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Winix A231
Air Purifiers

A231

Winix

Released Jan 2023

Winix A231 air purifier with real-time sensor and 4-stage True HEPA for efficient cleaning in a compact design. The Winix A231 scores 82/100 based on 6 expert reviews.

Critic Score

826 reviews

Where to buy

amazon$82.71

Pros

  • Real-time air quality sensor(2)

Cons

  • No remote control(2)
  • Annual filter cost of $50(2)

6 Critic Reviews

93
AirpurifierfirstNov 2024

The Winix A231 is a small, portable air purifier with excellent particle removal performance, achieving 95% air quality improvement in tests, though it falls short in odor neutralization.

85
HousefreshDec 2025

The Winix A231 is an impressive small air purifier that does a good job considering its low cost, clearing our test room of PM1 particles five minutes quicker than the Levoit Core 300.

82
Airpurifierexpertise

The Winix A231 Tower H13 True HEPA 4-Stage Air Purifier is a reliable and efficient solution for achieving clean and healthy indoor air with its powerful filtration system and PlasmaWave technology.

78
BreathequalityJan 2023

The Winix A230 and Winix A231 are excellent value for money, particularly if you can make do with the Smart Sensor.

78
Ap51030kOct 2024

The smallest Winix air purifier, yet still powerful and reliable.

75
Consumerreports

The Winix A231 is a medium room air purifier with HEPA/Carbon/PlasmaWave filtration, 3 speeds, and auto mode, designed for 230 sq ft spaces.