Customer reviews from Dyson
Dyson - Refurbished Excellent - Purifier Humidify + Cool Formaldehyde - PH04 - White/Gold
Average customer rating
3.7 out of 5
3.7
(138 Reviews)
Open Ratings Snapshot
Rating breakdown 138 reviews
5 Stars
74
4 Stars
12
3 Stars
14
2 Stars
11
1 Star
27
67%of customers recommend this product. 
(
77 out of 115
)
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Customer Reviews for Dyson - Refurbished Excellent - Purifier Humidify + Cool Formaldehyde - PH04 - White/Gold
Customer Rating
5 out of 5
5
Great product
on March 25, 2023
Posted by: Jason1979
Gender:Male
As always another great Dyson product. The auto setting works great, automatically adjusting depending upon the different things in the air.
I would recommend this to a friend!
Written by a customer while visiting Dyson
Customer Rating
1 out of 5
1
Disappointing and unacceptable
on March 14, 2023
Posted by: Lees2027
Gender:Male
My machine’s pump failed like so many others. I deep cleaned it when necessary and took every precaution to not get water on the contacts and it still failed. I attempted to get it replaced under warranty and Dyson doesn’t have any in stock and have no idea when they will receive more. So now I am waiting an unknown amount of time to use my machine again… My Dyson vacuums have been amazing. Their humidifier on the other hand is a huge disappointment and failure and their inability to provide replacement parts for a known issue is unacceptable.
No, I would not recommend this to a friend.
Response from DysonBy Dyson Customer SupportMarch 18, 2023
Hi there, this is Kelly with Dyson. Thank you for sharing this review. We love to hear and learn from our owners, even when we miss the mark on something, which is appears we have here. We would not anticipate that you'd experience a pump failure with your Purifier Humidify+Cool and it's unfortunate to know this occurred. We would be very happy to check stock availability for you; other options we do have are to check with our service centers or schedule a repair, if required. Please get in touch with us directly, at askdysonUS@dyson.com, and it would be our pleasure to provide further assistance.

Best wishes,
Kelly
Dyson Customer Support
Written by a customer while visiting Dyson
Customer Rating
1 out of 5
1
Humidifier Stopped Working:(
on March 1, 2023
Posted by: CKP1
I purchased a Dyson Purifier Humidify & Cool Formaldehyde at the end of 2022 and the humidifier has ceased functioning:(
My 2 & 1/2 month old Dyson Purifier Humidify & Cool Formaldehyde humidifier stopped working after a month of use. The water tank is full, it’s water level does not change even after running continuously for 24/7 on the 70% humidity setting. The humidity doesn’t exceed 53% while on the 70% humidity setting. The room size is tiny “10’2” X 13’. ”I ran a deep cleaning cycle with no change in the humidifiers status after the cleaning cycle. I purchased this Dyson Purifier Humidify & Cool Formaldehyde product primarily for the humidifier function. All I have now is a very expensive paper weight fan. I am extremely disappointed with this purchase!
No, I would not recommend this to a friend.
Response from DysonBy Dyson Customer SupportMarch 4, 2023
Hi there, this is Kelly with Dyson. Thanks for sharing your review here - we love to hear and learn from our owners. It's disappointing to know that your Purifier Humidify+Cool Formaldehyde™ PH04 stopped working after such a brief period of use. It does sound like from what you are describing here, that your machine is nor performing as intended. It sounds like your machine is still well within the two-year product guarantee, and we'd love to see what we do here for you, to get your machine working as it should be. Please reach out to our team directly at askdysonUS@dyson.com. It'd be our pleasure to help!

Best wishes,
Kelly
Dyson Customer Support
Written by a customer while visiting Dyson
Customer Rating
1 out of 5
1
Disappointed and probably returning
on March 1, 2023
Posted by: NoniH
Gender:Female
I bought this last week and I don't think it is pulling any water to humidify. Too I accidently hit the clean button that is right beside the power button that started an hour long clean cycle that also did not pull any water. I tried everything and even called support twice. The sale location would not return any of my calls. They used that flipping word "Unfortunately" that always tells me they are pure BS. I so want to love it but after seeing all these reviews I had better get my $$ back pronto.
No, I would not recommend this to a friend.
Response from DysonBy Dyson Customer SupportMarch 1, 2023
Hi there, this is Kelly with Dyson. We're sorry to hear that you seem to be having some trouble so soon with your Purifier Humidify+Cool Formaldehyde™ PH04. It sounds like from your review here, the machine got stuck in a deep cleaning session and isn't working correctly now? We would be more than happy to help resolve any issues that you may be having. Please feel free to get in touch with us at askdysonUS@dyson.com, and it would be our pleasure to help!

