Levoit Core 400S vs Winix 5500-2 (2026 Head-to-Head)
The Winix 5500-2 is the Costco favourite - True HEPA, PlasmaWave ionizer and washable carbon filter. The Levoit Core 400S is its closest direct competitor on Amazon. Here is the full side-by-side.
Levoit Core 400S wins on smart features and coverage; Winix 5500-2 wins on filter economics
Buy the Levoit Core 400S if you want PM2.5 readouts, an app and slightly higher CADR. Buy the Winix 5500-2 if you want the cheapest filter replacements in this class and don't care about WiFi.
Levoit Core 400S wins on
- Higher smoke CADR (260 vs 232 CFM)
- Genuinely quieter sleep mode
- Smart features and Alexa support
Winix 5500-2 wins on
- Washable carbon filter and pre-filter - replacements just $30-40/year
- Optional PlasmaWave ionizer (toggle off if you prefer mechanical-only)
- Slightly cheaper on average
Full side-by-side specs
| Spec | Levoit Core 400S | Winix 5500-2 |
|---|---|---|
| Coverage (1 ACH) | 1,733 sq ft | 1,740 sq ft |
| CADR (smoke) | 260 CFM | 232 CFM |
| Noise (sleep) | 24 dB | 27.8 dB |
| Auto mode | Yes (PM2.5 laser) | Yes (smart sensor) |
| Smart / WiFi | Yes | No |
| Ionizer (toggle) | No | Yes (PlasmaWave) |
| Pre-filter | Built-in | Washable |
| Annual filter cost | ~$60 | ~$40 |
| Typical street price | $179-219 | $159-199 |
Who should buy the Levoit Core 400S?
Open-plan living rooms, anyone wanting real-time AQI and app/voice control. Read our Core 400S review.
Who should buy the Winix 5500-2?
Cost-conscious buyers who want the cheapest True HEPA in this class, especially in Costco bundles.