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Levoit Core 600S Smart True HEPA vs Honeywell HPA300 HEPA Air Purifier

Levoit Core 600S Smart True HEPA leads 5 to 1 on the 6 rankable specs, but Honeywell HPA300 HEPA Air Purifier costs $50 less.

Catalog as of September 1, 2026

Why, in numbers

  • CADR: Levoit Core 600S Smart True HEPA lists 410 CFM (Smoke), 400 CFM (Dust), 420 CFM (Pollen) (Levoit sheet, 2026-09-02); Honeywell HPA300 HEPA Air Purifier lists 300 CFM (Smoke), 320 CFM (Dust), 300 CFM (Pollen) (Honeywell sheet, 2026-09-02).
  • Coverage area: Levoit Core 600S Smart True HEPA lists 1,588 sq ft (2 air changes/hr) / 635 sq ft (5 air changes/hr) (Levoit sheet, 2026-09-02); Honeywell HPA300 HEPA Air Purifier lists 465 sq ft (4.8 air changes/hr) / 2,250 sq ft (1 air change/hr) (Honeywell sheet, 2026-09-02).
  • Room size: Levoit Core 600S Smart True HEPA lists Extra-large spaces, open-concept homes, basements (Levoit sheet, 2026-09-02); Honeywell HPA300 HEPA Air Purifier lists Extra large rooms, master suites, open spaces up to 465 sq ft (4.8 ACH) (Honeywell sheet, 2026-09-02).
  • Filter types: Levoit Core 600S Smart True HEPA lists 3-Stage True HEPA (Pre-filter + H13 True HEPA + High-efficiency Custom Carbon) (Levoit sheet, 2026-09-02); Honeywell HPA300 HEPA Air Purifier lists Type A Activated Carbon Pre-filter + 3× Type R True HEPA filters (Honeywell sheet, 2026-09-02).
  • Filter life: Levoit Core 600S Smart True HEPA lists 6–12 months depending on air quality (Levoit sheet, 2026-09-02); Honeywell HPA300 HEPA Air Purifier lists 3 months (Pre-filter) / 12 months (True HEPA filters) (Honeywell sheet, 2026-09-02).

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

Levoit Core 600S Smart True HEPA
$2995 spec wins
Swap

Compare a different air purifier

Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Levoit Core 400S$219Coway Airmega AP-1512HH Mighty$229Blueair Blue Pure 311i Max$229Blueair 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
$2491 spec win
Swap

Compare a different air purifier

Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Levoit Core 400S$219Coway Airmega AP-1512HH Mighty$229Blueair Blue Pure 311i Max$229Blueair 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: 5 to 1

Buy the Levoit Core 600S Smart True HEPA.

  • Leads 5 of 6 rankable overall specs; Honeywell HPA300 HEPA Air Purifier takes 1.
  • CADR: 410 CFM vs 300 CFM
  • Coverage area: 1,588 sq ft vs 465 sq ft
  • Honeywell HPA300 HEPA Air Purifier is $50 cheaper. Pay the difference only if cadr matters to you.
5 Levoit Core 600S Smart True HEPA6 rankable of 11 specsHoneywell HPA300 HEPA Air Purifier 1

Deal-breakers

tick what would make you walk away

  • row

    Louder than normal conversation at full speed.

    Clear:Levoit Core 600S Smart True HEPA · 26 dB (QuietKeap Sleep mode) – 55 dB (H…Trips:Honeywell HPA300 HEPA Air Purifier · 38 dB (Low) – 58 dB (Turbo)
  • row

    Undersized for an open-plan living area.

    Clear:Levoit Core 600S Smart True HEPA · 1,588 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

410 CFM (Smoke), 400 CFM (Dust), 420 CFM (Pollen)

Honeywell

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

Coverage area

Levoit

1,588 sq ft (2 air changes/hr) / 635 sq ft (5 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 600S Smart True HEPA

Upfront list price$299
3-Yr High-capacity HEPA filter (Every 12 months (~$65/yr))+$195
3-Year Estimated Total$494

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

Requires 12 in perimeter airflow space

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

Standard sleep speed

Honeywell

30 dB lowest fan speed (noticeable background white noise)

Unit Footprint & Dimensions

Levoit

Standard room purifier footprint

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 600S Smart True HEPA$2995 wins
Honeywell HPA300 HEPA Air Purifier$2491 win

