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Plus, it has a wireless charging dock.
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(We were surprised by how often we used this feature.)
you’re free to connect your Amazon Alexa or Google Home Assistant to control it via voice commands.
The IoCare app offers a convenient way to remotely monitor your home’s air quality levels, as well.
PHOTO: The Spruce / Henry Wortock
We experienced some initial frustrations trying to connect this air purifier to our home Wi-Fi.
Jeffrey Siegel, a professor of civil engineering at the University of Toronto.
The Levoit Core 400S is also convenient to operate.
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All of the functionality is in a refined, tower-like, metal design.
Notably, the Dyson PH04 houses a permanent catalytic filter that eliminates formaldehyde.
The app lets you view filter reminders, historical air quality data, and set cleaning schedules, too.
PHOTO: The Spruce / Dera Burreson
It offers a convenient app along with Google Assistant and Amazon Alexa voice connectivity for remote control and monitoring.
We found that it performs superbly at its lowest setting, filtering pet hair and smoke.
Just like the MinusA2, you could expect a sleek design and efficient operation from the A3.
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But it’s even quieter, and registers under 50 decibels for its first three levels.
Filters can be restocked as a one-time purchase or subscription, making maintenance really easy.
We especially love how unobtrusive this air purifier is.
It can even be mounted to a wall for the ultimate, built-in, home-maintenance gear.
The Blueair Blue Pure 411i Max impressed us with its quiet operation and compact design.
While the model is pretty straightforward, we recommend downloading the corresponding smartphone app.
The app also allows you to monitor air quality and remotely control all of the air purifier’s features.
We then light incense, and spread a mixture of sawdust, dirt, and flour.
We also spray a room spray.
If the air purifier has a sleep mode, we also see how noisy that is.
In general, smart air purifiers are much more expensive than regular, non-smart air purifiers.
More on Our Testing Process:Our process has evolved.
In general, air purifiers can cover spaces anywhere from 80 square feet to 1,600 square feet.
While larger machines tend to deliver more coverage area, form doesnt indicate how much coverage an appliance offers.
Generally speaking, the higher an air purifiers CADR, the faster it will work to clean the air.
PHOTO: The Spruce / Henry Wortock
And smart air purifiers dont necessarily have a higher CADR than regular air purifiers.
This is particularly the case because brands can market their products a bit confusingly.
The best interval for your home could be different, depending on your preferences and the air quality conditions.
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Some brands also offer custom filters that can be bought to target a specific concern.
Many brands also offer filter subscription services within the app or online for convenient maintenance.
For example, models that offer voice assistant support will require app integration.
Amazon Alexa and Google Assistant are the most common voice assistants you might work with.
Why Trust The Spruce?
She currently uses theClorox Tabletop Air Purifiera tiny model that doesn’t disrupt her sleepin her bedroom.
Our Experts:
How to Choose a Room Air Cleaner.Energy Star.
What Is A HEPA Filter?United States Environmental Protection Agency.
PHOTO: The Spruce / Dera Burreson
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Henry Wortock
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