WINIX AT40 Air Purifier
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- 0.00
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1 vote in Best overall.
About this product
Full listing name
WINIX AT40 Air Purifier with 2 Years of Filters for Extra Large Room Up to 1968 Ft² in 1 Hr With Air Quality Monitor, True HEPA, Carbon Filter and Auto Mode, Captures Dander, Smoke, Dust
The Winix AT40 air purifier features a 4-stage 360° True HEPA filtration system capturing 99.99% of airborne particles as small as 0.01 microns. It includes two filter sets, is AHAM verified for rooms up to 410 sq ft, and covers up to 1,968 sq ft in one hour. The unit offers an air quality monitor, Auto Mode, Sleep mode, and PlasmaWave technology. At 10.45 x 10.45 x 19 inches and 7 pounds, it pairs with the Winix Smart App.
Price & purchase
MSRP $209.99
- $149.99View at Amazon
$209.99Save 29% Amazon
4.7 from 11,851 retailer reviews
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0 distinct supporters 0 supported dimensions 0 established wins Early community signal
| Comparison | Standing | Votes | Support | Evidence | Score contribution |
|---|---|---|---|---|---|
| Large-room air purifiers | Unranked | 0 | 0.0% | Early signal · 1 voters | 0.00 |
| Best overall | Unranked | 0 | 0.0% | Early signal · 1 voters | 0.00 |
| Best value | Unranked | 0 | 0.0% | Early signal · 1 voters | 0.00 |
| Easiest to use | Unranked | 0 | 0.0% | Early signal · 0 voters | 0.00 |
| Quietest | Unranked | 0 | 0.0% | Early signal · 0 voters | 0.00 |
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Product details
Description, highlights, and specifications from the retailer feed.
The Winix AT40 features a 360° all-in-one 4-stage air purification system, this unit removes 99.99% of airborne particles as small as 0.01 microns in size. Winix’s PlasmaWave® Technology may help to reduce the presence of airborne pollutants, particles , and impurities. The unit’s built-in Smart Sensor detect and monitor the quality of air in your environment and provides a visual representation of your current air quality. When in Auto Mode, the unit automatically adjusts fan speeds to ensure efficient and cost-effective cleaning. Activate Sleep mode for quiet, energy-efficient operation. The WiFi feature allows you to connect your air purifier to the Winix Smart App and monitor the air quality in your home, control your air purifier, and track filter life.
- 𝐔𝐩 𝐓𝐨 𝟮 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐅𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧: Includes 2 360° All-in-One True HEPA Filter Sets
- 𝐀𝐇𝐀𝐌 𝐕𝐞𝐫𝐢𝐟𝐢𝐝𝐞 𝐚𝐭 𝟒𝟏𝟎 𝐬𝐪 𝐟𝐭.: Also cleans rooms up to 1,968 sq ft in 1 hour (984 sq ft in 30 minutes, 656 sq ft in 20 minutes, 492 sq ft in 15 minutes)
- 𝐓𝐡𝐞 𝐒𝐦𝐚𝐫𝐭𝐞𝐫 𝐀𝐢𝐫 𝐏𝐮𝐫𝐢𝐟𝐢𝐞𝐫: Control and monitor your unit anytime from anywhere by instantly accessing your unit with the Winix Smart App through the convenient WiFi feature
- 𝐖𝐢𝐧𝐢𝐱 𝐓𝐫𝐮𝐞 𝐇𝐄𝐏𝐀: Captures 99.99%* of airborne particles including pollen, dust, smoke, and pet dander, as small as 0.01 microns
- Manufacturer
- Winix
- Item Model Number
- 1022-0238-00
- Product Dimensions
- 10.45 x 10.45 x 19 inches; 7 pounds
- Date First Available
- June 4, 2026
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