Compare Coway Airmega 250S vs Coway Airmega Mighty2 AP-1512N

P1 Coway Airmega 250S
P2 Coway Airmega Mighty2 AP-1512N

Comparison Takeaways

Coway Airmega 250S

Where It Has the Edge

  • voice assistant compatibility is 4.6 vs 1.0. Voice assistant support was reliable in testing and worked with Alexa or Google Assistant.
  • app connectivity is 3.8 vs 1.3. The app was useful for controls, schedules, and air-quality data, but HouseFresh and the video review reported annoying...
  • portability is 4.0 vs 2.0. Portability was acceptable thanks to handles, though the purifier's weight kept scores from being uniformly high.
  • room coverage is 5.0 vs 3.8. Room coverage was a major strength, with reviewers emphasizing effective large-room purification.

Coway Airmega Mighty2 AP-1512N

Where It Has the Edge

  • filter life is 5.0 vs 3.1. Filter life was praised in WIRED because the Mighty2 filters last a year and twice as long as...
  • noise level is 4.8 vs 3.6. Noise level was one of the strongest areas, with reviewers repeatedly calling it nearly silent, virtually undetectable, or...
  • filter replacement cost is 3.7 vs 2.6. Filter cost feedback was mixed: longer filter life could offset the price, but combined HEPA/carbon replacement and the...
  • size and footprint is 3.8 vs 3.0. The footprint was generally compact and living-room friendly, but one reviewer found the square body awkward and another...
Average score
Product 1: Coway Airmega 250S
4.2
Product 2: Coway Airmega Mighty2 AP-1512N
4.0
activated carbon filter
Product 1: Coway Airmega 250S
4.5

The pelleted activated carbon was treated positively for odors and gases, though direct VOC outcome evidence was not opinionated.

Product 2: Coway Airmega Mighty2 AP-1512N
3.5

Evidence was mixed: one reviewer disliked replacing combined carbon and HEPA filters together, while another credited the filter with odor, smell, and gas removal.

air changes per hour
Product 1: Coway Airmega 250S
4.0

The air-change evidence was favorable, with the review framing the 4X rate as cleaning a room every 15 minutes.

Product 2: Coway Airmega Mighty2 AP-1512N
4.0

Air changes were praised in smaller spaces and versus the Core 300, but Breathe Quality warned the 1,800-square-foot claim drops to only one exchange per hour.

air purification performance
Product 1: Coway Airmega 250S
4.5

All reviewers with performance judgments found the purifier capable, especially at top speed or in large spaces, though value and quiet-speed performance created caveats.

Product 2: Coway Airmega Mighty2 AP-1512N
4.4

Reviewers generally found purification strong, with fast real-world improvements and smoke or particle clearing, though one lab-style review called the result merely decent.

air quality sensor accuracy
Product 1: Coway Airmega 250S
4.0

Sensor accuracy evidence was limited but positive, with one review saying the inlet design can improve the sensor's accuracy.

Product 2: Coway Airmega Mighty2 AP-1512N
4.5

Sensor accuracy was strong where tested, with one reviewer checking it against a separate AQI sensor and another saying it improved Auto mode precision.

allergen reduction
Product 1: Coway Airmega 250S
4.5

Allergen evidence was positive, including broad allergen removal claims and a user-reported reduction in pollen aggravation.

Product 2: Coway Airmega Mighty2 AP-1512N
4.5

Allergen-related evidence was limited but positive, centered on reduced pet dander during shedding season.

app connectivity
Product 1: Coway Airmega 250S
3.8

The app was useful for controls, schedules, and air-quality data, but HouseFresh and the video review reported annoying logouts.

Product 2: Coway Airmega Mighty2 AP-1512N
1.3

App connectivity was a clear weakness because reviewers repeatedly noted the absence of an app, Wi-Fi connectivity, or remote connected control.

auto mode performance
Product 1: Coway Airmega 250S
4.5

Auto, Smart, Rapid, and Eco behavior was generally praised for hands-off operation and useful ramp-up or energy-saving behavior.

Product 2: Coway Airmega Mighty2 AP-1512N
4.3

Auto mode earned positive marks for adjusting fan speed with little intervention and responding more precisely to changing air quality.

build quality
Product 1: Coway Airmega 250S
5.0

Build quality drew strong agreement, with reviewers praising materials and an overall step up in construction.

Product 2: Coway Airmega Mighty2 AP-1512N
No score yet
CADR rating
Product 1: Coway Airmega 250S
3.5

CADR evidence was mixed: the rating was useful and faster than some Coway models, but still lower than some 200-series competitors.

Product 2: Coway Airmega Mighty2 AP-1512N
4.3

CADR evidence was positive for bedroom-scale use and similar to other Mighty models, though not presented as a dramatic class-leading jump.

child lock
Product 1: Coway Airmega 250S
4.0

Child lock evidence was limited but positive, framed as useful for homes with curious children.

Product 2: Coway Airmega Mighty2 AP-1512N
4.0

Child lock was mentioned as one of the convenient manual-control features.

design and appearance
Product 1: Coway Airmega 250S
4.1

Design was polarizing: several reviewers loved the retro look and materials, while PCMag called it less modern and bulky.

