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Are you suffering from seasonal allergies? If you have allergies, asthma or pets that live indoors, air purifiers can help reduce allergens and remove impurities from your home or office to help you breathe better. You can eliminate irritants such as pollen, odors, smoke, dust, mold, pet dander, germs and more, depending which model you buy and which kind of filtration system it uses. 

When buying an air purifier from your home or workplace, there are many aspects to consider, including size, price and features, but another important aspect to think about before you buy one is the size of the space you want to filter. It breaks down pretty simply, though: Buy an air purifier that is too small for your room, and you won't reap the benefits. Keep that in mind as you shop. 

We've rounded up some of the best air purifier deals currently available and have tried to include discounted options for every environment, from the smallest rooms to purifiers that can filter air for the entire house. We will update this list regularly as deals expire and new offers drop at various retailers, so keep checking back.

Read moreBest Air Purifiers of 2022

Partu

The Partu air purifier is an affordable option with true HEPA filter technology. Outside of the low price, its size makes it ultraportable, and therefore the Partu is an ideal option for travel. It can also be used on a desk while you work to great effect. While on low speed it runs at a very quiet 28 dB, though it has three different speed levels to choose from and is able to be effective in an area up to 107 square feet.

GermGuardian

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.

HoMedics

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. 

Honeywell

Honeywell's HPA300 true HEPA air purifier is a favorite of ours, and while it is a little more expensive than other HEPA models out there, it covers a larger space, too. This is a great purifier for midsize rooms and is currently marked down on Amazon. The Honeywell has timers and will let you know when it is time to replace the filter. It's quiet, too, which is a big plus.

Coway

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. 

HoMedics

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 optional night-light and aromatherapy options available to use. 

Hathaspace

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.

Blueair

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 32 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 540 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.

Shark

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 Advanced Odor Lock, your air smell noticeably fresher. Covering up to 1,200 square feet, it can filter some smaller homes and office spaces in their entirety.

David Priest/CNET

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.

Right now Amazon has this unit marked down to $484, but be sure to clip the on-page coupon in order to unlock an extra $60 in savings, bringing the price on this air purifier to just $424.

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