Winix 5500-2 Review

Budget-friendly purifier with PlasmaWave and auto mode for medium rooms.

Updated 2026-03-09 Independently reviewed
Winix 5500-2
8.4/10
$159
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Overview

The Winix 5500-2 delivers strong performance at a budget-friendly price with its True HEPA filter and PlasmaWave technology. It covers rooms up to 360 sq ft and includes a washable pre-filter to extend filter life. Auto mode adjusts fan speed based on detected pollutants.

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Pros & Cons

Pros

  • ✓Excellent value for performance
  • ✓PlasmaWave for additional odor reduction
  • ✓Auto mode with pollutant sensing
  • ✓Washable pre-filter
  • ✓Carbon filter for odors
  • ✓Sleep mode with display off
  • ✓Energy Star certified

Cons

  • ✗PlasmaWave produces trace ozone (some prefer off)
  • ✗Louder at high speeds
  • ✗Plastic build

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Specifications

Room Coverage Up to 360 sq ft
CADR 232 (smoke), 243 (dust), 246 (pollen)
Filter Type True HEPA + carbon + PlasmaWave
Filter Life 12 months
Annual Filter Cost ~$40
Noise Level 27–56 dB
Smart Features Auto mode
Air Quality Sensor Yes
Weight 14.3 lbs
Energy Star Yes

Our Verdict

Best budget pick. Strong CADR, auto mode, and low filter costs make it hard to beat for under $200.

8.4 / 10
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