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Air purifiers ยท Buying guide

Best air purifiers for rooms up to 300 sq ft with app control

#1 is the Levoit LAP-C311S-WUSR. Of the 29 models that fit, it cleans smoke from the air fastest (175 cfm).

The list

  1. 1

    Levoit LAP-C311S-WUSR

    • Clean air per minute: smoke175 cfm
    • Room size it is rated for271 sq ft
    • Electricity per year132 kWh
    • Ozone it gives off0 ppb
  2. 2

    Blueair model 4512311000

    • Clean air per minute: smoke161 cfm
    • Room size it is rated for250 sq ft
    • Electricity per year110 kWh
    • Ozone it gives off1 ppb
  3. 3

    Dreo DR-HAP009

    • Clean air per minute: smoke158 cfm
    • Room size it is rated for245 sq ft
    • Electricity per year162 kWh
    • Ozone it gives off0 ppb
  4. 4

    Dreo DR-HAP009S

    • Clean air per minute: smoke158 cfm
    • Room size it is rated for245 sq ft
    • Electricity per year162 kWh
    • Ozone it gives off0 ppb
  5. 5

    Blueair model 3132111100

    • Clean air per minute: smoke153 cfm
    • Room size it is rated for237 sq ft
    • Electricity per year103.3 kWh
    • Ozone it gives off3 ppb
  6. 6

    Dreo DR-HAP005AS

    • Clean air per minute: smoke152 cfm
    • Room size it is rated for236 sq ft
    • Electricity per year146 kWh
    • Ozone it gives off0 ppb
  7. 7

    Alen BreatheSmart 35i

    • Clean air per minute: smoke150 cfm
    • Room size it is rated for233 sq ft
    • Electricity per year136 kWh
    • Ozone it gives off0 ppb
  8. 8

    Blueair model 3232111101

    • Clean air per minute: smoke147 cfm
    • Room size it is rated for228 sq ft
    • Electricity per year108 kWh
    • Ozone it gives off1 ppb
  9. 9

    Blueair model 3232111100

    • Clean air per minute: smoke145 cfm
    • Room size it is rated for225 sq ft
    • Electricity per year110 kWh
    • Ozone it gives off2 ppb
  10. 10

    Dreo DR-HAP007S

    • Clean air per minute: smoke143 cfm
    • Room size it is rated for222 sq ft
    • Electricity per year140 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 for rooms up to 300 sq ft and with app control. 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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