Performance

leads 2-0
Performance specifications. Middle column is Levoit Core 600S Smart True HEPA, right column is Honeywell HPA300 HEPA Air Purifier.
CADR410 CFM (Smoke), 400 CFM (Dust), 420 CFM (Pollen) (wins this row: higher)300 CFM (Smoke), 320 CFM (Dust), 300 CFM (Pollen)
Room sizeExtra-large spaces, open-concept homes, basementsExtra large rooms, master suites, open spaces up to 465 sq ft (4.8 ACH)
Coverage area1,588 sq ft (2 air changes/hr) / 635 sq ft (5 air changes/hr) (wins this row: higher)465 sq ft (4.8 air changes/hr) / 2,250 sq ft (1 air change/hr)

Filters

leads 1-0
Filters specifications. Middle column is Levoit Core 600S Smart True HEPA, right column is Honeywell HPA300 HEPA Air Purifier.
Filter types3-Stage True HEPA (Pre-filter + H13 True HEPA + High-efficiency Custom Carbon)Type A Activated Carbon Pre-filter + 3× Type R True HEPA filters
Filter life6–12 months depending on air quality (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 600S Smart True HEPA, right column is Honeywell HPA300 HEPA Air Purifier.
Noise levels26 dB (QuietKeap Sleep mode) – 55 dB (High) (wins this row: lower)38 dB (Low) – 58 dB (Turbo)
Energy consumption49 W max (Energy Star verified)130 W max power consumption
Smart featuresVeSync App, Alexa & Google Assistant voice integration, custom schedulesNo (manual touch controls with 2/4/8 hr auto-off timer)
Air quality sensorsAirSight Plus laser dust sensor (PM2.5 real-time numerical display)No automated air quality sensors (filter replacement indicators)

Design & Ownership

2 differences
Design & Ownership specifications. Middle column is Levoit Core 600S Smart True HEPA, right column is Honeywell HPA300 HEPA Air Purifier.
Weight13.7 lb (6.2 kg) (wins this row: lower)17.0 lb (7.7 kg)
Warranty2 years5 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 600S Smart True HEPA 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 600S Smart True HEPA

High-efficiency smart vortex air purifier with VortexAir 3.0 technology cleaning up to 1,588 sq ft in 30 mins.

  • Exceptional CADR performance at an unbeatable sub-$300 price
  • Ultra-quiet 26 dB Sleep mode with display light shutoff
  • Feature-rich VeSync mobile app with voice assistant control

What you give up

  • Activated carbon filter layer is thinner for heavy smoke odors
  • Large cylindrical form factor requires space
Full Levoit Core 600S Smart True HEPA 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 600S Smart True HEPA.

  • Leads 2 of 2 rankable bedrooms specs.
  • Noise levels: 26 dB vs 38 dB
  • Weight: 13.7 lb vs 17.0 lb
  • Honeywell HPA300 HEPA Air Purifier is $50 cheaper. Pay the difference only if noise levels matters to you.

Big rooms & allergies

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

For big rooms & allergies, buy the Levoit Core 600S Smart True HEPA.

  • Leads 3 of 3 rankable big rooms & allergies specs.
  • CADR: 410 CFM vs 300 CFM
  • Coverage area: 1,588 sq ft vs 465 sq ft
  • Honeywell HPA300 HEPA Air Purifier is $50 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. Honeywell HPA300 HEPA Air Purifier is cheaper.

  • The 2 rankable low running cost specs split 1 to 1.
  • Saves $50 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 600S Smart True HEPA spec sheetHoneywell HPA300 HEPA Air Purifier spec sheet

Manufacturer pages: Levoit Core 600S Smart True HEPA ↗ · Honeywell HPA300 HEPA Air Purifier ↗

Common questions

Which is cheaper, the Levoit Core 600S Smart True HEPA or the Honeywell HPA300 HEPA Air Purifier?

Honeywell HPA300 HEPA Air Purifier costs $50 less at list price.

What is the biggest catch with the Levoit Core 600S Smart True HEPA 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 600S Smart True HEPA or the Honeywell HPA300 HEPA Air Purifier?

For bedrooms, buy the Levoit Core 600S Smart True HEPA. Leads 2 of 2 rankable bedrooms specs. Noise levels: 26 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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