Winix A231 Air Purifier for Bedroom: True HEPA filter captures 99.97% of airborne particles
Ever dreamed of turning your bedroom into a breath of fresh air? The WINIX A231 Air Purifier is here to make that dream a reality. It's not just any purifier—it's a powerhouse with a 4-stage air cleaning system. At its heart? A True HEPA filter that snags 99.97% of those pesky airborne particles (yes, even the tiny 0.3-micron ones), making it a godsend for allergy and asthma sufferers. And let's not forget the PlasmaWave Technology teaming up with a carbon filter to kick odors and VOCs (from your pet's 'accidents', last night's smoke session, or that burnt toast incident) to the curb.
But here's where it gets smart—like, 'I-can-adjust-myself' smart. Its built-in air quality sensor is always on the lookout for pollutants, tweaking the fan speed on the fly to keep your air fresh without sounding like a jet engine or guzzling power. Heading to bed? It slips into Sleep Mode, turning down the noise and lights (and your energy bill) while you snooze. Plus, it'll nudge you when it's time for a filter change—no guesswork needed.
Covering rooms up to 1110 square feet, this bad boy isn't just talk. It's got the badges to prove it: AHAM Certified, Energy Star Certified, and more. And with its sleek white and charcoal gray outfit, it'll look good doing its job, blending into your decor like it was always meant to be there. Style and substance? Check and check.
Features
- PlasmaWave Technology reduces airborne pollutants
- Auto Mode adjusts fan speeds for efficient cleaning
- Smart Sensor monitors air quality in real-time
- Sleep mode for quiet, energy-efficient operation
- True HEPA filter captures 99.97% of airborne particles
General specs
- Brand: Winix
- Model: A231
- Seller: Amazon
- ID: B08HW5SBQ6
- Product Dimensions: 9.5"D x 9.5"W x 14.6"H
- Floor Area: 230 Square Feet
- Specification Met: AHAM Certified, Energy Star Certified, ETL Certified, CARB Certified
- Noise Level: 20 dB
- Particle Retention Size: 0.03 Micron
- Controller Type: Touch Control
- Item Weight: 7.1 pounds
- Country of Origin: Korea, Republic of
- Care Instructions: Hand Wash
- Assembly Required: No
- Number of Pieces: 1
- Warranty Description: 2 year manufacturer
- Batteries Required: No
- Included Components: True HEPA Filter
- First listed by seller: 5/11/25
If you are interested in more details, you can find full information on the seller's page.
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| Brand | Winix | Winix | CUCKOO | AROEVE | Afloia | VNIUP |
| Model | A231 | A230 | CAC-I0510FW Air Purifier 3-in-1 | MK01 | KILO | ZQA-4000C |
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| Price | $118.18 | $102.44 | $49.00 | $37.99 | $69.99 | $39.97 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 |
| Product Dimensions | 9.5"D x 9.5"W x 14.6"H | 7.78 x 7.78 x 15.3 inches; 4.2 Pounds | 6.1 x 6.1 x 9.7 inches | 8 x 8 x 15 inches | 6.69 x 6.69 x 11.06 inches | |
| Noise Level | 20 dB | Nearly silent on slowest speed | 22-55dB | 24dB in Sleep Mode | ||
| Item Weight | 7.1 pounds | 3 Pounds | 2.42 Pounds | |||
| Country of Origin | Korea, Republic of | China | China | China | ||
| Coverage Area | Up to 1110 sq ft in 1 hour | Up to 215 sq.ft | Up to 800 ft² | |||
| Date First Available | May 21, 2020 | December 1, 2020 | October 7, 2024 | |||
