Review · Winix
Winix 5500-2
A perennial best-seller with AHAM-verified CADR 243 for smoke, True HEPA, and PlasmaWave technology — covers 360 sq ft at a hard-to-beat price.
Check Price on AmazonThe verdict
The Winix 5500-2 has held its position as a top-value pick for years for good reason: AHAM-certified CADR that competes with units $50–80 more expensive, a real air quality sensor that actually works, and a genuine auto mode. If you don't need smart app control, this is hard to beat at under $140.
Full specifications
CADR · Smoke 243CFM AHAM
CADR · Dust 246CFM
CADR · Pollen 240CFM
Room coverage 360sq ft
HEPA rating True HEPA (99.97%)
Filter stages 4-stage
Noise · range 27–55dB
Noise · sleep 27dB
Max power 70W
Energy Star Certified
Filter life 12–12months
Annual filter cost
$49.99 — estimate
Dimensions · H × W × D 23.6″ × 15″ × 8.2″
Weight 15.4lbs
App control No
Voice control No
Warranty 2years
Price · MSRP $139.99
Pros & cons
Strengths
- AHAM-verified CADR 243 smoke — one of the highest in the $100–150 bracket
- PlasmaWave ionizer can be switched off — gives users control over technology they don't want
- Annual filter cost is effectively ~$50/yr with a single combined HEPA + carbon filter
- Auto mode with air quality sensor responds to pollutants per manufacturer documentation
- Slimmer profile than most at this CADR — easier to place against a wall
Caveats
- No app or Wi-Fi control — fully manual operation only
- At 15.4 lbs it's one of the heavier units in this segment
- Filter replacement ($50) is higher than competitors that split HEPA and carbon separately
Where to buy
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Check Price on AmazonPrice last checked 2026-04-01 · affiliate disclosure applies
Data sourced from AHAM Verifide, Amazon listing, Manufacturer site. CADR figures are AHAM Verifide certified. Last updated .