LEVOIT PlasmaPro 400S
Air Purifiers

PlasmaPro 400S

LEVOIT

Released Feb 1, 2023 · Analysis updated Feb 13, 2026

Smart air purifier covering large rooms up to 164 m² with quiet 22 dB operation, 38W efficiency, and app-controlled features including air quality and filter alerts. The LEVOIT PlasmaPro 400S scores 81/100 based on 3 expert reviews in the air purifiers category. Coverage includes reviews from Breathequality, Topconsumerreviews, and Versus.

Critic Score

What's this?
81

based on 3 expert reviews

BreathequalityTopconsumerreviewsVersus

Low confidence · only 3 reviews

Where to buy

amazon$181.97

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Pros

  • Quiet operation(2)
  • Future-proofed with smart features(2)

Cons

No cons extracted yet

3 Expert Reviews

83
Feb 3, 2023

The Levoit PlasmaPro 400S is essentially the Core 400S with PlasmaPro technology, offering solid performance and smart features but at a higher price point.

80
Feb 13, 2026

The LEVOIT PlasmaPro 400S Smart Air Purifier offers 3-stage filtration, smart controls, and quiet operation, with generally satisfactory performance for most everyday users.

79

The Levoit PlasmaPro 400S is a smart air purifier with a large recommended room size of 164 m2, quiet operation at 22 dB minimum, and energy-efficient performance at 38W.