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Air purifiers ยท Buying guide

Best air purifiers for allergies

#1 is the Rainbow Luggable XL Ultra. Of the 206 models that fit, 10+ share the top score for pollen (450 cfm); it uses the least electricity of them (81 kWh a year).

The list

  1. 1

    Rainbow Luggable XL Ultra

    • Clean air per minute: pollen450 cfm
    • Room size it is rated for516 sq ft
    • Clean air per minute: smoke333 cfm
    • Electricity per year81 kWh
  2. 2

    Rainbow Brisk Box Ultra

    • Clean air per minute: pollen450 cfm
    • Room size it is rated for574 sq ft
    • Clean air per minute: smoke370 cfm
    • Electricity per year94 kWh
  3. 3

    Blueair model 4312111000

    • Clean air per minute: pollen450 cfm
    • Room size it is rated for705 sq ft
    • Clean air per minute: smoke455 cfm
    • Electricity per year235 kWh
  4. 4

    Coway AP-3018B

    • Clean air per minute: pollen450 cfm
    • Room size it is rated for640 sq ft
    • Clean air per minute: smoke413 cfm
    • Electricity per year235 kWh
  5. 5

    Blueair model 3613111100

    • Clean air per minute: pollen450 cfm
    • Room size it is rated for687 sq ft
    • Clean air per minute: smoke443 cfm
    • Electricity per year259 kWh
  6. 6

    Coway Airmega ProX

    • Clean air per minute: pollen450 cfm
    • Room size it is rated for894 sq ft
    • Clean air per minute: smoke577 cfm
    • Electricity per year335 kWh
  7. 7

    Coway Airmega 350

    • Clean air per minute: pollen450 cfm
    • Room size it is rated for558 sq ft
    • Clean air per minute: smoke360 cfm
    • Electricity per year344 kWh
  8. 8

    Cuckoo CAC-AH2810FNW

    • Clean air per minute: pollen450 cfm
    • Room size it is rated for705 sq ft
    • Clean air per minute: smoke455 cfm
    • Electricity per year388 kWh
  9. 9

    Coway Airmega 450

    • Clean air per minute: pollen450 cfm
    • Room size it is rated for687 sq ft
    • Clean air per minute: smoke443 cfm
    • Electricity per year389 kWh
  10. 10

    AirDoctor AD4000

    • Clean air per minute: pollen450 cfm
    • Room size it is rated for574 sq ft
    • Clean air per minute: smoke370 cfm
    • Electricity per year396.2 kWh

How this list is made

We start from every air purifier certified by ENERGY STAR and sold in the US (206 models). Ranked by clean air per minute: pollen (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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