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Dyson

Dyson Purifier Humidify+Cool PH2 De-NOx​

  • Based on 19 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Thursday, Aug 28
Order within 17 hours and 54 minutes
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Features

  • Advanced air purification automatically captures 50% more NO2.8
  • Hygienically removes 99.9% of bacteria in the water.10
  • Fully sealed, 3-stage HEPA H13 grade filtration captures 99.97% of particles as small 0.3 microns.3
  • Removes odors and gases,1 and continuously destroys formaldehyde.9
  • Dyson Air Multiplier technology projects over 77 gallons per second of smooth, yet powerful airflow7 to cool you in summer.6
  • Control and monitor air quality from anywhere using the MyDyson app, or hands-free with compatible voice services.5
  • Set schedules and receive personalized air quality reports via the MyDyson app.
  • Remote control is curved and magnetized to store neatly on your machine.
  • Smooth oscillation up to 350 directs airflow around the room.

Description

Dyson Purifier Humidify+Cool PH2 De-NOx​ purifies and hygienically humidifies the whole room.⁴ It also cools you.⁶ Hygienically removes 99.9% of bacteria in the water.¹⁰ Removes odors and gases,¹ and continuously destroys formaldehyde.⁹ Advanced air purification captures 50% more NO₂.⁸ 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 77 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.⁵¹Gas capture rates vary.²Refers to non-living material.³Particle challenge with DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested per ISO 29463.⁴Tested for air projection (DTM801) and humidification (TM-002110).⁵Requires 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. Refer to the MyDyson app for compatible voice services.⁶Fan, not air conditioning unit.⁷Tested to DTM-801, in fan mode, at speed 10.⁸Tested to Dyson test method TM-003387. In a 3 cubic meter test chamber, at fan speed 10, at third-party test laboratory (Fraunhofer WKI), comparison against regular activated carbon performance.⁹Third party full machine testing based on GB/T 18801-2022 formaldehyde cumulative clean mass testing with continuous injection until plateau of formaldehyde CADR is achieved. Results may vary in practice.¹⁰Humidifier water tank sterilization system tested on S. aureus, E. coli, P. aeruginosa and B. subtilis. Water tank was inoculated with live bacteria. Samples taken of the humidification water after the first 87mL of flow were compared with initial inoculated water, showing 99.9% reduction in viable bacteria.¹¹Based on fan speed 1.

