Winix A231 Air Purifier
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- †AHAM Verifide® at 230 sq ft. : Also cleans rooms up to 1,110 sq ft in 1 hour (555 sq ft in 30 minutes, 370 sq ft in 20 minutes, 278 sq ft in 15 minutes)
- Fine Mesh Pre-Filter: The first line of defense against the largest airborne particles found indoors
- Winix True HEPA Filter: Captures 99.97%* of airborne allergens including pollen, dust, smoke, and pet dander as small as 0.3 microns
- Activated Carbon Filter: Reduces VOCs and odors from cooking, pets, and smoke. It also helps prolong the True HEPA Filter lifespan.
- PlasmaWave® Air Cleaning Technology
- Smart Sensor + Auto Mode: Built-in air quality sensor measures and adjusts fan speed in real-time
- Air Quality Indicator: Visual indicator displays real-time air quality in the room with LED lights
- Energy Efficient: Energy Star Certified for low energy consumption, resulting in reduced operating costs
- Filter Replacement Indicator: When the filters need to be replaced, the Filter Replacement Indicator LED will illuminate
Number of fan speeds
230 Sq. Ft.
Allergies, General Air Quality
CADR smoke score
CADR pollen score
CADR dust score
Sleep Mode, Auto Mode, Filter Change Indicator
Clean Air Changes per Hour
Country of origin
Hepa filter (filter life)
99.97% True HEPA (12M)
Minimum noise level
Product height (in)
Product width (in)
Manual Sleep Mode
Stages of filtration
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