Dyson Purifier Hot+Cool™ HP09 Formaldehyde (White / Gold) purifying fan heater
Purifies and heats the whole room evenly.¹ Cools you with powerful airflow. Connects to the MyDyson™ app.
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Dyson Purifier Hot+Cool™ HP09 Formaldehyde (White / Gold)
Overall rating
In the box
Dyson Purifier Hot+Cool™ HP09 Formaldehyde (White / Gold)
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360° Glass HEPA and Activated Carbon Filter
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Remote control
Key features
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Cools you and heats the whole room¹
Air Multiplier™ technology projects a powerful stream of high-velocity, purified air to cool you quickly, or heat the whole room evenly.¹
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Quiet, even at full power
Acoustically engineered to reduce turbulence and noise, for quiet operation. Perfect for hot nights or peaceful working environments.
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Smart technology
The MyDyson™ app lets you see which pollutants have been captured, set schedules and more. Control hands-free, using compatible voice services such as Amazon Alexa, Google Assistant or Siri.⁷
Discover the pioneering technology inside
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Auto mode
In Auto mode our purifier reacts automatically to capture pollutants, only using energy when needed. With live air quality reports displayed on the LCD screen or MyDyson™ app.⁷
Auto mode
In Auto mode our purifier reacts automatically to capture pollutants, only using energy when needed. With live air quality reports displayed on the LCD screen or MyDyson™ app.⁷
Frequently asked questions
How powerful is the Dyson Purifier Hot+Cool Formaldehyde purifying fan heater?
The Dyson Purifier Hot+Cool Formaldehyde features Air Multiplier™ technology for powerful, long-range air projection, delivering a maximum airflow of 77 gallons of air per second.
What size of room is the Dyson Purifier Hot+Cool Formaldehyde suitable for?
In tests we found this machine suitable for room sizes up to 27m².
Can I use the machine with an extension cable?
We would advise owners not to use an extension cable when using the Dyson Purifier Hot+Cool Formaldehyde.
What is formaldehyde, and where does it come from?
Formaldehyde is a polluting gas formed of carbon, hydrogen, and oxygen that is commonly found in homes. Sources of formaldehyde in your home could include paint and varnishes, glues, air fresheners, mattresses, furniture, household cleaners, carpets, particleboard and plywood, electronics, dryer sheets, nail polish remover, moth balls, toys, fireplaces, and wood burning stoves.
HEPA grades refer to filter efficiency at a certain particle size. HEPA H13 is a filter with a 99.95% removal efficiency of particles down to 0.1 microns per litre of air. This includes common pollutants such as allergens, bacteria, viruses, pollen, and mould spores.
How often should I replace my filter?
We recommend replacing the HEPA+Carbon filter roughly every 12 months, depending on how often you use it. That’s because over time filters can become clogged with pollutants and even let unpleasant odours back into the room. The machine will alert you when it’s time to change filters. A filter life reading can be found on the LCD screen and via the myDyson app.⁷ The SCO filter never needs replacing.
What is the heating and cooling functionality of HP09? Is it an air purifier?
The Dyson Purifier Hot+Cool Formaldehyde is a multifunctional air purifier, heater and cooling fan. The machine uses Dyson Air Multiplier™ technology to project a powerful stream of high-velocity, purified air to cool you quickly and heat the whole room evenly.¹
Do Dyson purifiers capture wildfire smoke?
Yes, Dyson purifiers capture wildfire smoke and other combustion pollutants.⁹