Best wishes,
Kelly
Dyson Customer Support
Written by a customer while visiting Dyson
Customer Rating
1 out of 5
1
humidity level never above 40%
on February 9, 2023
Posted by: lynn4111
Gender:Female
bought not only for the air purifying ability but strongly need the humidity. running on level 10 with 70% humidity, it has never gotten above 40%. in fact, when there are higher levels of humidity outside (80%) it is still only around that 40% mark. i have had to purchase additional humidifiers to run simultaneously to increase the level.
No, I would not recommend this to a friend.
Response from DysonBy Dyson Customer SupportFebruary 12, 2023
Hello,

Thank you for your review. This is Miella from Dyson. We're sorry to hear of your frustration with your Dyson PH04 Purifier Humidify+Cool machine.

The PH04 is designed to bring the machine to the set target humidity. In auto mode, this is 70%, in manual mode, it can be set to various targets. The time it takes for the machine to work the room to the target humidity depends on variable factors such as layout, current humidity, current pollutants in the air, ventilation, etc.

We'd value the opportunity to learn more about your experience with your Dyson as we'd like to help ensure you are having a 5-star experience. Please feel free to reach out to us at askdysonUS@dyson.com, and we will be in touch.

Best Wishes,
Miella
Dyson Customer Support
Written by a customer while visiting Dyson
Customer Rating
1 out of 5
1
Wanna breathe Toxic Moldy Air? Buy this humidifier
on February 6, 2023
Posted by: Dilip S
Gender:Male
I can’t believe I was breathing in moldy air this whole time. I’ve been using the PH04 normally every single day and have been noticing this frequent moldy smell coming from the unit. Today I found the reason and now I’m at a loss for words. This is highly dangerous, can’t believe Dyson would build something this faulty.
No, I would not recommend this to a friend.
User submitted photo
User submitted photo
Response from DysonBy Dyson Customer SupportFebruary 10, 2023
Hello Dilip, this is Kelly with Dyson. We're disheartened to see that you're having some trouble with your Dyson Purifier Humidify+Cool Formaldehyde™ PH04. If you haven't done so yet, please feel free to get in touch with us at askdysonUS@dyson.com, and we will be happy to assist you further.

Best wishes,
Kelly
Dyson Customer Support
Written by a customer while visiting Dyson
Customer Rating
1 out of 5
1
Frequent Moldy smell coming from the Unit
on January 30, 2023
Posted by: Aceninja
Gender:Male
I bought this 2 months ago and really wanted to love it. It’s smart, love the app features, the water tray has UV light purification so you don’t need to clean the tray ever (biggest selling point) and there is so much more to love….except for the musty, moldy smell coming from the unit. Yes it might have UVC light filtering the water tank, but I suspect the mold is growing on other parts of the unit, not serviceable by customer. If I turn off the humidifier feature the smell does go away, but it does come back frequently. And yes it’s a mold smell, kinda sour vinegary smell best associated with mold. Mr. Dyson: Please help.
No, I would not recommend this to a friend.
Response from DysonBy Dyson Customer SupportFebruary 3, 2023
Hello, this is Kelly with Dyson. Thank you for sharing your feedback here. There should not be any type of moldy or musty smell coming from your machine. However, if the water sits in the machine for too long - that can occur. We would suggest running a deep clean cycle to resolve that. 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
Written by a customer while visiting Dyson
Customer Rating
1 out of 5
1
Garbage!
on January 23, 2023
Posted by: GoDanes29
Just set this thing up. While the fan is ok the humidifier won’t recognize there is water in the tank! way to go Dyson .. over priced garbage. Sending this back this week.
No, I would not recommend this to a friend.
Response from DysonBy Dyson Customer SupportJanuary 24, 2023
Hi there, this is Kelly with Dyson. We're sorry to hear that you're having some trouble with your new Dyson Purifier Humidify+Cool Formaldehyde™ PH04. We would expect your Dyson to work as intended right out of the box, and it's certainly disappointing to hear that this is not the case. We'll be glad to help make this right. Please get in touch with us directly at askdysonUS@dyson.com.

Best wishes,
Kelly
Dyson Customer Support
Written by a customer while visiting Dyson
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