Our Experts Say These Are the Best Air Purifiers to Snag on Sale at Amazon
Shop top-tested picks from Windmill, Blueair, and more just in time for allergy season.
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For some, spring doesn’t just mean longer days and blooming flowers outside—it also signals the beginning of allergy season. Now is a smart time to invest in an air purifier for your home, since several of our expert-backed picks are already on sale ahead of Amazon’s Big Spring Sale. Whether you’re looking for a stylish model that blends into your living room, an option that filters specific irritants, or you need a whisper-quiet design, these picks below have been tested by our pros—and you don’t even have to pay full price.
Shop More Early Deals From Amazon’s Big Spring Sale
Our experts in the Home Improvement & Outdoor Lab at the Good Housekeeping Institute have tested more than 50 air purifiers over the past five years. We’ve identified top performers that effectively capture common allergens like pollen, pet dander, and dust—plus picks that help reduce odors and smoke. Our picks suit a range of spaces and lifestyles, whether you live in a small apartment, cook often, or have a busy household with kids and pets.
Ahead, shop early deals on top-tested air purifiers from brands like Levoit, Windmill and Blueair—all now up to 30% off. (You’ll also find select filter replacements on sale, so it’s a good time to stock up).
Best Deal
Pros
- Fast, effective air cleaning
- Quiet operation
- Smart controls
Cons
- Not designed for large spaces
Why we like it: Our testers, editors, and experts ranked Blueair’s 311i+ Max as the overall best air purifier for two years running, and it’s one of our favorites for small to medium sized spaces. "It was exceptionally fast at clearing the air in our test chamber, plus it was among the quietest models, even on its higher fan speeds," said GH Institute Data Engineer Nikolas Greenwald.
What you should know: This air purifier is designed to capture everything from dander and pet hair to cooking fumes, dust mites, and pollen, thanks to its washable fabric pre-filter and its true HEPA filter. This model is Wi-Fi and app-enabled, so you can monitor your home’s air quality and program it according to your schedule.
Filter replacement: Blue Pure 311i+ Max Genuine Replacement Filter- currently 14% off.
| Dimensions | 23.5" x 14.5" x 14.5" |
| Coverage area | 456 sq. ft (recommended) |
| Filter type | Pre-filter and true HEPA |
| CADR | Smoke/pollen/dust: 300 |
| Noise level | 23-50 db |
Pros
- Sleek design
- Great at filtering out pollen
- Easy-to-use app allows for remote monitoring and control
Cons
- Power light is a bit bright for bedrooms
Why we like it: Instead of buying an appliance that’s an eyesore, Windmill’s air purifiers are actually aesthetically pleasing—and right now its bamboo paneling option is $100 off. Besides its sleek design, it has a multi-layered filtration system that impressed our expert testers: Our pros noted that the devices CADR of 343 for pollen is among the best, making this pick especially great for those with seasonal allergies.
What you should know: The Windmill air purifier earned a spot as the most well-designed air purifier out of all the ones we’ve tested. We also like that it’s app-enabled, so you can check on the indoor air quality in your home and control its settings remotely.
Filter replacement: 3-in-1 HEPA Filter Max
| Dimensions | 12" x 19.7" x 21.4" |
| Coverage area | 442 sq. ft. |
| Filter type | Pre-filter, carbon, and True HEPA |
| CADR | Smoke (286), Dust (284), Pollen (343), PM2.5 (260) |
| Noise level | 18-47 dB |
Pros
- Onboard sensor provides realtime feedback about air quality
- Quiet operation
- Low-cost replacement filters
Cons
- Big, boxy design takes up a lot of space
Why we like it: Our Lab experts tested out the 1,700 sq. ft. version of this air purifier, and the larger 2,400 sq. ft. version is on sale right now—great for larger spaces. When we put it to the test, the Honeywell model earned particularly high marks with consumer testers with small children, where effective air cleaning and quiet operation are essential. Plus, it has a color-coded Air Quality Indicator, so you can easily monitor the air quality in your home. “I couldn't believe how well it was able to detect irritants in the air,” said one tester.
What you should know: It can capture up to 99.97% of airborne allergens and particles like dust, pollen, pet dander, and smoke. Plus, the filter replacements are relatively low cost compared to the other models we like. If you have particular lifestyle needs, you can buy additional specialty filters designed to target smoke, pet allergens, and VOCs.
Filter replacement: HEPA Air Purifier Filter Replacement Kit - currently 29% off
| Dimensions | 10.8" x 19.1" x 22.3" |
| Coverage area | 2400 sq. ft. |
| Filter type | Pre-filter and true HEPA |
| CADR | Not listed |
| Noise level | 60 db |
Pros
- Solid air cleaning
- Slim, sleek design that'd be easy to conceal
- Quiet
Cons
- Not suited for large spaces
Why we like it: Our experts appreciate Levoit’s air purifier for its performance and value. While our Lab tested out a similar 400S-P model, the 200S-P model is a smaller version that’s currently on sale right now, making it ideal for bedrooms, apartments, and other small spaces. Its activated carbon filter is designed to capture large particles while absorbing odors, and its main filter removes 99.97% of dust, pollen, dander, and more particles. 0.1 to 0.3 microns in size.
What you should know: This air purifier is also Wi-Fi and app-enabled and compatible with Google Assistant and Alexa, so you can monitor real-time air quality, view filter life, and set schedules.
Filter replacement: Core 200S-P Replacement Filter—currently 17% off.
| Dimensions | 8.1" x 8.1" x 12.6" |
| Coverage area | 140 sq. ft. |
| Filter type | Fabric pre-filter, true HEPA, and carbon activated |
| CADR | Smoke (90), Dust (101), Pollen (119) |
| Noise level | 27 dB |
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