Is Dyson’s $900 Air Purifier Worth Buying? Here’s What You Need to Know

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If I had to name two of my go-to bedroom essentials, they'd be an air purifier and a humidifier, especially during the winter. Not only can homes get stuffy during the colder months but the dry air that comes along with the season can take a toll on your skin. So, when Dyson launched a three-in-one air purifier, humidifier, and fan — the Purifier Humidify+Cool Formaldehyde — I quickly jumped at the opportunity to test it out.

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I've had the Dyson Purifier Humidify+Cool Formaldehyde since 2021, and it's a product I still use every single day. I don't have any major complaints and am still always fascinated by how the quality of air really changes, whether it's from lighting a candle or someone cooking in the kitchen. However, the price is a more than understandable setback that would make anyone question whether it's worth the investment.

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Interested in learning more? Read on for my experience with the Dyson Purifier Humidify+Cool Formaldehyde.

​(While I did receive the Purifier Humidify+Cool Formaldehyde in exchange for an honest review, all of the following thoughts and opinions are my own and are not influenced by Dyson in any way.)

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What's so special about the Dyson Purifier Humidify+Cool Formaldehyde?

The first of its kind for Dyson, the Purifier Humidify+Cool Formaldehyde (starting at $919.99) is a multifunctional machine that purifies, humidifies, and cools the air with a fan, all while detecting and getting rid of formaldehyde. It utilizes H13 HEPA filtration with a carbon filter that captures 99.97% of particles as small as 0.3 microns in size, UV-C technology to remove 99.9% of bacteria in its water tank, and Air Multiplier technology to distribute humidified air throughout your space.

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The machine has an ultra-sleek design that comes in white and gold or nickel and gold combinations. It stands at 36.33 inches high, 12.28 inches in length, and 11.02 inches wide, and it weighs 18 pounds. It comes with a filter and matching remote, which allows you to control the airflow speed and direction, humidity, oscillation, timer, and night mode.

It can also be controlled anywhere with the convenient Dyson Link app. Not only does it have all the features of the remote control but it also shows you the room's air quality in real-time. On the app, you can access data such as the overall air quality, room temperature, humidity level, volatile organic compounds (VOCs), particulate matter (from smoke to pollen), nitrogen dioxide, and oxidizing gases. And if you have other smart devices, it can be voice-controlled with Amazon Alexa, Siri, and Google Assistant.

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What are the pros and cons of the Dyson Purifier Humidify+Cool Formaldehyde?

Pros

  • Multifunctional as an air purifier, humidifier, and fan
  • In-depth data on indoor air quality
  • Can control via remote or app

Cons

  • Expensive
  • Slightly large

Pros

The Dyson Purifier Humidify+Cool Formaldehyde is multifunctional at its finest. Instead of having to find room for a fan, humidifier, and air purifier, it combines all the features into one device. When I first got the product, I had it in my bedroom and was able to put away the air purifier and humidifier I already had. While I liked having it in my room, I moved it to the living room since there was more space for it there. For a few days, I went without an air purifier and humidifier and then reintroduced them back into my room. But after moving the Dyson out of my room, I noticed how much drier my skin felt and looked when matched against a very dry and cold late fall in New England.

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Another pro for this Dyson purifier is having all this data on indoor air quality that I would otherwise never really think about or have access to. Sometimes, I would catch myself checking the Dyson app for fun to see what the air quality was like and to try different things to see how it would be affected. For example, I lit a scented holiday candle, and while the air quality was still considered "good," the VOCs went up slightly. Then when I lit incense, the air quality became "very poor," and the device (which was set on auto humidify and air purify) worked overtime to fix it.

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Cons

The biggest setback for me is the hefty price tag. It can be borderline painful to spend over $900 on a single device. However, the brand does offer financing and monthly payments if needed. The second con is the size. When the box arrived at my door, I had no idea it would be as big as it is and would say that it's much better suited for larger rooms than smaller ones. I also have to add that when I moved the Purifier Humidify+Cool Formaldehyde from a smaller bedroom to my living room, it required more water tank refills since it was working with a bigger space.

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And to address the elephant in the room: the 3.5-star rating (out of 5 stars) on the Dyson site. Even though I personally haven't experienced any issues with my Dyson, out of 67 reviewers, only 59% recommend the purifier. Some issues that customers have reported include:

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  • The smell of mold:‌ According to the brand, there shouldn't be any type of mold or musty smell coming from the unit, but it can happen if water is sitting in the machine too long. A customer service rep recommended running a deep-clean cycle to resolve the issue.
  • A high-pitched noise:‌ Some customers have said they've noticed a humming or high-pitched noise from the unit. Customer support recommends checking to see if the filter is blocked or misaligned and if the loop amplifier is damaged.

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Is the Dyson Purifier Humidify+Cool Formaldehyde worth it?

Image Credit: Pauline Lacsamana/Hunker

I can honestly say that I didn't think I could be so obsessed with this air purifier/humidifier/fan combo and would love to have multiple units in my home if I could. I recommend it to anyone who wants to maintain and track top-notch air quality indoors, especially if you live in an area that tends to be warm year-round since it has a cooling feature. (If you deal with all seasons, check out our review on the Dyson Pure Hot+Cool Cryptomic air purifier that heats and cools).

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As the first Dyson product I've ever owned, I can confirm that the brand (and specifically the Purifier Humidify+Cool Formaldehyde) is worth the hype. But if it's not in your budget, that's totally understandable. Check out even more air purifiers we've tested and reviewed.

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