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Head to head

Levoit Core 400S vs Honeywell HPA300 HEPA Air Purifier

They split the 6 rankable specs evenly, so cost decides it: Levoit Core 400S costs $30 less.

Catalog as of September 1, 2026

Why, in numbers

Manufacturer list price, not a live offer. Confirm current pricing before you buy.

Levoit Core 400S
$2193 spec wins
Swap

Compare a different air purifier

Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Coway Airmega AP-1512HH Mighty$229Blueair Blue Pure 311i Max$229Levoit Core 600S Smart True HEPA$299Blueair Blue Pure 211+ Auto$339Coway Airmega 250$399Coway Airmega 400$549Blueair Protect 7470i$649Alen BreatheSmart 75i Large Room Air Purifier$749Dyson Purifier Hot+Cool Formaldehyde HP09$799
Honeywell HPA300 HEPA Air Purifier
$2493 spec wins
Swap

Compare a different air purifier

Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Coway Airmega AP-1512HH Mighty$229Blueair Blue Pure 311i Max$229Levoit Core 600S Smart True HEPA$299Blueair Blue Pure 211+ Auto$339Coway Airmega 250$399Coway Airmega 400$549Blueair Protect 7470i$649Alen BreatheSmart 75i Large Room Air Purifier$749Dyson Purifier Hot+Cool Formaldehyde HP09$799

Buying for

Every rankable spec counts once. Pick a lens to score only what matters for your air purifier.

Straight answer

Overall: 3 to 3

Tied overall. Levoit Core 400S is cheaper.

  • The 6 rankable overall specs split 3 to 3.
  • Saves $30 at list price.
3 Levoit Core 400S6 rankable of 11 specsHoneywell HPA300 HEPA Air Purifier 3

Deal-breakers

tick what would make you walk away

  • row

    Louder than normal conversation at full speed.

    Clear:Levoit Core 400S · 24 dB (Sleep mode) – 52 dB (High mode)Trips:Honeywell HPA300 HEPA Air Purifier · 38 dB (Low) – 58 dB (Turbo)
  • row

    Undersized for an open-plan living area.

    Trips:Levoit Core 400S · 403 sq ftTrips:Honeywell HPA300 HEPA Air Purifier · 465 sq ft

At a glance

The handful of numbers that decide most purchases in this category.

2 of 2 differ

CADR

Levoit

260 CFM / 442 m³/h (Smoke), 260 CFM (Dust), 260 CFM (Pollen)

Honeywell

300 CFM (Smoke), 320 CFM (Dust), 300 CFM (Pollen)

Coverage area

Levoit

403 sq ft (5 air changes/hr) / 990 sq ft (2 air changes/hr)

Honeywell

465 sq ft (4.8 air changes/hr) / 2,250 sq ft (1 air change/hr)

True 3-Year Cost of Ownership (TCO)

Upfront price + 3 years of consumables, fees & essential add-ons

Levoit Core 400S

Upfront list price$219
3-Yr H13 True HEPA filter (Every 12 months (~$45/yr))+$135
3-Year Estimated Total$354

Honeywell HPA300 HEPA Air Purifier

Upfront list price$249
3-Yr 3x HRF-R3 HEPA + 4x Pre-filters (Annual full filter set (~$65/yr))+$195
3-Year Estimated Total$444

Room Placement & Bedroom Noise Check

Physical clearance required for airflow, wall placement, and bedroom noise levels.

Ergonomic & Spatial Check

Wall Clearance Required

Cylindrical 360° filters cannot sit flush against walls without choking intake.

Levoit

360° intake requires 15 in perimeter clearance from walls

Honeywell

Front grille intake: can back up close to baseboards

Nighttime Sleep Mode Noise

Levels below 25 dB are virtually silent for light sleepers.

Levoit

24 dB quiet sleep mode

Honeywell

30 dB lowest fan speed (noticeable background white noise)

Unit Footprint & Dimensions

Levoit

Mid-sized cylinder (10.8 × 10.8 × 20.5 in; 11.0 lb)

Honeywell

Large commercial-grade shell (20.8 × 22.3 × 10.8 in; 17.0 lb)

The 90-Day Owner Regret Check

Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.

Post-Purchase Truths

Levoit: What to watch for

  • Maintenance

    Requires periodic filter replacements to maintain airflow and odor capture.

    Activated carbon and HEPA media gradually saturate, needing replacement once or twice yearly depending on air pollution and pet shedding.

Honeywell: What to watch for

  • Maintenance

    Requires periodic filter replacements to maintain airflow and odor capture.

    Activated carbon and HEPA media gradually saturate, needing replacement once or twice yearly depending on air pollution and pet shedding.

