Levoit Core 400S vs Winix 5500-2 — Which Should You Buy?
Side-by-side comparison of Levoit Core 400S and Winix 5500-2. We compare specs, performance, and value to help you decide.
Feature Comparison
| Feature | Levoit Core 400S | Winix 5500-2 |
|---|---|---|
| Room Coverage | Up to 403 sq ft | Up to 360 sq ft |
| CADR | 260 (smoke), 266 (dust), 273 (pollen) | 232 (smoke), 243 (dust), 246 (pollen) |
| Filter Type | True HEPA + activated carbon | True HEPA + carbon + PlasmaWave |
| Filter Life | 12 months | 12 months |
| Annual Filter Cost | ~$45 | ~$40 |
| Noise Level | 24–50 dB | 27–56 dB |
| Smart Features | App, voice control, scheduling | Auto mode |
| Air Quality Sensor | Yes (PM2.5) | Yes |
| Weight | 10.8 lbs | 14.3 lbs |
| Energy Star | Yes | Yes |
Levoit Core 400S
Pros
- ✓Smart app control via VeSync
- ✓Real-time air quality display
- ✓Quiet sleep mode
- ✓Good value for smart features
- ✓Compact tower design
- ✓Easy filter replacement
- ✓2-year warranty
Cons
- ✗CADR lower than some competitors
- ✗Plastic build feels less premium
- ✗App can be finicky
Winix 5500-2
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
Our Verdict
Levoit Core 400S
Best smart purifier under $200. Great for tech-savvy users who want app control and air quality monitoring without breaking the bank.
Price Drop Alert — View Deal NowWinix 5500-2
Best budget pick. Strong CADR, auto mode, and low filter costs make it hard to beat for under $200.
Special Deal Available — See OfferOur Methodology
We test each air purifier in a sealed 250 sq ft room with a particle counter, measuring PM2.5 reduction over 1 hour. We measure noise at low/medium/high with a calibrated SPL meter, calculate annual filter costs, and evaluate smart features and build quality. No manufacturer has editorial influence.
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