Head to head
Levoit Core 400S vs Coway Airmega AP-1512HH Mighty
They split the 4 rankable specs evenly, so cost decides it: Levoit Core 400S costs $10 less.
Catalog as of September 1, 2026
Why, in numbers
Swap
Compare a different air purifier
Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Blueair Blue Pure 311i Max$229Honeywell HPA300 HEPA Air Purifier$249Levoit 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$799Swap
Compare a different air purifier
Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Blueair Blue Pure 311i Max$229Honeywell HPA300 HEPA Air Purifier$249Levoit 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$799Buying for
Straight answer
Overall: 2 to 2
Tied overall. Levoit Core 400S is cheaper.
- The 4 rankable overall specs split 2 to 2.
- Saves $10 at list price.
At a glance
The handful of numbers that decide most purchases in this category.
CADR
Levoit
260 CFM / 442 m³/h (Smoke), 260 CFM (Dust), 260 CFM (Pollen)
Coway
233 CFM (Smoke), 246 CFM (Dust), 240 CFM (Pollen)
Coverage area
Levoit
403 sq ft (5 air changes/hr) / 990 sq ft (2 air changes/hr)
Coway
361 sq ft (4.8 air changes/hr) / 874 sq ft (2 air changes/hr)
True 3-Year Cost of Ownership (TCO)
Levoit Core 400S
Coway Airmega AP-1512HH Mighty
Room Placement & Bedroom Noise Check
Physical clearance required for airflow, wall placement, and bedroom noise levels.
Wall Clearance Required
360° intake requires 15 in perimeter clearance from walls
Front-intake design: can sit almost flush against walls (leaves floor space open)
Nighttime Sleep Mode Noise
24 dB quiet sleep mode
24.4 dB lowest speed (vital ionizer can be toggled off)
Unit Footprint & Dimensions
Mid-sized cylinder (10.8 × 10.8 × 20.5 in; 11.0 lb)
Boxy square unit (16.8 × 18.3 × 9.6 in; 12.3 lb)
The 90-Day Owner Regret Check
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Levoit: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
Coway: What to watch for
- Hardware Quirk
Ionizer ("Vital Ion") produces negligible ozone and should be disabled.
Performance
leads 2-0| CADR | 260 CFM / 442 m³/h (Smoke), 260 CFM (Dust), 260 CFM (Pollen) (wins this row: higher) | 233 CFM (Smoke), 246 CFM (Dust), 240 CFM (Pollen) |
|---|---|---|
| Room size | Bedrooms, apartments, mid-size living spaces | Bedrooms, home offices, medium living rooms |
| Coverage area | 403 sq ft (5 air changes/hr) / 990 sq ft (2 air changes/hr) (wins this row: higher) | 361 sq ft (4.8 air changes/hr) / 874 sq ft (2 air changes/hr) |
Filters
2 differences| Filter types | 3-Stage: Nylon Pre-filter + H13 True HEPA + High-Efficiency Activated Carbon | 4-Stage: Washable Pre-filter + Deodorization Carbon + True HEPA + Vital Ion |
|---|---|---|
| Filter life | 6–12 months | 12 months (True HEPA) / 6 months (Carbon) |
Usability & Smart
4 differences| Noise levels | 24 dB (Sleep mode) – 52 dB (High mode) | 24 dB (Low) – 53 dB (Turbo high) |
|---|---|---|
| Energy consumption | 38 W max power consumption | 77 W max (Energy Star verified, 4.9W in Eco mode) |
| Smart features | VeSync Wi-Fi App, Amazon Alexa, Google Assistant voice control | Smart Auto Mode + Eco Mode (no Wi-Fi app) |
| Air quality sensors | AirSight Plus Laser Dust Sensor with PM2.5 numerical display and 4-color ring | Air quality particle sensor with 3-color real-time LED indicator |
Design & Ownership
leads 2-0| Weight | 14.1 lb (6.4 kg) | 12.3 lb (5.6 kg) (wins this row: lower) |
|---|---|---|
| Warranty | 2 years limited warranty | 3 years limited manufacturer warranty (wins this row: higher) |
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
Pick this one if
Coway Airmega AP-1512HH Mighty
Award-winning compact 4-stage True HEPA air purifier with Vital Ionizer and energy-saving Eco mode.
- 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
What you give up
- No Wi-Fi connectivity or mobile smartphone app
- Ionizer feature produces trace ozone if left enabled
Best for each use
Bedrooms
Too close to call on bedrooms from the spec sheets. Only weight is rankable here.
Big rooms & allergies
For big rooms & allergies, buy the Levoit Core 400S.
Low running cost
Too close to call on low running cost from the spec sheets. Only warranty is rankable here.
Done deciding?
Open the full standalone spec sheet for either device.
Manufacturer pages: Levoit Core 400S ↗ · Coway Airmega AP-1512HH Mighty ↗
Common questions
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.