Air purifiers by room size
Every size below lists purifiers whose verified smoke CADR really reaches 4.8 air changes an hour there, with a 2.5 m ceiling. Pick the size at or just above your room.
Room sizes
- 107 sq ft10 m² 10 m²107 sq ft
- 161 sq ft15 m² 15 m²161 sq ft
- 215 sq ft20 m² 20 m²215 sq ft
- 269 sq ft25 m² 25 m²269 sq ft
- 322 sq ft30 m² 30 m²322 sq ft
- 376 sq ft35 m² 35 m²376 sq ft
- 430 sq ft40 m² 40 m²430 sq ft
- 538 sq ft50 m² 50 m²538 sq ft
- 645 sq ft60 m² 60 m²645 sq ft
- 861 sq ft80 m² 80 m²861 sq ft
- 1,076 sq ft100 m² 100 m²1,076 sq ft
Exact size, or a higher ceiling
Enter your floor area and ceiling height. The list updates as you type and only shows purifiers with a verified CADR.
m²Length × width
mMost homes: 2.4–2.7 m
Our pick for each size
| Room | Our pick | Options |
|---|---|---|
| 107 sq ft10 m² 10 m²107 sq ft | GermGuardian AC4825E | 16 models |
| 161 sq ft15 m² 15 m²161 sq ft | Levoit Core 300 | 14 models |
| 215 sq ft20 m² 20 m²215 sq ft | Levoit Core 400S-P | 14 models |
| 269 sq ft25 m² 25 m²269 sq ft | Levoit Core 400S-P | 11 models |
| 322 sq ft30 m² 30 m²322 sq ft | Winix T810 | 11 models |
| 376 sq ft35 m² 35 m²376 sq ft | Winix 9800 | 10 models |
| 430 sq ft40 m² 40 m²430 sq ft | Levoit EverestAir-P | 7 models |
| 538 sq ft50 m² 50 m²538 sq ft | Medify MA-112 | 4 models |
| 645 sq ft60 m² 60 m²645 sq ft | Medify MA-112 | 2 models |
| 861 sq ft80 m² 80 m²861 sq ft | Medify MA-112 | 1 model |
| 1,076 sq ft100 m² 100 m²1,076 sq ft | 2 × Levoit EverestAir-P | 2 units |