Which air purifier fits your room, and what will it cost to run?
Smoke CADR, room size and estimated yearly electricity cost for 247 ENERGY STAR certified air purifiers, straight from ENERGY STAR's public certification data. Every number links to its source. No reviews, no star ratings, no hype.
Room size calculator · Compare any two · Running cost calculator · Full database
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Popular models
| Model | Smoke CADR (cfm) | ENERGY STAR room size (sq ft) | Energy use (kWh/yr) | Est. electricity/yr* |
|---|---|---|---|---|
| Levoit Core 400S | 231 | 358 | 237 | $43.39 |
| Coway Airmega 400 | 376 | 583 | 366 | $67.01 |
| Winix C610 | 248 | 384 | 235 | $43.03 |
| Blueair Pure 211+ | 348 | 539 | 350 | $64.08 |
| Medify Air MA-40-V4.0 | 245 | 380 | 261 | $47.79 |
| Alen BreatheSmart 75i_V2 | 370 | 574 | 304 | $55.66 |
| AirDoctor AD4000 | 370 | 574 | 396.2 | $72.54 |
| Honeywell HPA4300B | 229 | 355 | 185 | $33.87 |
| Dreo DR-HAP003S | 294 | 456 | 282 | $51.63 |
| Coway Airmega ProX | 577 | 894 | 335 | $61.34 |
*Estimate: ENERGY STAR annual kWh × U.S. average residential rate 18.31¢/kWh (EIA, July 2026 (preliminary)). ENERGY STAR's annual figure assumes 16 hours/day of operation under the DOE test procedure.
Brands
AirDoctor · Alen · Blueair · Bosch · Clorox · Coway · Cuckoo · Dreame · Dreo · Frigidaire · GoveeLife · Honeywell · IKEA · IQAir · Levoit · Medify Air · Midea · Rainbow · Sharp · Winix
Comparisons
- Levoit Core 400S vs Winix C610
- Levoit Core 400S vs Coway AP-1526D (Airmega Halo)
- Levoit LAP-C601S-WUS vs Coway Airmega 400
- Levoit LAP-C601S-WUS vs Blueair 6712211000
- Coway Airmega 450 vs Winix Tower XQ
- Coway Airmega ProX vs Cuckoo CAC-F3010FW
- Alen BreatheSmart 75i_V2 vs AirDoctor AD4000
- AirDoctor AD4000 vs Coway Airmega 400
- Medify Air MA-40-V4.0 vs Winix C610
- Medify Air MA-50-V3.0 vs Winix AT40
- Honeywell HPA4300B vs Levoit Core 400S
- Honeywell HPA6000B vs Winix C610