Winix 5500-2 Air Purifier vs Levoit Core 300S Smart Air Purifier
We compare the Winix 5500-2 Air Purifier and Levoit Core 300S Smart Air Purifier head-to-head on performance, features, value, and more. Here's which one wins.
Winix 5500-2 Air Purifier
Scored 9.3/10 in our testing
Winix 5500-2 Air Purifier
Best mid-range air purifier — True HEPA with PlasmaWave technology for odors in rooms up to 360 sq ft
Levoit Core 300S Smart Air Purifier
Best compact smart air purifier for small rooms — Wi-Fi with VeSync app for bedrooms up to 219 sq ft
Score Breakdown
| Winix 5500-2 Air Purifier | Category | Levoit Core 300S Smart Air Purifier |
|---|---|---|
| 9.3/10 ✓ | Performance | 8.5/10 |
| 8.8/10 | Features | ✓ 9.3/10 |
| 9.3/10 | Ease of Use | ✓ 9.5/10 |
| 9.3/10 | Value | ✓ 9.5/10 |
| 9.3/10 ✓ | Overall | 9/10 |
Specs Comparison
| Winix 5500-2 Air Purifier | Spec | Levoit Core 300S Smart Air Purifier |
|---|---|---|
| Up to 360 sq ft (2 ACH) | Coverage | Up to 219 sq ft (5 ACH) |
| 243 CFM (smoke) | CADR | 141 CFM |
| True HEPA + PlasmaWave odor elimination | Technology | Wi-Fi, VeSync app, Alexa/Google |
| Washable pre-filter + carbon + True HEPA | Filters | 24 dB (sleep mode) |
| 27.8 dB (sleep mode) | Noise | Compact cylindrical — 8.7 inches tall |
Winix 5500-2 Air Purifier
Pros
- + PlasmaWave technology adds odor elimination beyond carbon filtration
- + Washable pre-filter reduces annual filter cost
- + Auto mode with air quality sensor
- + Trusted brand with consistent CADR performance
Cons
- − No Wi-Fi in base model — no app control
- − Coverage same as Coway but at higher price
- − PlasmaWave can produce trace ozone — some users prefer to disable it
Levoit Core 300S Smart Air Purifier
Pros
- + Wi-Fi with app control — schedule and monitor remotely
- + Compact nightstand size
- + 24 dB sleep mode — among the quietest tested
- + Alexa and Google Home voice control
Cons
- − Limited to 219 sq ft — not for living rooms
- − Lowest CADR in this guide
- − Replacement filters from Levoit only — less competition on filter prices
Our Verdict
Based on our scoring, the Winix 5500-2 Air Purifier comes out on top with an overall score of 9.3/10. The Winix 5500-2 adds PlasmaWave technology to True HEPA and carbon filtration — creating ionized hydrogen peroxide to break down odor molecules that carbon filters miss. This makes it the best choice for households with pets, cooking odors, or smoke concerns. The washable pre-filter reduces consumable costs. Sleep mode runs at 27.8 dB. Auto mode adjusts fan speed based on a built-in air quality sensor. Wi-Fi connectivity on this model is limited but the physical controls are intuitive.
Buy the Winix 5500-2 Air Purifier on AmazonRead the full Best Air Purifiers of 2026: Tested for CADR, Noise, and Real-World Performance guide for complete reviews of all 9 products.