Levoit Core 300S vs Winix A231
Two small-room purifiers: one with an app, one with an ionizer and slightly more output.
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How this page was made: our picks are based on manufacturer specifications (product pages, manuals and spec sheets, all linked below) and aggregated owner reviews. We have not tested these products hands-on, and we do not publish invented test results, scores or star ratings. Read our methodology.
The Levoit Core 300S and Winix A231 are both sized for bedrooms, offices and dorms. This page is based on manufacturer-published specifications and manuals plus aggregated owner reviews; we did not test the products ourselves.
Short answer
Choose the Levoit for app control, a smaller footprint and lower rated power. Choose the Winix for a slightly higher room rating (246 vs 219 ft²) and no app.
Check Levoit Core 300S price (opens in a new tab)Check Winix A231 price (opens in a new tab)
Levoit Core 300S vs Winix A231: specs side by side
| Spec | Levoit Core 300S | Winix A231 |
|---|---|---|
| CADR | 141 CFM | 149 dust / 154 pollen / 147 smoke CFM |
| Rated room size (4.8 ACH) | 219 ft² | 246 ft² |
| Lowest noise | 22 dB | 25 dB |
| Rated power | 23W* | 55W |
| Ionizer | None | PlasmaWave, can be switched off |
| App | Yes | No |
| Dimensions | 8.7 × 8.7 × 14.2 in | 9.5 × 9.5 × 14.6 in |
| Weight | 5.95 lb* | 6.75 lb |
Pros and cons
Levoit Core 300S: pros
- App schedules
- Quieter low setting
- Lower rated power
Levoit Core 300S: cons
- Manual and product page disagree on power and weight
- Needs Wi-Fi for extras
Winix A231: pros
- Higher room rating
- No app needed
- Separate dust/pollen/smoke CADR
Winix A231: cons
- 55W rated power
- Ionizer stage, if you prefer none
Who should buy which
Close on output. Pick on app vs no app.
Choose the Levoit Core 300S if…
- You want schedules and remote control
- You want the smallest, quietest unit
Choose the Winix A231 if…
- You want no app
- Your room is closer to 250 ft²
How we compared
We compared manufacturer-published specifications. See how we research.
Frequently asked questions
Which is better for a dorm?
Both fit. The Winix needs no Wi-Fi; the Levoit is smaller and quieter on paper.
Did you test it?
No. This page uses manufacturer specifications and aggregated owner reviews. See how we research.
Sources
Specifications were checked against the manufacturer pages, manuals and spec sheets below in October 2026. Makers revise specs and sell regional variants, so confirm the exact model number before you buy. We do not list prices because they change daily; use the retailer link to see the current price.
Keep reading
Levoit Core 300S review
A small, app-connected purifier for bedrooms, offices and dorms.
Read the comparison ReviewAir PurifiersWinix A231 review
A compact, no-app purifier rated for slightly bigger rooms than its Levoit rival.
Read the comparison Best ofAir PurifiersBest air purifier for a dorm room
A typical dorm room is small, shared and short on floor space. You want a compact purifier sized for about 150–250 ft² that’s quiet enough to sleep next to.
Read the comparison