Air purifiers · Ranked #2 of 6 · Best for small rooms

Levoit Core 300S

85
Highly rated
Average of 5 professional reviews
5 of 5 recommend it · broad agreement
Where the 5 reviews landedRange 80–95
Score printed by the outlet Estimated from the verdict

Exact average 85.4 · 3 printed, 2 estimated · printed scores only: 85

Levoit Core 300SImage: Levoit

5 professional reviewers tested the Levoit Core 300S, and 5 recommend it. Most praised: quiet and app and smart features. Most common complaint: filter cost.

Reviewed by Air Purifier First, Tom's Guide, HouseFresh and 2 more

The catch: Auto mode reacts slowly, and it does little for odours.

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What 5 critics said

Highest score first · all converted to 0–100
  1. 95
    Air Purifier FirstHands-on review

    Rated one of the best small purifiers tested, with excellent particle and smoke removal, low running costs and strong value.

    Read Air Purifier First review
  2. 80
    Tom's GuideRated 4/5 · Hands-on review

    A simple, quiet and lightweight purifier that is good for everyday background use.

    Read Tom's Guide review
  3. 80
    HouseFreshHands-on review · 2026

    A good, efficient small-room smart purifier that is cheap to run, though newer rivals now offer better value.

    Read HouseFresh review
  4. 89est.
    TechRadarNo printed score · Hands-on review

    A well-balanced, affordable smart purifier with a very good app and quiet running.

    Read TechRadar review
  5. 83est.
    Trusted ReviewsNo printed score · Hands-on review · 2022

    A quiet, attractive purifier whose PM2.5 sensor and app add useful smart control at a sensible price.

    Read Trusted Reviews review

"Est." means the outlet printed no score, so we estimated one from its verdict and checked our estimates against ratings outlets print. How we check estimates

What critics praise most

Quiet3 of 5
App and smart features3 of 5
Ease of use3 of 5

What critics dislike most

Filter cost3 of 5

Other air purifiers critics rate highly

Levoit Vital 200SImage: Levoit
Top pick, narrowlyLevoit Vital 200S4 reviews · broad agreement87
Levoit Core 400SImage: Levoit
If you want an appLevoit Core 400S9 reviews · broad agreement84
Blueair Blue Pure 311i MaxImage: Blueair
Blueair Blue Pure 311i Max5 reviews · critics agree84
Winix 5500-2Image: Winix
Best value purifierWinix 5500-25 reviews · critics split83

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Common questions

Is the Levoit Core 300S worth it?

Most critics think so: 5 of 5 recommend it. Auto mode reacts slowly, and it does little for odours.

Do critics agree about the Levoit Core 300S?

Broad agreement: scores range from 80 (Tom's Guide) to 95 (Air Purifier First), a spread of 15 points across 5 reviews. Most reviewers land fairly close together.

What do critics dislike about the Levoit Core 300S?

Filter cost (3 of 5 reviews).

What is the best alternative to the Levoit Core 300S?

The Levoit Vital 200S (critic score 87), top pick, narrowly.