Levoit Core 300S-P Smart WiFi True HEPA Air Purifier

Levoit Core 300S-P Smart WiFi True HEPA Air Purifier

By Levoit · Air Purifiers · Home & Workspace

  • True HEPA 3-stage filtration, 99.97% of 0.3 micron particles
  • Covers up to 1096 sq ft, AHAM VERIFIDE
  • 24dB sleep mode with display off
  • VeSync app and voice control
  • Sleek 8.7-inch cylindrical body, 12dB quiet operation

Lowest price seen
~$89.99 (approx.)
from $89.99 at Amazon

Prices are snapshots. Check the current price with the store.

Summary

A compact smart air purifier for small rooms, with a PM2.5 sensor, auto mode and Wi-Fi control through the VeSync app. Two things to check first: Levoit no longer uses the “HEPA” wording in its own materials, and the headline room-size figure assumes a very low one air change per hour.

Strengths

  • Quiet in low and sleep modes; the sleep rating is low enough for a bedroom.
  • Clears a small room fast: independent testing emptied a 728 ft³ test room of particles in 45 minutes at top speed.
  • Auto mode and the real-time air-quality wheel save fiddling.
  • The VeSync app covers schedules, timers, history and filter-life tracking, with Alexa and Google voice control.
  • Third-party filters are common, so you are not locked to one supplier.
  • Compact and light at 5.95 lb, easy to move between rooms.

Weaknesses

  • Replacement filters are the top owner complaint over the life of the unit.
  • The activated-carbon layer is thin, so serious odors and VOCs are not its strength.
  • The sensor reads PM2.5 particles only; it cannot show VOC or formaldehyde levels.
  • The pre-filter is bonded into the cartridge and cannot be washed separately.
  • Some owners report a high-pitched or chirping fan noise in auto and sleep modes.
  • Levoit dropped the word “HEPA” from its own materials in 2023, so treat “True HEPA” in listings with suspicion.

Verified specifications

ModelCore 300S (sold as the Core 300S-P; “-P” is a variant suffix).
Filtration3-stage cartridge — pre-filter, particle filter, activated carbon.
SensorAirSight Plus real-time PM2.5 scanning.
Air movementchanges a 1,051 ft² room at 1 air change per hour, or 219 ft² at 4.8 ACH.
CADR141 CFM (240 m³/h) claimed.
Noise22–50 dB claimed; as low as 22 dB in sleep mode.
PowerAC 120V, 60Hz; rated 23 W.
Dimensions8.7 × 8.7 × 14.2 in (22 × 22 × 36 cm).
Weight5.95 lb (2.7 kg).
Operating conditions14–104°F (-10–40°C), humidity under 85% RH.
Filter life6–8 months, with a check-filter indicator.
SmartVeSync app, Amazon Alexa and Google Assistant voice control; 2.4 GHz Wi-Fi.
Controlsauto, sleep, 1–24 hour timer, display lock.
In the boxpurifier, 3-stage filter (pre-installed), user manual, quick-start guide. No remote.
Warranty2-year limited, 30-day money-back guarantee.
Full research notes and sources

Filtration and the HEPA question

Levoit describes a 3-stage cartridge: a pre-filter, a main particle filter and an activated-carbon layer, marketed for dust, pollen, pet dander, pet fur, household odors and VOCs, and ozone-free. In 2023, after a National Advertising Division challenge filed by Dyson, Levoit stripped the word “HEPA” from its branding, packaging and marketing instead of defending the label. Levoit’s own current page now says only “3-stage filtration”, even though retailer titles still say “True HEPA”. Independent testing shows the filter cleans well, so the issue is the wording rather than the performance. The carbon layer is thin, though, and HouseFresh says it does not carry enough activated carbon for serious odors or VOCs.

Room size, noise and measured performance

Levoit’s headline is 1,051 ft², but that figure is for just one air change per hour; the realistic rating is 219 ft² at 4.8 air changes per hour. HouseFresh, which bought its own unit, measured CADR at 134 CFM for dust, 126 CFM for smoke and 154 CFM for pollen, against Levoit’s 141 CFM claim. It cleared a 728 ft³ room of fine particles in 45 minutes at top speed, about 15 minutes faster than the older Core 300. Measured noise was 38.9 dB on low, 45.7 dB on medium and 54.5 dB on high at three feet, and power draw ran 5.9 W, 9.8 W and 21.8 W across the three speeds, with 1.7 W on standby.

Running costs and filters

HouseFresh puts running cost at about $79.43 a year: roughly $24.44 of electricity running 24/7 at top speed plus about $54.99 for two genuine filters. Original filters run about $20.29 to $25.99, higher-spec versions such as Pet Care, Toxin Absorber and Smoke Remover about $35.99 to $39.99, and you should budget for two a year since a cartridge lasts 6–8 months. HouseFresh tested Pureburg generic filters, about $24 for two, and found they cleaned a little slower but used pelleted activated carbon like the genuine ones — a way to cut long-term cost. There is no subscription, and the VeSync app is free.

Ownership, upkeep and noise reports

Maintenance is simple: vacuum the outer filter fabric, since the pre-filter cannot be removed, and keep the sensor on the back unobstructed and dust-free. There is no user-serviceable motor or fan, so treat it as a consumable appliance. Common snags are resetting the red filter light, pairing the VeSync app over a 2.4 GHz network, and leaving the filter’s plastic wrap in place, which causes a burning smell. Owners are majority positive: aggregated owner data has 72% of 82 recommending it, with filter cost the top complaint and a minority faulting the sensor or reporting high-pitched, chirping fan noise. Those noise reports look unit-specific rather than universal.

Is it worth it?

Levoit lists the Core 300S-P at $149.99, and Tom’s Guide notes the same £149.99 in the UK. Deals run lower: an owner reported buying one at Target on sale for $119, and typical street pricing sits around $100–$130. Near $100–$120 it is strong value for a small smart purifier with a good app and a very quiet sleep mode; at the $149.99 list it is merely fair, because HouseFresh notes the market has moved on and newer small purifiers and Levoit’s own Vital 100S clean faster for the same money. Above about $160 it is poor value, and for larger rooms or heavy odors you should step up to the Core 400S or a unit with more carbon. The reason to pay roughly $50 more than the plain Core 300 is the sensor, auto mode, Wi-Fi and voice control.

Which model this is

This page covers the Levoit Core 300S-P smart purifier, ASIN B089293ZW6, which is the smart Core 300S platform. It is not the older Core 300, which has no sensor, app or auto mode, nor the smaller Core 200S or the larger Core 400S and Core 600S. The similar-looking PlasmaPro 300S (for example the LAP-C302S) is a different model.

Sources

Manufacturer:

Independent reviews:

Owner reports:

Buying guides for this category

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