Levoit Core 400S$2193 wins
Honeywell HPA300 HEPA Air Purifier$2493 wins

Performance

leads 2-0
Performance specifications. Middle column is Levoit Core 400S, right column is Honeywell HPA300 HEPA Air Purifier.
CADR260 CFM / 442 m³/h (Smoke), 260 CFM (Dust), 260 CFM (Pollen)300 CFM (Smoke), 320 CFM (Dust), 300 CFM (Pollen) (wins this row: higher)
Room sizeBedrooms, apartments, mid-size living spacesExtra large rooms, master suites, open spaces up to 465 sq ft (4.8 ACH)
Coverage area403 sq ft (5 air changes/hr) / 990 sq ft (2 air changes/hr)465 sq ft (4.8 air changes/hr) / 2,250 sq ft (1 air change/hr) (wins this row: higher)

Filters

leads 1-0
Filters specifications. Middle column is Levoit Core 400S, right column is Honeywell HPA300 HEPA Air Purifier.
Filter types3-Stage: Nylon Pre-filter + H13 True HEPA + High-Efficiency Activated CarbonType A Activated Carbon Pre-filter + 3× Type R True HEPA filters
Filter life6–12 months (wins this row: higher)3 months (Pre-filter) / 12 months (True HEPA filters)

Usability & Smart

leads 1-0
Usability & Smart specifications. Middle column is Levoit Core 400S, right column is Honeywell HPA300 HEPA Air Purifier.
Noise levels24 dB (Sleep mode) – 52 dB (High mode) (wins this row: lower)38 dB (Low) – 58 dB (Turbo)
Energy consumption38 W max power consumption130 W max power consumption
Smart featuresVeSync Wi-Fi App, Amazon Alexa, Google Assistant voice controlNo (manual touch controls with 2/4/8 hr auto-off timer)
Air quality sensorsAirSight Plus Laser Dust Sensor with PM2.5 numerical display and 4-color ringNo automated air quality sensors (filter replacement indicators)

Design & Ownership

2 differences
Design & Ownership specifications. Middle column is Levoit Core 400S, right column is Honeywell HPA300 HEPA Air Purifier.
Weight14.1 lb (6.4 kg) (wins this row: lower)17.0 lb (7.7 kg)
Warranty2 years limited warranty5 years manufacturer limited warranty (wins this row: higher)
Most rows are from the official spec sheet. Marked rows are other published figures or our summary, not lab tests we ran.
Levoit Core 400S source (opens in a new tab)Honeywell HPA300 HEPA Air Purifier source (opens in a new tab)

Which one should you buy

Pick this one if

Levoit Core 400S

Smart air purifier with H13 True HEPA filtration, AirSight Plus laser dust sensor, and VeSync app control.

  • Whisper-quiet 24 dB sleep mode with completely dimmable light display
  • AirSight Plus laser sensor provides real-time PM2.5 numerical readings
  • VeSync smartphone app with scheduling, filter life tracking, and voice control

What you give up

  • Coverage is sized for medium bedrooms and living rooms (under 1,000 sq ft)
  • Activated carbon layer is a coated sheet rather than heavy pellet bed
Full Levoit Core 400S specs →

Pick this one if

Honeywell HPA300 HEPA Air Purifier

Extra-large room True HEPA air purifier with Turbo Clean mode, dual-stage filtration, and AHAM Verifide CADR ratings for large rooms.

  • Powerful high-volume CADR (300+ CFM) for large rooms up to 465 sq ft
  • Certified True HEPA captures 99.97% of airborne particles
  • Durable workhorse build with touch-button controls

What you give up

  • High power consumption (up to 130W on Turbo)
  • No Wi-Fi app or smart automated air quality sensors
Full Honeywell HPA300 HEPA Air Purifier specs →

Best for each use

Bedrooms

Quiet nights: low-speed noise, sleep mode, schedules from your phone

For bedrooms, buy the Levoit Core 400S.

  • Leads 2 of 2 rankable bedrooms specs.
  • Noise levels: 24 dB vs 38 dB
  • Weight: 14.1 lb vs 17.0 lb
  • It is also $30 cheaper.

Big rooms & allergies

Open-plan rooms or allergies: CADR, coverage, filter grade

For big rooms & allergies, buy the Honeywell HPA300 HEPA Air Purifier.

  • Leads 2 of 3 rankable big rooms & allergies specs; Levoit Core 400S takes 1.
  • CADR: 300 CFM vs 260 CFM / 442 m³/h
  • Coverage area: 465 sq ft vs 403 sq ft
  • Levoit Core 400S is $30 cheaper. Pay the difference only if cadr matters to you.

Low running cost

Cheap to own: filter life, power draw, warranty

Tied on low running cost. Levoit Core 400S is cheaper.

  • The 2 rankable low running cost specs split 1 to 1.
  • Saves $30 at list price.

Every answer above is scored from published figures. A lens uses only the rows that matter for that use, including marked rows that are not on the official sheet. Switch lenses interactively in the panel above.

Done deciding?

Open the full standalone spec sheet for either device.

Levoit Core 400S spec sheetHoneywell HPA300 HEPA Air Purifier spec sheet

Manufacturer pages: Levoit Core 400S ↗ · Honeywell HPA300 HEPA Air Purifier ↗

Common questions

Which is cheaper, the Levoit Core 400S or the Honeywell HPA300 HEPA Air Purifier?

Levoit Core 400S costs $30 less at list price.

What is the biggest catch with the Levoit Core 400S or Honeywell HPA300 HEPA Air Purifier?

Honeywell HPA300 HEPA Air Purifier has this deal-breaker: over 55 dB on high. Louder than normal conversation at full speed.

Which is better for bedrooms, the Levoit Core 400S or the Honeywell HPA300 HEPA Air Purifier?

For bedrooms, buy the Levoit Core 400S. Leads 2 of 2 rankable bedrooms specs. Noise levels: 24 dB vs 38 dB

What cannot be compared from spec sheets?

Of the 11 specs tracked here, 5 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.

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