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Deal.ai › Levoit › Air Purifiers
Levoit
Levoit PlasmaPro 400S Smart True HEPA Air Purifier

Levoit PlasmaPro 400S Smart True HEPA Air Purifier

5(1,300 ratings)

Best price now

$239.99at Best BuyObserved at 10:42 PM

Compared across 12 stores. Prices are checked against each store and labelled with when.

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Our take on the Levoit PlasmaPro 400S Smart True HEPA Air Purifier

The Levoit PlasmaPro 400S is a tower-style smart True HEPA air purifier with a 3-stage filter, an ionizer, and app, voice and remote control. Levoit rates it for rooms up to 403 sq ft, with a CADR around 234–260 CFM and noise from 22 dB on low to 52 dB on high. Its best new price is $129.95 at eBay as of November 7, 2026, with 13 stores selling it new.

Best forBedrooms and home offices up to about 400 sq ftAlexa and Google Assistant householdsAllergy and pet-odor sufferersBuyers who want app scheduling and auto mode
Pros
  • True HEPA plus carbon filtration for dust, pollen and odors
  • PlasmaPro ionization adds an extra filtration stage
  • Quiet 22 dB low setting for bedrooms
  • Wi-Fi app control with Alexa and Google Assistant
  • Compact 11 lb tower with a digital display and remote
Cons
  • Ionizer must be off to guarantee ozone-free operation
  • Replacement filters are a recurring cost
  • 52 dB on high is noticeable in small rooms
  • Coverage claims assume low air changes per hour

Levoit PlasmaPro 400S Smart True HEPA Air Purifier prices at every store

  • The Home DepotNew

    In stock

    $239.99Free shippingObserved at 10:42 PM
    Visit The Home Depot
  • ChewyNew

    In stock

    $239.99Free shippingObserved at 10:42 PM
    Visit Chewy
  • Best BuyNew

    In stock

    $239.99Observed at 10:42 PM
    Visit Best Buy
  • TargetNew

    In stock

    $239.99Observed at 10:42 PM
    Visit Target
  • Chewy.comNew

    In stock

    $239.99Observed at 10:42 PM
    Visit Chewy.com
  • WayfairNew

    In stock

    $249.99Observed at 10:42 PM
    Visit Wayfair
  • StaplesNew

    In stock

    $289.99Observed at 10:42 PM
    Visit Staples
  • WalmartNew

    In stock

    $289.99Observed at 10:42 PM
    Visit Walmart
  • Kohl'sNew

    In stock

    $289.99Observed at 10:42 PM
    Visit Kohl's
  • Macy'sNew

    In stock

    $483.99Observed at 10:42 PM
    Visit Macy's
  • Lowe'sNew

    Out of stock

    $239.99Observed at 10:42 PM
    Visit Lowe's
  • BelkNew

    Out of stock

    $289.95Observed at 10:42 PM
    Visit Belk

Also available at

  • eBayCheck price at eBay
  • A-OK Power EquipmentCheck price at A-OK Power Equipment
  • Bloomingdale'sCheck price at Bloomingdale's

Store links may earn us a commission. Some prices via Klarna.

Levoit PlasmaPro 400S Smart True HEPA Air Purifier price history

Lowest price we've seen: $195.99 on Nov 8 at A-OK Power Equipment. Tracked across 14 stores since Nov 8.

What reviewers say

  • 5 / 51,300 ratings

Rated 5 out of 5 from 1,300 ratings, buyers are largely satisfied with the 400S. They praise quiet operation, easy app setup and cleaner-feeling air in bedrooms and offices.

What people mention
  • NoiseMixedOwners find low and sleep modes near silent but high speed loud enough to notice.
  • App controlPraisedSetup and scheduling through the app and Alexa or Google are described as easy.
  • FiltrationPraisedBuyers report less dust and fewer odors in bedrooms and offices.
  • Filter costCriticisedSome owners dislike the ongoing price of replacement filters.
  • IonizerMixedThe PlasmaPro ionizer is a plus for some, but others keep it off over ozone concerns.

Specifications

Coverage Area
363 ft2 (4.8 ACH)
Automatic Shutoff
Yes
Timer
Yes
Air Purification Type
PlasmaPro Technology, 3-Stage Filtration
CADR Rating
234 CFM
Filter Type
Carbon filter, 3-Stage Filtration
HEPA Filter
Yes

Questions and answers

What size room does the 400S handle?
Levoit rates it for up to 403 sq ft, or 363 sq ft at 4.8 air changes per hour. Smaller rooms get faster cleaning.
Does it work with Alexa and Google Assistant?
Yes. It connects over Wi-Fi and supports both, plus a remote and the Levoit app.
Is it ozone-free?
Levoit says it is ozone-free when the ionization function is switched off. Turn PlasmaPro off if that matters to you.
How often do filters need replacing?
Levoit typically recommends every 6 to 8 months, depending on use and air quality. The app tracks filter life.
Is $129.95 a good price?
That is the best new price across 13 stores as of November 7, 2026, and it is low for a smart HEPA purifier of this size. Check the filter is included at that price.
Where is the Levoit PlasmaPro 400S Smart True HEPA Air Purifier cheapest?
At Best Buy, for $239.99, as of our latest check.
What do buyers say about the Levoit PlasmaPro 400S Smart True HEPA Air Purifier?
Rated 5 out of 5 from 1,300 ratings.
Where can I buy the Levoit PlasmaPro 400S Smart True HEPA Air Purifier?
15 stores we checked sell it, including The Home Depot, Chewy, Best Buy, Target, Chewy.com.

Stores we've priced the Levoit PlasmaPro 400S Smart True HEPA Air Purifier at

  • Belk deals and prices
  • Best Buy deals and prices
  • Bloomingdale's deals and prices
  • Chewy.com deals and prices
  • Home Depot deals and prices
  • Kohl's deals and prices
  • Lowe's deals and prices
  • Macy's deals and prices
  • staples.com deals and prices
  • Target deals and prices
  • Walmart deals and prices
  • Wayfair deals and prices

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All Levoit deals and products →
Ionic Filtration
Yes
Odor Absorbing
Yes
Permanent Filter
No
Filter Highlights
HEPA Filter
App Control
Yes
Assistant Support
Amazon Alexa, Google Assistant™
Remote Control
Yes
Color
White, Black
Portability
Yes
Shape
Tower
Design Highlights
With Digital Display
Depth
10.8 in
Height
20.5 in
Weight
11 lb
Width
10.8 in
Noise Level
22–52 dB
Ozone Free
Yes (when ionization function is switched off)