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Rating 4.3 out of 5 stars with 445 reviews
Jack Posted
The bad; In a 12x15 room the humidity only rises to 55% when set to 70%. And it’s pretty big and not as useful unless it’s close to the center of the room. The good; The app, ability to use hard water and self cleaning, and the fact it cleans the air and water without creating ozone sets this apart from others.
Naly Posted
I love my machine- Fan/ Moisturizer/Air filter. Work silently, nice, gently, efficiently in air filter. It shows the air quality of my house.
CapyBarra Posted
This is a frustrating product, because you can tell a lot of thought went into many aspects of its design, while at the same time, there are numerous glaring flaws. Things I like: the aesthetic; the color screen that auto dims in night mode; UV water sanitization; cleaning reminders and self cleaning (haven’t tried that); the remote; the app that plots humidity and air quality time series; the ability to oscillate the fan in a stochastic fashion imitating a breeze; the ability to simultaneously function as a fan, purifier, and humidifier. However, there are some basic design oversights that ruin the user experience. For one, the WiFi connection is very spotty; I’ve tried numerous fixes to no avail. Also, the overall build quality seems doubtful, with lots of plastic parts and overly complex engineering. I’ve had transient but annoying noise issues, such as the fan sound being high pitched or buzzing during the oscillation. Also, the humidity can only be adjusted in increments of 10 in manual mode. In auto mode, the algorithm favors very high fan speeds, even if the climate is close to the target, and the noise level is insane. All in all, it feels like a showcase of some brilliant design ideas that unfortunately lacks polish. Good design has to get the common sense stuff right before impressing the user with innovation. It’s unfortunate because Dyson is one of the few companies in the space that exhibits a clear air of perfectionism when it comes to their product. Hopefully reviews similar to this (of which there are many) eventually make it to the ears of the Dyson designers and engineers…
Posted
Hello, this is Kelly with Dyson. Thank you taking the time to share your honest feedback here with us. We love to both hear and learn from our owners. We're happy to hear that you did fine so many positive things to like about the PH04 Purifier Humidifier + Cool Formaldehyde. It's disappointing to hear that you've had some trouble with getting completely connected via WIFI. We do have a dedicated connected team who can help with troubleshooting that connection, if that need arises. We truly appreciate the feedback shared and I do want to assure you that we always pass feedback like this along to our design and engineering teams, since it is so valuable. If you still have any questions or concerns that we can help to address, feel free to get in touch with us at askdysonUS@dyson.com.
Best wishes,
Kelly
Dyson Customer Support
Luisv Posted
At first, I was really skeptical because of the price and whether it would actually clean the air. I used it for two weeks, decided to return it, and turned it off… big mistake! My whole family—my wife, daughter, and three dogs—started sneezing and complaining about allergies. I had to turn it back on immediately, and wow, it works! Everyone is breathing easily now, no allergies at all. This air purifier is a total game-changer!
BecM Posted
Love how it keeps the air clean while humidifying. App is easy to use
AnociaT Posted
This works wonders for my sensitive nose. I didnt realize how allergy prone i am until i stopped. Only thing that can make this product better is if it could switch from humidify to dehumidify. To be an all in one. I really like minimizing unnecessary appliances if i am able.
Posted
Hello, thank you for providing great feedback! We are extremely glad to hear you are pleased with the performance of your Dyson Purifier Humidify + Cool Formaldehyde PH04. We are committed to developing the highest quality products and providing our customers with excellent service. Comments from consumers help us improve the quality of our products and services. We would also like to learn more so we can learn ways to improve future services. If you have any additional questions or concerns, please email us at askdysonus@dyson.com. Dyson wishes you great health and Joy! Best wishes, Dyson Marketplace Support.
VeronicaG Posted
Amazing! I’ve had it going for about a week, and I can’t tell you how much of a difference it’s made. There used to be so much dust and who knows what flying stone my house, you could see the as you walked around. My allergies have subsided and I no longer have to take my allergy pill every day. The cloud of dust and what not is gone! I love that I can the air purifier separate from the humidifier.
AguirreA Posted
This fan is worth the splurge!! It's quiet compared to all other fans and I love how easy it is to use. It can easily cool the room too. The magnetic remote is also amazing because there's no fear of losing it. Also love how it had a purifier because less appliances are around the house
RobT Posted
I'm happy with the purchase, although the cost of the unit for what you get is quite high. The app used to control the unit and create a schedule is generally pretty user friendly, although it lacks a few features such as understanding how manual control does or does not override scheduled events. We use this unit in a bedroom that is a little under 200 sq ft. We're in a very dry climate, so humidifying the air is important for comfort. The unit does well up to about 50% humidity (15% higher than normal), but struggles to get much higher.
