enough to cover your entire house, this is our favorite pick. The price tag is hefty, yes, but if you are going to have to buy multiple air filters for different rooms, this one-stop machine may be worth the price, especially with the current discount. This air purifier has multiple fan speed settings, smart settings that adjust fan speed according to air quality, timers and will cover up to 1,560 square feet of living space.

Equipped with an H13 premium HEPA filter, this Veva air purifier removes dust, pollen, bacteria and other allergens and irritants down to 0.3 microns in size, as well as helps eliminate odors. It’s designed to provide coverage for spaces of up to 600 square feet, and the washable pre-filter helps keep it running smoothly for longer. It’s a great pick for households with pets, smokers or lots of cooking.