A slim smart purifier for a bedroom, especially with pets. It cleans about as much air as the Core 300 but adds auto mode and Wi-Fi.
Amazon $119.99The Levoit Vital 100S is the better air purifier overall, rated 3.5 to 3.1. The Levoit Vital 100S leads on auto mode, quiet and efficiency. The Levoit Core 300 wins on value. The Levoit Core 300 costs $30 less ($89.99 vs $119.99).
A simple, proven purifier for a bedroom or small living room. Buy the Core 300S only if you want auto mode and app control.
Amazon $89.99Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Levoit Vital 100S for auto mode (particle (infrared) sensor and Wi-Fi app vs no air-quality sensor or app), quiet (52 dB at top speed (maker rating) vs 54.5 dB at top speed (maker rating)) and efficiency (3.6 cfm per watt vs 2.7 cfm per watt).
- Choose the Levoit Core 300 for value ($0.63 per cfm of smoke CADR vs $0.84 per cfm of smoke CADR).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small rooms air purifier; a clear win is highlighted. How we rank explains each one.
| Factor weight | Levoit Vital 100S | Levoit Core 300 |
|---|---|---|
| Overall rating | 3.5/5 | 3.1/5 |
| Value 25% | 77 $0.84 per cfm of smoke CADR | 91 $0.63 per cfm of smoke CADR |
| Filter cost 20% | 62 $52.63 a year in filters | 54 $59.98 a year in filters |
| Quiet 20% | 53 52 dB at top speed (maker rating) | 37 54.5 dB at top speed (maker rating) |
| Efficiency 15% | 20 3.6 cfm per watt | 9 2.7 cfm per watt |
| Auto mode 10% | 100 particle (infrared) sensor and Wi-Fi app | 0 no air-quality sensor or app |
| Warranty 10% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Levoit Vital 100S | Levoit Core 300 | |
|---|---|---|
| Performance | ||
| Smoke CADR | 143 cfm | 143 cfm |
| Dust CADR | 161 cfm | 153 cfm |
| Pollen CADR | 173 cfm | 167 cfm |
| PM2.5 CADR | 152 cfm | 148 cfm |
| CADR certified by | AHAM Verifide | AHAM Verifide |
| Room size (AHAM) | 222 sq ft | 222 sq ft |
| Noise | 23 to 52 dB | 24 to 54.5 dB |
| Efficiency | ||
| Efficiency (IEF) | 3.6 cfm/W | 2.7 cfm/W |
| ENERGY STAR | No | No |
| Energy use | 244 kWh/year | 317 kWh/year |
| Power at top speed | 32 W | 56 W |
| Filters | ||
| Filter | HEPA | HEPA |
| Activated carbon | Yes | Yes |
| Replacement | Vital 100S replacement filter | Core 300 Series Original Filter |
| Replacement cost | $39.47 every 9 months | $29.99 every 6 months |
| Yearly filter cost | $52.63/year | $59.98/year |
| Ionizer | No | No |
| CARB certified (ozone) | Yes | Yes |
| Controls and build | ||
| Air-quality sensor | particle (infrared) | None |
| Auto mode | Yes | No |
| Wi-Fi app | Yes | No |
| Fan speeds | 4 | 3 |
| Dimensions | 16.0 x 12.6 x 6.3 in | 14.2 x 8.7 x 8.7 in |
| Weight | 8.6 lb | 7.9 lb |
| Warranty | 2 years | 2 years |
