Winix 5500-2 Air Purifier

The verdict

The 5500-2 is a four-stage purifier: a washable pre-filter, a washable odor-reducing carbon filter, a true HEPA filter capturing 99.97% of particles down to 0.3 microns, and Winix's PlasmaWave technology. It runs in auto mode with an air-quality sensor, includes a remote control, and carries AHAM Verifide clean-air delivery ratings of 232 for smoke, 243 for dust, and 246 for pollen.

Winix 5500-2 Air Purifier — about $159.99 at Amazon · ≈4.5★ from 28,813 ratings · a long-running large-room purifier with true HEPA filtration, a washable carbon filter, and a remote, for dust, pollen, pet dander, and smoke.

Specs

  • True HEPA filter: captures 99.97% of airborne particles down to 0.3 microns
  • Washable AOC carbon filter and washable pre-filter
  • PlasmaWave technology (can be switched off)
  • AHAM Verifide CADR: 232 smoke, 243 dust, 246 pollen
  • Auto mode with air-quality sensor; remote control included; Energy Star certified

Blind details

For a blind shopper, the washable filters and auto mode are the practical wins: the pre-filter and carbon filter rinse clean instead of needing frequent paid replacements, and auto mode means you set it once and let the sensor adjust the fan. Before ordering, listen for reviews about fan noise on high and about the indicator lights, which several owners call bright at night. Confirm the replacement filter model (115115) in the listing so you are not caught by a lookalike filter later.

Support: Reachable — Winix America publishes (877) 699-4649 on winixamerica.com.

Honest caveats: the $159.99 price is an Amazon sale figure against a $249.99 list price, and it has ranged from about $117 to $180. The ≈4.5★ rating is an October 31, 2026 aggregate across 28,813 reviews. There is no app or Wi-Fi control — this is a remote-and-buttons machine — and the PlasmaWave feature can be switched off if you prefer not to use it.

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Last reviewed: October 2026.