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Frequently asked questions

What is different about the Dyson Purifier Hot+Cool HP1?

The Dyson Purifier Hot+Cool HP1 has some of the same core capabilities found in our other purification machines. The air purifier fan heater can capture a wide range of particles and VOCs, including PM2.5 and PM10.¹

The machine also benefits from app connectivity. Pairing your device with the MyDyson™ app lets you monitor your home’s air quality from anywhere, set schedules, and more.⁵

How often should I replace my air purifier filter?

We recommend replacing the 360° Combi HEPA and Activated carbon air purifier filter every 12 months. That's because over time, filters can get clogged with pollutants, and even let unpleasant odours back into the room. You'll be notified via the MyDyson™ app or LCD screen when it's time to replace the filter.

What are the benefits of connecting my Dyson air purifier to the MyDyson™ app?

Connecting your Dyson Purifier Hot+Cool HP1 to the MyDyson™ app gives you enhanced control and monitoring capabilities.⁵ The app lets you monitor your home’s air quality, past and present, and gives you monthly personalised reports.

Get quick and easy support, plus helpful reminders such as when it’s time to replace the filter.

Using the MyDyson™ app also gives you full remote control, even when you’re not at home. Manage airflow speed adjustment, sleep timers, automated scheduling and even app-only features such as selecting your machine’s oscillation angle and its focal point.

Connecting to the app helps maintain a healthier home. And gives you complete control, wherever you are.

  • 1 Fan not air-conditioning unit.
  • 2 Tested for for filtration efficiency at 0.1 microns (EN1822, ISO29364). Gas capture rates may vary.
  • 3 App functionality may vary per market. Requires Wi-Fi and app enabled device. Standard data and messaging rates may apply. Requires iOS version 10 or above, or Android version 5 or above. Your mobile device must have Bluetooth 4.0 support.
  • 4 In maximum setting. Tested for air projection (DTM801), purification coverage in a 81m3 room (TM-003771) and heating performance in a 35m³ room (DTM961).
  • 5 After reaching target temperature and maintaining it. Tested in a 35 m³ chamber when using the hot air mode and the product setting temperature is 25 °C. Comparing with continuous operation with power consumption of 2050W. Real life results may vary depending on room insulation.