Levoit Core 300S vs Winix A230
Two of the bedroom & small-room air purifiers in our best bedroom & small-room air purifiers: quietest levoit, coway, blueair & winix comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.
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Best for: A compact 141 CFM Levoit at 23 W
Check price at AmazonBest for: A simple 360° purifier with no app
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | Levoit Core 300S | Winix A230 | Weight |
|---|---|---|---|
| Quietest settingThe lowest listed noise level, usually sleep mode. Under about 25 dB is near-silent in a bedroom. Shark and Honeywell don't list noise, so they score at the lowest published value in the category. | 22 dB | 25 dB | 30% |
| Smoke CADRSmoke CADR when listed (Levoit lists one headline CADR). About 100 CFM suits a 150 sq ft bedroom, and 160 CFM suits 240 sq ft. | 141 CFM | 147 CFM | 25% |
| Loudest settingTop-speed noise, for when you boost it after cooking or during pollen season. Left out when the maker lists only the minimum. | 50 dB | Not listed | 15% |
| CADR per wattComputed by us: smoke CADR divided by rated power. A bedroom unit often runs all night, every night. | 6.1 CFM/W | Not listed | 10% |
| Carbon or odor stage includedYes when the included filter has an activated-carbon or deodorization layer, per the maker's page. | No | Yes | 10% |
| Main filter lifeThe maker's 'up to' life for the main filter. Usage assumptions vary by brand. | Not listed | 12 months | 10% |
| CADR | 141 CFM / 240 m³/h | Not listed | info |
| Ideal room size | 219 ft² (4.8 ACH) / 1,051 ft² (1 ACH) | Not listed | info |
| Filter | 3-stage filtration | 4-stage: True HEPA + activated carbon | info |
| Noise | 22–50 dB | Not listed | info |
| Rated power | 23 W | Not listed | info |
| Weight | 5.95 lb | 6.75 lb | info |
| CADR (dust / pollen / smoke) | Not listed | 149 / 154 / 147 | info |
| AHAM room size | Not listed | 246 ft² | info |
| Filter life | Not listed | HEPA 12 months; carbon 12 months | info |
| Minimum noise | Not listed | 25 dB | info |
| Smart features | Not listed | None | info |
| AirPick score | 4.7/10 | 4.6/10 | 100% |
Where each one comes out ahead
Levoit Core 300S
Better published figure on: Quietest setting.
What we like
- 6.1 CFM per watt
- 5.95 lb
Watch out for
- Carbon stage not named on the page
Winix A230
Better published figure on: Smoke CADR, Carbon or odor stage included.
What we like
- Carbon rated 12 months
Watch out for
- No app or timer
- Power not listed
Verdict
Close on CADR (147 vs 141). Winix includes carbon rated 12 months; Levoit is quieter on low (22 vs 25 dB) and has an app.
- Levoit Core 300S: Levoit: Core 300S-P
- Winix A230: Winix: A230