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Levoit Core 400S vs Coway Airmega AP-1512HH Mighty

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What matters most to you?

Start with all rankable specifications, or focus on a particular use.

Your starting point

Tied overall. Levoit Core 400S is cheaper.

  • The 4 rankable overall specs split 2 to 2.
  • Saves $10 at list price.
How we reached this

We compare the published specifications relevant to your priority. Each rankable specification counts once; your selected requirements can rule a product out. This is a guide to the numbers, not a laboratory performance score.

The trade-off to know

Levoit Core 400S: Coverage is sized for medium bedrooms and living rooms (under 1,000 sq ft)

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What would rule one out?

Select the requirements you can’t compromise on.

Side by side

The differences, in detail.

Start with the key specs, then explore as much as you need.

Levoit Core 400S versus Coway Airmega AP-1512HH Mighty, 5 specifications
What you’re comparingLevoit Core 400SCoway Airmega AP-1512HH Mighty
CADRPerformance260 CFM / 442 m³/h (Smoke), 260 CFM (Dust), 260 CFM (Pollen)233 CFM (Smoke), 246 CFM (Dust), 240 CFM (Pollen)
Room sizePerformanceBedrooms, apartments, mid-size living spacesBedrooms, home offices, medium living rooms
Coverage areaPerformance403 sq ft (5 air changes/hr) / 990 sq ft (2 air changes/hr)361 sq ft (4.8 air changes/hr) / 874 sq ft (2 air changes/hr)
Filter typesFilters3-Stage: Nylon Pre-filter + H13 True HEPA + High-Efficiency Activated Carbon4-Stage: Washable Pre-filter + Deodorization Carbon + True HEPA + Vital Ion
Filter lifeFilters6–12 months12 months (True HEPA) / 6 months (Carbon)

Showing 5 of 11 specifications. Missing values stay unlisted. About the sources

Both sides of the decision

What you gain. What you give up.

Levoit Core 400S

Reasons to choose it

  • 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

Worth considering

  • 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

Coway Airmega AP-1512HH Mighty

Reasons to choose it

  • High smoke and particulate filtration efficiency in a compact footprint
  • Eco Mode powers off fan automatically after 30 minutes of clean air
  • Washable pre-filter extends the life of internal carbon and HEPA filters

Worth considering

  • No Wi-Fi connectivity or mobile smartphone app
  • Ionizer feature produces trace ozone if left enabled

Beyond the spec sheet

Living with your choice.

Explore the ownership details available for this pair.

What three years could cost

Upfront price + 3 years of consumables, fees & essential add-ons
The longer-term difference: While the Levoit is cheaper upfront, the Coway saves $35 over 3 years due to lower consumable & maintenance costs.

Levoit Core 400S

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

Coway Airmega AP-1512HH Mighty

Upfront list price$229
3-Yr HEPA + 2x carbon pack (Annual filter pack (~$30/yr))+$90
3-Year Estimated Total$319

Room Placement & Bedroom Noise Check

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

Size & fit

Wall Clearance Required

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

Levoit

360° intake requires 15 in perimeter clearance from walls

Coway

Front-intake design: can sit almost flush against walls (leaves floor space open)

Nighttime Sleep Mode Noise

Levels below 25 dB are virtually silent for light sleepers.

Levoit

24 dB quiet sleep mode

Coway

24.4 dB lowest speed (vital ionizer can be toggled off)

Unit Footprint & Dimensions

Levoit

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

Coway

Boxy square unit (16.8 × 18.3 × 9.6 in; 12.3 lb)

Everyday ownership notes

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

Before you decide

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.

Coway: What to watch for

  • Hardware Quirk

    Ionizer ("Vital Ion") produces negligible ozone and should be disabled.

    Many asthma and allergy sufferers immediately toggle the optional ionizer off to ensure completely emission-free mechanical HEPA filtration.

Know what’s behind the comparison

Published specs. Visible sources.

Clinchmark compares manufacturer specifications and other published information. We have not independently lab-tested these products. Editorial assessments and unknown values are identified in the specification details.

Catalog snapshot: September 1, 2026. Prices, availability, and provider terms can change.

Still weighing it up?

Which is cheaper, the Levoit Core 400S or the Coway Airmega AP-1512HH Mighty?

Levoit Core 400S costs $10 less at list price.

What is the biggest catch with the Levoit Core 400S or Coway Airmega AP-1512HH Mighty?

Coway Airmega AP-1512HH Mighty has this deal-breaker: no Wi-Fi app. No schedules or remote control from your phone.

Which is better for bedrooms, the Levoit Core 400S or the Coway Airmega AP-1512HH Mighty?

Too close to call on bedrooms from the spec sheets. Only weight is rankable here. Noise levels: 24 dB vs 24 dB Smart features: VeSync Wi-Fi App, Amazon Alexa, Google… vs Smart Auto Mode + Eco Mode

What cannot be compared from spec sheets?

Of the 11 specs tracked here, 7 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.

A few other possibilities.