HODetroit Posted
Got this for a kitchen renovation and the ensuing formaldehyde gasses from the new cabinets. Honestly, I could never tell it was cleaning the formaldehyde because the levels never got very high despite the new cabinets. But it seems to be doing its job. The air cleaner and smells are less than I expected from the construction. The unit itself is really well made. And the software is really good, very smooth, and allows you to control everything. It is, however, large and unless your decor is spaceship modern, it will stand out. Because location matters, you cannot hide it in a corner either. Overall, I am pretty pleased.
TrevorD Posted
If you don’t use distilled water, this product will eventually lose its humidity function….unless somehow all the sediment and microbial life are removed from your water in another fashion. It’s a losing battle. If you get the two year plan, depending on your water, this product will probably stop working 1 yr to 2 yrs from purchase. Then you come right in and swap it out or do like I did - use the money to upgrade your computer and boil a pot of water like everyone else if your place is too dry.
Astrostarcrazy Posted
We got three of them to put around the house and like them mostly because I didn't think there was anything better, not really because I truly liked them. The app is great and they make me feel like I live in a futuristic house. However even when two are close to each other, their readings don't quite match and show air quality in our house is erratic throughout the day and night (fluctuating between green and low yellow levels) when I haven't been doing anything differently, which makes me not trust the readings. I thought $1k purifiers would be a little more precise. They're not the best looking things and take up a good amount of space which is something to keep in mind.
RomanM Posted
Great humidifier/air purifier. Modern and trendy looks. Easy to work with. It does the job quietly in the corner of the room. Very happy with this purchase
Posted
Hi Roman, thank you for providing your great feedback! We are extremely glad to hear you are pleased with the performance of your Dyson - Purifier Humidify + Cool Formaldehyde - PH04. We are committed to developing the highest quality products and providing our customers with excellent service. Comments from consumers help us to improve the quality of our products and services. We would also like to learn more so we can learn ways to improve future services. If you have any additional questions or concerns, please email us at askdysonUS@dyson.com. Dyson wishes you great health and Joy!
Verma Posted
This is my first time buying an purifier. Being allergic to pollen, after reading about all the purifiers available in the market, I decided to buy an Dyson's 3 in 1 system. No doubt, it's little pricey. The quality speaks for itself. The design amazed everyone who see this first time. It's easy to unbox and install.
TylanH Posted
I believe this has been one of the best purchases I’ve made due to its ability to humidify, and remove pollutants from a large size room. The sensors automatically detect germs and other tiny particle microns that many other purifiers can’t detect!
Vision23 Posted
Dyson does it again! This is an amazing machine that cleans the air that we breathe inside. After going all day and not knowing what you're inhaling this is a must. Take control of your health. Its a lil pricey but worth it...
JosephP Posted
In a league of its own. Quickly cleanses the air and humidifies. Easy to operate and control on line. I wish it were Apple HomeKit compatible, but can be added to Apple home via homebridge.
Lesly0519 Posted
Really great machine, a bit bulky but it performs well and very quietly
Mahdniss Posted
This is so much. Over than I thought it would be. My first one failed, but it was a shelf sitter for quite some time. Second one has worked great. Sleeping so much nicer despite the dry winter air. I would prefer less plastic, but you can’t have everything.
Mikee Posted
This machine is really nice, easy to use and easy to refill. Love that it humidifies without producing mist to fall on the floor/furniture! Unfortunately, the first one we ordered for shipping from Best Buy was obviously opened previously and was missing the filters. So had to return it at a store about 30 minutes away for a replacement. The main living area of our home is about 900 square feet in the dry climate of Colorado. Had hoped to find a humidifier to bump the humidity in the main area. Unfortunately, running this machine at full speed and highest humidity setting, with all other room doors closed only bumps the humidity by about 2-4% in this large area (using a humidistat to monitor). It is a little loud running at speed 10, annoying like a fan. At speed 6 or lower it is pretty quiet, but then the humidifier is less effective. In a smaller area, I am sure we would be elated. But it does not perform to my expectations in the large area, given the price. Still a great machine though and we will continue using it for the marginal humidity improvement.