8.3
Tested Aug 22, 2026 by Team RankingRight
Winix 5500-2 (PlasmaWave) review 2026
A true carbon filter you can wash, 360 sq ft coverage, auto mode and frequent deep discounts — the Coway's closest rival
PriceFrom $249.99 · checked Sep 11, 2026
90% clear, high15 min
Noise on low27 dB
Ranked#2 in Best Air Purifiers for Wildfire Smoke
Is the Winix 5500-2 Worth It?
Best for smells and smoke under $250. The Winix matches the Coway on particles and beats it on smells thanks to real carbon. It is a touch louder and its filters cost more; on sale it is the better buy.
Winix 5500-2 Pros & Cons
Pros
- Granular carbon filter removed cooking smell in our test where thin filters did not
- Cleared to 90% in 15 minutes
- Regularly on sale well below $200
- Auto mode and sleep mode
Cons
- PlasmaWave ioniser — turn it off
- Louder on low than the Coway
- No app
Winix 5500-2 at a Glance
8.3
Editor Score
Particle removalMinutes to cut PM2.5 by 90% in our 400 sq ft room on high, and on the highest setting under 50 dB; AHAM CADR where published.
29/35NoiseMeasured dB at 1 m on low, medium and high; sleep-mode usability.
12/15Energy & filter costWatts on medium, replacement filter price and interval — five-year running cost.
16/20FeaturesAir-quality sensor and auto mode, app, filter indicator, carbon layer for odours and VOCs, build.
9/10ValuePrice per square foot of rated coverage, plus five-year running cost.
17/20Reader ratingNo reader ratings yet — not part of the score
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Own one? Rate it:
Rubric v1: Particle removal 35 · Noise 15 · Energy & filter cost 20 · Features 10 · Value 20. Score = Σ ÷ 10, locked Sep 11, 2026. How we rank.
Where to buy — prices checked Sep 11, 2026
Winix 5500-2 specifications
Rated coverage360 sq ft
CADR (smoke/dust/pollen)232 / 243 / 246
True HEPAYes
Carbon filterYes, washable granular carbon
Replacement filter60 USD
Filter life12 months
Power on medium30 W
Noise on low27 dB
Auto mode / appAuto mode with sensor (no app)
Why it scored 8.3
The Winix matches the Coway on particles and beats it on smells thanks to real carbon. It is a touch louder and its filters cost more; on sale it is the better buy.
Where it loses
Noise on low; ioniser.
Still the right pick for
Kitchens, pet homes and smoke.
Winix 5500-28.3 · $249.99
See Price