Color: White/Gold


Brand: Dyson


Product Dimensions: 6.1"D x 8.66"W x 36.34"H


Floor Area: 270.0


Specification Met: CARB Certified, EPA Certified


Color: White/Gold


Brand: Dyson


Product Dimensions: 6.1"D x 8.66"W x 36.34"H


Floor Area: 270.0


Specification Met: CARB Certified, EPA Certified


Controller Type: Mobile app, Remote Control


UPC: 885609035482


Manufacturer: Dyson


Item Weight: 17.9 pounds


Country of Origin: Malaysia


Item model number: 544589-01


Assembly required: Yes


Batteries required: Yes


Included Components: Purifer, remote, filter


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Aug 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Does triple duty and does it well!
We got the Dyson Purifier Humidify+Cool PH2 De-NOx mainly because we wanted to tackle a few problems at once- and it has truly delivered. With two energetic puppies constantly tracking in dust and shedding everywhere, plus our indoor hydroponic garden and a whole jungle of houseplants, clean air is a top priority in our home. We also live in the desert, where the humidity is usually in the single digits, so we needed something to keep both us and our plants happy. This unit has checked all those boxes and more. We keep it in our open-concept living room, which is the hub of our home, and it definitely makes a noticeable difference throughout that entire downstairs space. One unexpected perk is how much it’s helped with my baking- I used to have to constantly adjust for the dry air when making bread, but now the dough behaves SO much better. Our plants also show us right away if we forget to refill the water and they perk up again as soon as the humidity is back on track. The cooling feature is another huge plus. It really does work as a powerful fan and can cool down the room surprisingly quickly. I do wish the oscillation felt more noticeable- there’s a setting for it, but the unit itself doesn’t physically turn, so you don’t get that sweeping air movement you'd expect from a traditional fan. That said, the airflow is strong enough to get the job done even without it. I appreciate the app features, especially since it doubles as a remote control. I often use it when a puppy is curled up on my lap and I don’t want to disturb them. The app also sends a notification when the water tank is empty, so I don’t have to keep checking on it myself. As for noise, it's usually fine for background use, but we sometimes turn it down or pause it if we’re watching a movie and want things extra quiet. Maintenance-wise, because our natural humidity is so low, we end up refilling the tank every 24 to 36 hours. While that might sound like a lot, it’s straightforward and hasn’t felt like a hassle. In areas with higher humidity in the air, this wouldn't need to be done nearly as often. Overall, this is definitely a big investment- it’s not cheap- but if you’re looking for something that truly improves air quality, adds much-needed humidity, and cools effectively, it’s a fantastic all-in-one option. Whether it’s worth the price will depend on your priorities, but for us, it’s been absolutely worth it. ... show more
Reviewed in the United States on July 4, 2025 by {Not Quite} Susie Homemaker
    • Expensive, but effective.
This is an expensive piece of equipment, so I wanted to live with it a while rather than firing off a review after a few days. Now that I've lived with the Dyson unit for a couple of months, I'm satisfied that it's earned its place in my house. I should note that I have not needed nor used the humidifier feature of the unit. I"ll probably need that this winter, but not now. I'm speaking only about the purifying and air flow functions. The unit comes packaged like a Fabrege egg. It will take you longer to unpack it than to read the instructions. And given the price point, that is a good thing. Just be sure to check every nook and cranny for cardboard stabilizers and protective films. Use is fairly intuitive, but the instructions are pretty clear. A PDF version is available on-line if you don't feel like getting out a microscope to read the print ones. The design is typically Dyson. This is about as attractive as an appliance can get. I actually like the look, although I would have chosen a black or silver base rather than the gold-toned one if it had been offered for review. Assembly is simple. The unit is surprisingly stout. I can easily pick it up to move it, but when I do, the weight does surprise me. It is quiet. Even at the highest settings, it's not annoyingly loud. On medium and low settings, it makes for just the right level of white noise to induce sleep. I have the unit in part of the house that seemed to be a collecting point for stale air, cooking odors and hot spots. For the first week or two, I wondered if the unit was actually doing anything, then one night I realized I wasn't smelling the dinner from three hours ago, and that part of the house was slightly cooler than the other parts of the house. Usually, it would be sweltering while the rest of the house was pleasant. I then noticed that the hot spot in the hallway was missing and that I wasn't having to dust as often. The big test came on July 4th, where neighbors seem to be trying to re-enact the Battle of Yorktown with fireworks. Inside this year? No smoke smell. I like that the remote magnetically attaches to the top of the unit. I hate that the remotes, buttons are so low contrast that no one in the house can see them without turning on a light or getting their reading glasses. Ditto the screen at the bottom of the unit. It's small, which is good for not being an unwanted nightlight, but it's not easy to read. It's suppose one could load the phone app, but I dislike loading my phone down with stuff like that. And I dislike having to go to a phone app to use something I'm standing right in front of. TL;DR. If you can spare the $1000 and live in a house that hold odors, has uneven air flow, and you have any air-carried allergies at all, this is a good buy. It has minor annoyances, but it does to the job it promises to do. That's rare of any tech or appliance these days. ... show more
Reviewed in the United States on July 16, 2025 by Reader
    • Dyson Purifier Humidify+Cool PH2 De-NOx: Worth Every Penny for Comfort and Quality
Review Image by Rachel Affield Rachel Affield
The Dyson Purifier Humidify+Cool PH2 De-NOx is an investment in comfort and well-being, and it's worth every penny. From the moment I turned it on, I was impressed. The cooling function works wonderfully, creating a comfortable environment in my living room, even on the hottest days. But the real magic is in the humidifying capabilities. We live in a dry climate, which can be tough on our skin and sinuses. This Dyson unit keeps the humidity at the perfect level, creating a much more comfortable and healthy living space. I was pleasantly surprised by how long the water reservoir lasts. Even in our dry climate, we don't have to refill it as often as I initially anticipated. The unit is also incredibly quiet, which is a huge plus. The air purification features are an added bonus, ensuring that the air we breathe is clean and fresh. Yes, the price is high, but that's to be expected with Dyson's reputation for quality and innovation. This unit is a premium product, and it delivers premium results. What I love: Effective cooling: Keeps the living room cool and comfortable. Perfect humidity control: Maintains the ideal humidity level, even in a dry climate. Long-lasting water reservoir: Doesn't require frequent refills. Quiet operation: Doesn't disturb the peace and quiet. Excellent air purification: Provides clean and fresh air. Dyson quality: Built to last and delivers premium performance. Highly recommended for anyone looking for a high-quality air purifier, humidifier, and cooler. It's an investment in your health and comfort that you won't regret. ... show more
Reviewed in the United States on July 21, 2025 by Rachel Affield Rachel Affield

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