Winix 5500-2 True HEPA Air Purifier with PlasmaWave
Winix
Washable AOC carbon pre-filter meaningfully lowers long-term filter cost by extending HEPA life
- 232 smoke CADR covers ~350 sq ft
- Washable AOC carbon pre-filter
- True HEPA filtration
- PlasmaWave ionization (switch off)
- 4 fan speeds plus auto and sleep
Pros
- Washable AOC carbon pre-filter meaningfully lowers long-term filter cost by extending HEPA life
- 232 smoke CADR covers a genuinely mid-size room for well under 200 dollars
- Numeric auto-mode sensor gives visible feedback most budget competitors skip
- 30,000 ratings show consistent reliability over years of use
- One of the best filter-cost-to-CADR ratios in this price tier once the PlasmaWave is disabled
Cons
- PlasmaWave ionizer should be switched off, and the control to do so is not obvious in the menu
- Plastic housing feels less substantial than the Coway's
- Louder at top speed than the Coway or Levoit at comparable CADR
- Washing the AOC filter is an extra maintenance step that, if skipped, shortens HEPA life
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