Levoit Core 400S vs Levoit LAP-C401S-WUSR
A spec-only comparison using ENERGY STAR certification data. We have not tested either unit, and features like noise, filter price and build quality are not covered here.
- Cleaning speed: the Levoit LAP-C401S-WUSR has the higher smoke CADR (234 vs 231 cfm, 1% more).
- Running cost: the Levoit LAP-C401S-WUSR uses less electricity per ENERGY STAR (235 kWh/yr), about $0.37/yr less at the U.S. average rate (estimate).
- Room size: by AHAM's 2/3 rule, up to about 346 sq ft vs 351 sq ft.
Both sit in ENERGY STAR data as Medium rooms (150–249 cfm) units by smoke CADR. Listed differences: reported ozone is 0 ppb vs 1 ppb. Over 5 years at the U.S. average rate, the electricity difference is about $1.83 (estimate).
ENERGY STAR carries these as two separate certifications with slightly different results. We do not assume they are the same product; check the model number on the unit.
| Levoit Core 400S | Levoit LAP-C401S-WUSR | |
|---|---|---|
| Smoke CADR (cfm) | 231 | 234 |
| Dust CADR (cfm) | 240 | 233 |
| Pollen CADR (cfm) | 259 | 257 |
| ENERGY STAR room size | 358 sq ft | 363 sq ft |
| AHAM 2/3-rule room size | 346 sq ft | 351 sq ft |
| Annual energy | 237 kWh | 235 kWh |
| Est. electricity/yr (U.S. avg) | $43.39 | $43.03 |
| Smoke CADR per watt | 5.75 | 5.91 |
| Ozone (reported) | 0 ppb | 1 ppb |
| Technology | Fan and Filter | Fan and Filter |
| Filters listed | HEPA-Type | HEPA-Type |
| Auto mode | Air Quality Sensor,Timer | Air Quality Sensor,Timer |
| Connected | Yes | Yes |
| Most Efficient | No | No |
| Source | ENERGY STAR record 4027325 | ENERGY STAR record 4429169 |
Purchase price and filter cost are not included (data gap). Electricity estimates use 18.31¢/kWh (EIA).
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See Levoit air purifiers on the manufacturer's site (plain link, not an affiliate link)
See Levoit air purifiers on the manufacturer's site (plain link, not an affiliate link)