Best air purifiers rated most efficient

The list

1. 1

   Coway Airmega ProX

   • Clean air per minute: smoke577 cfm
   • Room size it is rated for894 sq ft
   • Electricity per year335 kWh
   • Ozone it gives off0 ppb
2. 2

   Blueair model 4312111000

   • Clean air per minute: smoke455 cfm
   • Room size it is rated for705 sq ft
   • Electricity per year235 kWh
   • Ozone it gives off3 ppb
3. 3

   Blueair model 3613111100

   • Clean air per minute: smoke443 cfm
   • Room size it is rated for687 sq ft
   • Electricity per year259 kWh
   • Ozone it gives off2 ppb
4. 4

   Coway AP-3018B

   • Clean air per minute: smoke413 cfm
   • Room size it is rated for640 sq ft
   • Electricity per year235 kWh
   • Ozone it gives off0 ppb
5. 5

   Rainbow Brisk Box Ultra

   • Clean air per minute: smoke370 cfm
   • Room size it is rated for574 sq ft
   • Electricity per year94 kWh
   • Ozone it gives off0 ppb
6. 6

   Blueair model 3631101000

   • Clean air per minute: smoke356 cfm
   • Room size it is rated for552 sq ft
   • Electricity per year210 kWh
   • Ozone it gives off1 ppb
7. 7

   Blueair model 3432111100

   • Clean air per minute: smoke339 cfm
   • Room size it is rated for525 sq ft
   • Electricity per year227 kWh
   • Ozone it gives off2 ppb
8. 8

   Rainbow Luggable XL Ultra

   • Clean air per minute: smoke333 cfm
   • Room size it is rated for516 sq ft
   • Electricity per year81 kWh
   • Ozone it gives off0 ppb
9. 9

   Blueair model 4412311000

   • Clean air per minute: smoke321 cfm
   • Room size it is rated for498 sq ft
   • Electricity per year181 kWh
   • Ozone it gives off1 ppb
10. 10

    Rainbow Luggable XXL

    • Clean air per minute: smoke306 cfm
    • Room size it is rated for474 sq ft
    • Electricity per year75 kWh
    • Ozone it gives off0 ppb

How this list is made

We start from every air purifier certified by ENERGY STAR and sold in the US (206 models). Models shown: rated most efficient. Ranked by clean air per minute: smoke (higher is better). Ties go to the one that uses less electricity.

Data: ENERGY STAR certified products list, checked 2026-11-09. We have not tested these products ourselves.

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