Compact 4-Stage Air Purifier
The Winix A231 is a compact and efficient air purifier designed for smaller spaces up to 230 sq. ft. It boasts higher air cleaning performance than comparable models, clearing test rooms quickly with its H13 True HEPA filter, activated carbon, and pre-filter. Features like auto-mode and an optional PlasmaWave ionizer enhance its functionality. Its user-friendly design includes a color-coded air quality indicator and simple controls. With low long-term costs and a 2-year warranty, it offers excellent value for maintaining cleaner indoor air.
$81.22
Owner Satisfaction
4.4
/ 5
Category Rank
265
/ 725
#265 in Air Purifiers
Price vs Category Average
-71%
Below average
Clean air delivery rate (CADR)
1148451672.5154
/ Top speed PM CADR: cfm, Sub- dBA PM CADR: cfm, AHAM PM CADR: cfm
Who it's for
- Space-Saving Design
- Advanced PlasmaWave Tech
- True HEPA Performance
Who should skip it
- Limited Room Coverage
- Ongoing Maintenance Costs
- High-Speed Fan Noise
Key Specs
Clean air delivery rate (CADR)
Top speed PM1 CADR: 148 cfm, Sub-45 dBA PM1 CADR: 67 cfm, AHAM PM2.5 CADR: 154 cfm
Filter technology
Fine mesh pre-filter, True HEPA filter, activated carbon filter, PlasmaWave technology
Recommended room size
222 sq. ft. (5 air changes per hour)
Dimensions
9.5D x 9.5W x 14.6H inches
Weight
7.1 lbs
Noise level in decibels from 3 ft. away
Speed 1: 35.2 dB, Speed 2: 48.3 dB, Speed 3: 57.9 dB
Electricity consumption in watts
Speed 1: 35.4 watts, Speed 2: 37.7 watts, Speed 3: 45.6 watts
Filter lifespan
12 months
Features
- Clears test room of PM1 particles 5 minutes faster than Levoit Core 300.
- Compact and lightweight design for easy placement.
- Auto-mode adjusts fan speed based on detected air quality.
- Optional PlasmaWave ionizer technology for enhanced particle removal.
- Affordable genuine filter replacements, bringing annual costs down.
- Secure filter base design prevents accidental detachment during cleaning.
- H13 True HEPA filter captures 99.99% of particles as small as 0.3 microns.
What customers say
Customers appreciate the Winix Compact 4 Stage Air Purifier for its impressive build quality and intuitive design. Many users highlight how easily it fits into smaller living spaces while maintaining a quiet presence. The simple interface allows for quick adjustments without a steep learning curve. Owners frequently mention the reliable performance in reducing household odors and dust. This unit offers a seamless experience for those seeking a straightforward solution to improve indoor air quality. Its sturdy construction and user friendly features make it a favorite for bedrooms and offices alike.
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