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Levoit Core 300S review

The cheapest way to get an app and auto mode, for one bedroom.

Updated 24 September 2026Prices checked August 2026How we rate
Levoit Core 300S air purifier
Budget bedroom
4.0/ 5$149

Good for

  • One bedroom up to 18 m²
  • App and auto mode on a budget
  • Low filter costs

Not for

  • Living rooms
  • Heavy smoke in anything but a small room

Verdict

A lab-tested 145 m³/h is enough for a single bedroom, and you get the same app, scheduling and quiet sleep mode as the bigger 400S. Filters are cheap at about $65 a year.

It's a small unit and behaves like one. For anything bigger, get the 400S.

Specs and running cost

Price$149
Realistic roomUp to 18 m²
Clean-air rate (CADR)About 145 m³/h, lab tested
Filter3-stage, HEPA-type with carbon
Filters a year$65
Three-year cost$431
Noise24 dB in sleep mode

Three-year cost includes the unit, filters and power at 12 hours a day. Change the settings.

How big a room?

ProblemAir changes an hourRoom it handles
Everyday dust320 m²
Pollen and allergies415 m²
Smoke or asthma512 m²

At a 2.4 m ceiling. Check your own room.

How it handles Perth's air

Watch out

Like the 400S, Levoit no longer states a HEPA grade. Past about 18 m² it struggles.

Alternatives

Set a filter reminder
Sources