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Frequently asked questions

Where should I place my purifier fan?

Your purifier fan is engineered to purify single rooms, so you should use it where you spend the majority of your time at home. When placing the machine, make sure there is at least a few feet of clearance on all sides so that the air can circulate effectively.

How long should my purifier fan be turned on for?

Your purifier fan's auto mode is designed to manage the air quality in your home without you having to operate the machine – so it's only on when it needs to be. If you or someone in your home suffer from allergies or respiratory illnesses, we particularly recommend using your machine's auto mode.

  • 1 PM 2.5, PM 10, VOCs, NO₂.
  • 2 Tested for filtration efficiency, air projection, purification coverage in a 81m³ (2860ft³) room with multiple sensors. Automatically refers to when machine is in auto mode.
  • 3 Tested to Dyson internal test method TM-003711 in a 27m² (290ft²) room and DTM801.
  • 4 Standard data and messaging rates may apply. Requires Wi-Fi and app-enabled device. Requires iOS version 10 or above, or Android version 5 or above. Your mobile device must have Bluetooth 4.0 support.
  • 5 Requires device to run app, 2.4GHz or 5GHz Wi-Fi connection or mobile data, and Bluetooth 4.0 support. For app compatibility, please search for "Dyson Link" on the iOS App Store or the Google Play Store. Standard data and messaging rates may apply.