Levoit 400S Air Purifier review (hands on)
Our Verdict
The Levoit Cadre 400S is the ideal air purifier: fashionable, placidity, efficient, inexpensive, vocalisation-assistant-uniform and surprisingly fun to use.
For
- Sleek and futuristic
- Rich feature set
- Easy to fix and transport
Against
- Filter replacement could get expensive
Tom'due south Guide Verdict
The Levoit Core 400S is the ideal air purifier: stylish, tranquillity, efficient, inexpensive, voice-banana-uniform and surprisingly fun to use.
Pros
- +
Sleek and futuristic
- +
Rich feature set
- +
Like shooting fish in a barrel to set up up and ship
Cons
- -
Filter replacement could go expensive
Levoit Core 400S: Specs
Room size: 400 foursquare feet
Filters: True HEPA + washable prefilter + carbon filter
CADR: 260 CFM
Speeds: V (incl. Sleep Manner)
Noise level: 24-52 dB
Warranty: ane yr, 2 years with registration
The Levoit brand of air purifiers has come to dominate the U.S. market with a series of bonny, reasonably priced models, and the Levoit Core 400S air purifier ($219) continues that tradition.
The unit is a sleek, minimalist cylinder that looks similar a cleaning robot from the future. Its automatic setting speeds the fan upward or down according to the cleanliness of your air, and the VeSync companion app lets you command the Levoit Core 400S with your smartphone or with Alexa or Google Assistant voice commands.
The unit connects to Wi-Fi, so you can fifty-fifty control information technology when out of the house. Equally indicated by its name, the Core 400S is rated for rooms of upward to 400 foursquare feet in size.
I haven't had a chance still to try out many other air purifiers — my but experience is a tiny bedroom unit that gets rather loud when it goes beyond its slowest speed — but I was very impressed with the Levoit Core 400S. It cleaned the air in my living room quickly and quietly, and was lovely to look at and easy to utilize. You tin can't ask for more than from a mid-priced, mid-sized unit, and information technology definitely deserves a identify among the best air purifiers.
Levoit Core 400S review: Price and availability
The Levoit Core 400S lists for $219, which is about the same every bit the similarly capable Coway AP-1512 HH Mighty. The Core 400S is available from Amazon, Walmart and from the Levoit website. Not many other retailers seem to exist stocking information technology as of July 2021, but that will undoubtedly change.
Replacement filters for the Core 400S toll $50 each. Continue in mind that you may have to supercede the filters as often equally every 6 months, so y'all should factor that into your air-cleaning budget.
Levoit Core 400S review: Pattern
The Levoit Core 400S is an attractive, minimalist white cylinder with round intake holes ringing the lesser half and a black output vent up top surrounding a black circular control panel with blue and white accents. The unit of measurement stands about 20.5 inches (52 cm) tall and is ten.5 inches (27 cm) in diameter. It weighs 11 pounds (5 kg). There are no wheels, but 2 indented handles are placed near the top of the unit, making it like shooting fish in a barrel to option upward and carry around.
Many of Levoit's other air purifiers take a similar pattern, only the Cadre 400S is larger (and more than expensive) than those. Notwithstanding, it'south smaller than the LV-H133 and LV-134, tall tapered cylinders designed for larger rooms.
All these Levoit models take like touch on-sensitive control panels up acme, just the Cadre 400S swaps out the power push button in the middle with something even more than useful: a color-coded indicator that tells you how make clean your air is. (The Levoit LV-134 besides has this.) It quantifies that in units of PM 2.5, or how many particles of 2.v micrometers or smaller are found in each cubic meter of air.
The Levoit Core 400S uses a three-layer cylindrical filter that retails for about $50 on its own. The instruction manual says you should vacuum the filter every 2 to 4 weeks. If you do that regularly, says the manual, you'll need to replace the entire filter near every six to 8 months. The accompanying VeSync app gives you a percentage judge of how much of your filter's working life is remaining, and includes a link to purchase a replacement directly from Levoit.
There's a pre-filter that catches larger particles such equally fur, visible dust and lint. A carbon layer "neutralizes" smoke, smells and fumes such every bit the volatile organic compounds that emanate from gasoline or new plastics.
The core layer is a HEPA-like filter designed to catch particles about 3 microns beyond. Levoit calls information technology an "H13 True HEPA" filter which supposedly "can achieve a better purification event than traditional full general HEPA," according to the filter'south Amazon folio.
We at Tom'due south Guide aren't able to scientifically test those claims at the moment, which is why this review is only a "hands-on" talking about my personal experience.
Levoit Core 400S review: Features
The Levoit Core 400S has five fan speeds, including a very quiet "sleep" speed and a rather loud "turbo" speed; a timer function that lets you set up the air purifier to run for upwardly to 12 hours more; and a "cheque filter" light to tell you when to clean or supersede your filter. You can also plow the display light off or even "lock" the display so that the purifier is controlled only via the smartphone app or Alexa.
The most useful feature, though, may exist the air quality sensor, which Levoit calls Airsight Plus and uses some kind of laser to mensurate the number of particles in the air. It then tells y'all what it's found using the PM2.five counter (explained above) and LED ring on the bear on screen.
When the air is very make clean and the indicator reads from zero to 35, the LEDs ringing the digit indicator are blue. A scrap dirtier, but yet fairly clean, up to 75, and the lights turn greenish. To a higher place that, they're xanthous until you become to about 120, at which point the lights plough red.
