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Only at Dyson dyson purifier cool formaldehyde motif
Dyson Purifier Cool Formaldehyde™ TP09 purifying fan
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Dyson Purifier Cool Formaldehyde™ TP09 purifying fan

Dyson Purifier Cool Formaldehyde™ TP09 purifying fan (Nickel/Gold)

Automatically senses, captures, and traps pollutants for cleaner air

Detects and destroys formaldehyde¹

Purifies the whole room²

Dyson 2-year warranty

Detects and destroys formaldehyde¹

Dyson's most advanced filtration system combines a precise, solid-state formaldehyde sensor with a unique catalytic filter that continuously destroys formaldehyde.¹ A filter removes gases and odors and a HEPA filter captures 99.97% of particles 0.3 microns in size. And Dyson purifiers have powerful Air Multiplier™ technology to purify the whole room.²

Dyson Purifier Cool Formaldehyde™ TP09 (Nickel/Gold)

Overall rating

59% of reviewers would recommend to a friend.

This machine is the Bomb!


I purchased this for my hubby’s 66th b-day. He was always complaining about a stuffy nose at night. The first night we kept it going all night. It felt and smelled like we were high in the mountain air! (We live in Sunny Isles FL on the beach, where it is summer all year long.) Needless to say it has not moved from our bedroom. We have now purchased two more. One for the front room and one for the office. They will be here in a few days. So excited! Thank you for making such an incredible machine!


  • Senses and reports, automatically

    Integrated sensors constantly analyze your air, while our unique algorithm cross-checks data every second. It diagnoses pollutants at a molecular level, displaying live results on the LCD.

  • Captures gases and ultrafine particles

    The HEPA filter captures 99.97% of particles 0.3 microns in size. An additional filter removes odors and gases including VOCs.

  • Destroys formaldehyde, continuously

    The Dyson catalytic filter continuously traps and breaks down formaldehyde molecules¹ into water and CO₂. And it never needs replacing.

  • Purifies the whole room

    Only Dyson purifiers have Air Multiplier™ technology. It generates the circulation power to draw even distant pollutants into the machine, projecting purified air throughout the room.²

  • Fully sealed to HEPA H13

    In our latest purifiers, it's not just the filter that meets HEPA H13 standard, it's the whole machine.³ So what goes inside, stays inside.

  • Precisely detects formaldehyde

    Our latest purifiers use a solid-state sensor to detect formaldehyde molecules 500 times smaller than 0.3 microns and maintains precision for the lifetime of the machine.


  • Cools you when needed⁵

    Projects over 77 gallons of air a second for cooling airflow.

  • Backward airflow mode

    Diverts airflow through the back of the machine. To purify, without cooling you.

  • Now 20% quieter

    Acoustically engineered to reduce turbulence, so it's 20% quieter than the previous model.

  • App control

    Control and monitor your air quality from anywhere using the MyDyson app.⁴

  • Voice control

    Control it hands-free with compatible voice services. Works with Amazon Alexa, Apple Siri, and Google Home.⁴

  • Oscillates up to 350 ̊

    Adjustable oscillation projects purified air around the whole room.

  • Night mode

    For lighter sleepers. Monitors and purifies using the quietest settings, along with a dimmed display.

  • Easy filter care

    The filter is quick and easy to change. With automatic filter-life notifications on the LCD or MyDyson app.

  • Remote

    Curved and magnetized to store neatly on top of the machine.

  • Energy Star Certified

  • Parent Tested Parent Approved

    Awarded the PTPA seal of approval. The seal of approval families trust.

  • Certified Asthma and Allergy friendly

    Dyson purifiers are certified asthma and allergy friendly by the Asthma and Allergy Foundation of America.


  • Weight

    10.7 lb

  • Oscillation/Angle

    350 degrees

  • Cord length

    6 ft

  • Number of speed settings


  • HEPA filter

    HEPA H13

Dyson purifier hot cool formaldehyde
  • Height

    41 in

  • Length

    4.72 in

  • Width

    8.7 in

In the box

Dyson Purifier Cool Formaldehyde™ TP09 (Nickel/Gold)

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Frequently asked questions

What's new about the Dyson Purifier range and how is it different to other purifiers?

Dyson engineers are perfectionists. Channeling our relentless dissatisfaction, we have re-engineered our latest purifiers to be fully sealed to HEPA H13 standard.³ Two phases of purification sit within a fully-sealed filtration and airflow system to trap pollutants inside, preventing them from leaking back into the air you breathe. This machine is also 20% quieter than previous models, achieving lower sound output without any compromise to purification performance.

What is different about the Dyson Purifier Formaldehyde range?

The Dyson Purifier Formaldehyde range has all of the capabilities found in our advanced purification products, but goes a step further to detect and destroy formaldehyde.¹ An added solid-state sensor precisely detects formaldehyde, while our catalytic filter breaks it down into two safer molecules – carbon dioxide and water.

What is formaldehyde and what are its common sources?

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, air fresheners, mattresses, furniture, household cleaners, carpets, particleboard and plywood, electronics, dryer sheets, nail polish remover, moth balls, toys, fireplaces, and wood burning stoves.

What is HEPA H13?

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 liter of air. Dyson filters also capture 99.97% of particles down to 0.3 microns in size including common pollutants such as allergens, bacteria, viruses, pollen, and mold 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 odors 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 Dyson Link app.⁴ The catalytic filter never needs replacing.

What is the cooling functionality of TP09? Is it an air conditioner?

No, TP09 can serve as a fan, which can help cool you. It is not an air conditioner.

Do Dyson purifiers capture wildfire smoke?

Dyson purifiers capture wildfire smoke.9

  • Replacement filter

    Replacement filter

Choose your model

Only at Dyson

Dyson Purifier Cool Formaldehyde™ TP09 (Nickel/Gold)

Detects and destroys formaldehyde.¹

Automatically senses, captures and traps pollutants.

Control with remote, MyDyson app, voice services.⁵

Color:  Nickel/Gold

What's included

See all Hide Click to learn more
  • Remote control

    Curved and magnetized to store neatly on the machine

  • Dyson Genuine filter

    Filter for your Dyson Purifier


See details
Best seller

Dyson Purifier Cool Formaldehyde™ TP09 (White/Gold)

Detects and destroys formaldehyde.¹

Automatically senses, captures and traps pollutants.

Control with remote, MyDyson app, voice services.⁵

Color:  White / Gold

What's included

See all Hide Click to learn more
  • Remote control

    Curved and magnetized to store neatly on the machine

  • Dyson Genuine filter

    Filter for your Dyson Purifier


See details

*Compared to Dyson Pure Cool purifying fan (TP01/AM11)

¹Third party full machine testing based on GB/T 18801-2018 formaldehyde cumulative clean mass testing with continuous injection until plateau of formaldeyde CADR is achieved. Results may vary in practice.

²In maximum setting. Tested for air projection (DTM801) and purification coverage in a 2860ft3 room (TM-003711).

³Particle challenge by DEHS oil specified in EN1822 within chamber specified in ASTM F3150. Tested in Max Mode at IBR US, for whole machine efficiency above 99.95%.

⁴Requires device to run app, Wi-Fi or mobile data, Bluetooth 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply.

⁵TP09 is a fan, not an air conditioning unit.

9Based on capture of particles, ammonia, benzene, and acetic acid.