Winix HR900 vs Fellowes AeraMax 300 vs GermGuardian AC4825

Performance Comparison

• Room Size Coverage 🏠

  Recommended room size the air purifier can effectively clean

  Winix HR900

  • 300 sq ft

    Winix HR900 can effectively cover a room size of 300. Air purifiers effective in medium-large 300 square feet spaces

  Fellowes AeraMax 300

  • 600 sq ft

    Fellowes AeraMax 300 can effectively cover a room size of 600. Air purifiers effective in rooms up to 600 square feet

  GermGuardian AC4825

  • 167 sq ft

    GermGuardian AC4825 can effectively cover a room size of 167. Air purifiers effective in compact 167 square feet spaces

• CADR Rating 📈

  Clean Air Delivery Rate for smoke, dust, and pollen

  Winix HR900

  • 264 cfm

    The CADR rating of Winix HR900 is 264 cfm.  Click to see all.

  Fellowes AeraMax 300

  • 300 cfm

    The CADR rating of Fellowes AeraMax 300 is 300 cfm.  Click to see all.

  GermGuardian AC4825

  • 108 cfm

    The CADR rating of GermGuardian AC4825 is 108 cfm.  Click to see all.

• CADR Rating Type 📊

  Classification of CADR rating values

  For all*

  • Dust

    Air purifiers with a dust CADR rating are effective at removing airborne dust particles.

  Fellowes AeraMax 300

  • Smoke

    The CADR rating type of Fellowes AeraMax 300 is Smoke. Air purifiers with a smoke CADR rating are highly effective at removing smoke particles and odors.  Click to see all.
  • Pollen

    The CADR rating type of Fellowes AeraMax 300 is Pollen. Air purifiers with a pollen CADR rating are specifically effective at removing pollen from the air.  Click to see all.

• Coverage Area 🏠

  Specifies the maximum room size in square feet or meters that the air purifier can effectively clean.

  Winix HR900

  • 300 sq ft

    The coverage area of Winix HR900 is 300 sq ft.  Click to see all.

  Fellowes AeraMax 300

  • 600 sq ft

    The coverage area of Fellowes AeraMax 300 is 600 sq ft.  Click to see all.

  GermGuardian AC4825

  • 167 sq ft

    The coverage area of GermGuardian AC4825 is 167 sq ft.  Click to see all.