This may all sound gimmicky, just it's cool to see the air purifier actively cleaning the air rather than but having you trust that it will. For example, the counter tin go up to about 25 overnight if I switch off the Core 400S before going to bed. Ability it on in the forenoon, and in nearly an hr the unit of measurement will have that number back down to 1 or 2.
In late July 2021, smoke from large wildfires in California, Oregon and British Columbia drifted across the continent to the New York area, causing the Levoit to register over 35 i morning. (Information technology went down later I closed the windows.) A couple of days later, the air particulate count had dipped back to the single digits.
Even meliorate, yous tin fix the Levoit Core 400S into automated mode, during which it will adapt the fan speed accordingly — low for blueish and green air quality readings, higher for yellow and highest for cherry-red.
When I accidentally burned something on the stove, the air-quality indicator lights turned cerise, the PM2.5 readout went over 200, the fan revved upwards like a hot rod and the Levoit Core 400S sucked all the smoke out of the air in about 10 minutes.
Levoit Cadre 400S review: App
You tin control the Levoit Core 400S with the VeSync app, made by a sis firm to Levoit. Dissimilar the built-in control panel, the app lets yous set a schedule for the air purifier rather than just put information technology on a timer. Information technology also lets you set a timer for up to 24 hours rather than upward to 12 through the Core 400S' control console.
The main screen of the app tells y'all the air-cleanliness level in PM2.5, the fan setting and, through an animation, how fast the fan is spinning. A slide-up panel lets you lock and unlock the unit's control console, make up one's mind what kind of Auto Mode you want and ready up "scenes" — basically, scripts — to take the air purifier react to various scenarios.
I enabled the built-in "scene" to have the air purifier turn on if information technology detects more than 35 PM2.5 in the air. You can add more than "scenes" past selecting from a broad list of triggers and actions, including interacting with other devices made by sister companies that also use the VeSync app, including Etekcity smart bulbs and bath scales and Cosori air fryers and toaster ovens.
Sliding up the main screen of the app gives you an guess of remaining filter life, how long your air purifier has been running and how many cubic anxiety the air purifier has cleaned since you set information technology up.
My favorite part of the app has to be the graphs representing air cleanliness and fan speed for the past week, and how long the air purifier had been on in the previous weeks. I could conspicuously see the moment when I decided to stress the auto function by blowing out a candle and letting its smoke get sucked right into the filter. (The Levoit Core 400S fired up like a jet engine.)
The VeSync app also provides a conduit to permit the LeVoit Core 400S interact with Amazon Alexa and Google Assistant. I didn't have any Amazon Repeat or Google Home devices on paw, so I gear up up Alexa and Assistant on my phone instead. Google Assistant was a picayune easier to get started with, as there were fewer options, simply both involved me granting the assistant access to the VeSync account I had prepare upwards earlier. (More on that below.)
The voice administration are OK, merely every bit the Levoit Core 400S is a pretty simple device to utilise, there wasn't much to say also "Google, plough air purifier off" and "Alexa, turn Levoit 400S on." Google Assistant let me increase the fan speed, but didn't understand me when I tried to fix the speed dorsum to automatic; Alexa whiffed on both.
The VeSync app told me that I had to phrase voice commands a certain way and that I was doing it wrong. That'southward all correct — information technology's quicker and easier to just apply the app.
Levoit Core 400S review: Setup and ease of use
Unboxing the Levoit Core 400S was easy. The unit of measurement comes wrapped in a plastic pocketbook; you accept that off, turn the unit on its head and unscrew the circular lesser panel. Within is the air filter in its ain pocketbook.
Take the filter out of the purse, put information technology back in the air purifier, screw the bottom console dorsum on, flip the whole thing over and the physical part of the setup is done.
The Levoit Core 400S can be controlled entirely from the touch on panel on the top. You don't have to set up it up as a "smart" device at all, and you'll still be able to set a timer, cheque the air quality and put the unit of measurement in car mode. With the app, though, yous'll exist able to create a schedule for the air purifier and get readouts of activity and air quality over time.
Cleaning the Levoit Core 400S was piece of cake. As with the setup process, you lot but flip it over and unscrew the bottom panel. (Turn the unit off first.) The cylindrical air filter slides correct out.
After running the Levoit Cadre 400S for a few weeks, in that location was a thin film of lint covering the exterior of the filter, which happens to be the pre-filter layer. Levoit recommends vacuuming out the pre-filter with a soft-brush attachment, merely I was lazy and just took the filter outdoors and rubbed off the lint with my fingers.
Yous can access the inner core of the filter every bit well, but that'southward the carbon filter and Levoit recommends that you NOT vacuum that out too.
As for the residue of the unit, at that place was much else to clean. With a clammy cloth, I wiped down the exterior and the parts of the interior that I could reach and called it a day.
Levoit Core 400S review: Lesser line
I would have no trouble dropping $200 on a Levoit Core 400S, with or without its smart-dwelling house functions. Information technology's that simple. With its dynamic air-quality readout, automated speed function and the companion app'southward graphs and scheduling, this air purifier is also surprisingly fun to use.
The Levoit Cadre 400S does everything yous'd want an air purifier to practise, is piece of cake to make clean and maintain, doesn't make a lot of dissonance and looks nice in your living room too.
Source: https://www.tomsguide.com/reviews/levoit-core-400s
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