Dyson's most advanced filtration system combines a precise, solid-state formaldehyde sensor with a unique catalytic filter that continuously destroys formaldehyde.¹ And Dyson purifiers have powerful Air Multiplier technology to purify the whole room.²
Q: What kind of filter does this air purifier use?
A: This air purifier uses a HEPA filter.
Q: How much noise does the Dyson air purifier make?
A: This air purifier is engineered to reduce turbulence, making it 20% quieter than the previous model.
Q: Does this air purifier work with an app?
A: Yes, you can control and monitor the air purifier from anywhere using the MyDyson app.
Q: What is the size of the room this air purifier is recommended for?
A: It is recommended for a room size of 101 square feet.
Q: Does this air purifier also cool the air?
A: Yes, you can choose between Fan mode for direct cooling or Backwards airflow mode for purification without cooling.
Q: What does this air purifier do?
A: This air purifier automatically senses, captures, and traps pollutants, leaving you with cleaner air to breathe.
Q: Can I set a timer on this air purifier?
A: Yes, you can program the machine to turn off after a pre-set interval between 30 minutes and 8 hours.
Q: Does this machine remove mold and bacteria in the air
A: Hello, This is Amanda from Dyson. The glass Hepa filter captures 99.97% of pollutants such as allergens, viruses, and bacteria. Hope this helps! Amanda Dyson Customer Support
Customers frequently mention the Dyson Purifier Cool Formaldehyde TP09's excellent air quality and impressively quiet operation, even at higher settings. Many appreciate its ease of use and sleek design, along with features like the auto mode and remote control. However, a significant number of customers find the price to be a drawback. The cost of replacement filters is also a recurring concern.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

Dyson's most advanced filtration system combines a precise, solid-state formaldehyde sensor with a unique catalytic filter that continuously destroys formaldehyde.¹ And Dyson purifiers have powerful Air Multiplier technology to purify the whole room.²

Dyson Purifier Hot+Cool HP2 De-NOx delivers whole-room heating⁴ and powerful cooling⁶ with purified air. Advanced air purification captures 50% more NO₂.⁸ Removes odors and gases,¹ and continuously destroys formaldehyde.⁹ The fully sealed, 3-stage filter system captures 99.97% of particles as small as 0.3 microns.³ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.³ Air Multiplier technology projects over 76 gallons per second of smooth, yet powerful airflow.⁷ Connects to the MyDyson app to control and monitor air quality from anywhere, or hands-free with compatible voice services.⁵

Dyson Purifier Hot+Cool HP1, exclusive to Bestbuy, delivers whole-room heating⁴ and powerful cooling⁶ with purified air. The fully sealed filter system captures 99.97% of microscopic allergens² and pollutants as small as 0.3 microns.¹ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.³ Air Multiplier technology projects over 76 gallons per second of smooth, yet powerful airflow.⁷ Connects to the MyDyson app to control and monitor air quality from anywhere, or hands-free with compatible voice services.⁵

Dyson Purifier Hot+Cool HP1 delivers whole-room heating⁴ and powerful cooling⁶ with purified air. The fully sealed filter system captures 99.97% of microscopic allergens² and pollutants as small as 0.3 microns.¹ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.³ Air Multiplier technology projects over 76 gallons per second of smooth, yet powerful airflow.⁷ Connects to the MyDyson app to control and monitor air quality from anywhere, or hands-free with compatible voice services.⁵
| Pros for Dyson - Purifier Cool Formaldehyde TP09 - White/Gold | |||
|---|---|---|---|
| Cons for Dyson - Purifier Cool Formaldehyde TP09 - White/Gold | |||
| There were no cons for this product— | There were no cons for this product— | There were no cons for this product— |