Honeywell HPA4300B vs Levoit Core 400S
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 Core 400S has the higher smoke CADR (231 vs 229 cfm, 1% more).
- Running cost: the Honeywell HPA4300B uses less electricity per ENERGY STAR (185 kWh/yr), about $9.52/yr less at the U.S. average rate (estimate).
- Room size: by AHAM's 2/3 rule, up to about 344 sq ft vs 346 sq ft.
Both sit in ENERGY STAR data as Medium rooms (150–249 cfm) units by smoke CADR. Listed differences: only the Levoit Core 400S is listed as connected (app/Wi-Fi). Over 5 years at the U.S. average rate, the electricity difference is about $47.61 (estimate).
| Honeywell HPA4300B | Levoit Core 400S | |
|---|---|---|
| Smoke CADR (cfm) | 229 | 231 |
| Dust CADR (cfm) | 238 | 240 |
| Pollen CADR (cfm) | 245 | 259 |
| ENERGY STAR room size | 355 sq ft | 358 sq ft |
| AHAM 2/3-rule room size | 344 sq ft | 346 sq ft |
| Annual energy | 185 kWh | 237 kWh |
| Est. electricity/yr (U.S. avg) | $33.87 | $43.39 |
| Smoke CADR per watt | 7.39 | 5.75 |
| Ozone (reported) | 0 ppb | 0 ppb |
| Technology | Fan and Filter | Fan and Filter |
| Filters listed | HEPA | HEPA-Type |
| Auto mode | Air Quality Sensor | Air Quality Sensor,Timer |
| Connected | No | Yes |
| Most Efficient | No | No |
| Source | ENERGY STAR record 4518177 | ENERGY STAR record 4027325 |
Purchase price and filter cost are not included (data gap). Electricity estimates use 18.31¢/kWh (EIA).
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See Honeywell 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)