Product 2: Coway Airmega Mighty2 AP-1512N
4.0

Design was mostly praised as modern, stylish, and less prone to collecting fur, though one review called the redesign subtle rather than revolutionary.

display readability
Product 1: Coway Airmega 250S
4.5

Display readability evidence was positive, with the AQI light bar described as easy to see.

Product 2: Coway Airmega Mighty2 AP-1512N
3.8

Display feedback was mixed: one reviewer found the touchscreen dim, while others liked instant air-quality readability and numerical indicators.

durability
Product 1: Coway Airmega 250S
4.7

Durability evidence was favorable, with reviewers calling the unit built to last and well made.

Product 2: Coway Airmega Mighty2 AP-1512N
No score yet
dust removal
Product 1: Coway Airmega 250S
4.5

Dust removal evidence was positive, mainly from PCMag's broad air-cleaning assessment.

Product 2: Coway Airmega Mighty2 AP-1512N
4.5

Dust removal was praised in pet and litter-box settings, with reviewers seeing less residual litter dust and less dust around the litter area.

energy efficiency
Product 1: Coway Airmega 250S
4.5

Energy-efficiency evidence was positive, citing Eco behavior, low rated wattage, and expected efficiency for a newer model.

Product 2: Coway Airmega Mighty2 AP-1512N
4.3

Energy efficiency evidence was positive, tied to sensor-driven operation and a claimed energy-saving Eco mode.

fan speed options
Product 1: Coway Airmega 250S
2.0

Fan speed options were a repeated weakness because reviewers wanted more settings between quiet and loud operation.

Product 2: Coway Airmega Mighty2 AP-1512N
No score yet
filter availability
Product 1: Coway Airmega 250S
4.0

Filter availability evidence was positive but limited, with the video review noting generic filters as a lower-cost option.

Product 2: Coway Airmega Mighty2 AP-1512N
No score yet
filter life
Product 1: Coway Airmega 250S
3.1

Filter life evidence was mixed: one review said the filter can last a year, while HouseFresh emphasized possible twice-yearly changes.

Product 2: Coway Airmega Mighty2 AP-1512N
5.0

Filter life was praised in WIRED because the Mighty2 filters last a year and twice as long as the previous model's filters.

filter replacement cost
Product 1: Coway Airmega 250S
2.6

Filter replacement cost was mixed to negative, with HouseFresh and the video review criticizing high running costs despite one review liking the $79 filter price.

Product 2: Coway Airmega Mighty2 AP-1512N
3.7

Filter cost feedback was mixed: longer filter life could offset the price, but combined HEPA/carbon replacement and the higher replacement price added caveats.

filter stages
Product 1: Coway Airmega 250S
4.3

Filter-stage evidence was positive, with reviewers praising the Max2 system and bonded filter approach.

Product 2: Coway Airmega Mighty2 AP-1512N
4.0

Filter-stage design was mixed-to-positive, with larger/all-in-one filters seen as practical but combined HEPA/carbon replacement disliked by one reviewer.

handle design
Product 1: Coway Airmega 250S
4.3

Handle design was consistently appreciated because the purifier is heavy enough that side grips matter.

Product 2: Coway Airmega Mighty2 AP-1512N
No score yet
HEPA filtration
Product 1: Coway Airmega 250S
4.3

HEPA filtration evidence was positive through praise for the Max2 filter system.

Product 2: Coway Airmega Mighty2 AP-1512N
3.5

HEPA filtration was supported by Breathe Quality's particle-capture test, but that review still placed the result behind several competitors.

indicator lights
Product 1: Coway Airmega 250S
4.1

Indicator evidence was positive, covering the easy-to-see AQI bar and filter reminders.

Product 2: Coway Airmega Mighty2 AP-1512N
3.5

Indicator-light feedback was split between confusing color coding and easier instant readability with numerical or color-coded indicators.

maintenance ease
Product 1: Coway Airmega 250S
4.6

Maintenance was a strength overall, especially the easy pre-filter access, washable design, and improved front-panel approach.

Product 2: Coway Airmega Mighty2 AP-1512N
4.8

Maintenance ease was consistently strong, with filters and pre-filters described as easy to remove, clean, vacuum, and reinstall.

mold spore reduction
Product 1: Coway Airmega 250S
4.0

Mold reduction evidence was positive but limited, coming from PCMag's home-particle removal recommendation.

Product 2: Coway Airmega Mighty2 AP-1512N
No score yet
noise level
Product 1: Coway Airmega 250S
3.6

Noise opinions were split: some found it barely audible or bedroom-friendly, while HouseFresh criticized weak quiet-speed cleaning.

Product 2: Coway Airmega Mighty2 AP-1512N
4.8

Noise level was one of the strongest areas, with reviewers repeatedly calling it nearly silent, virtually undetectable, or very quiet.

odor reduction
Product 1: Coway Airmega 250S
4.5

Odor reduction evidence was positive, with cooking smells reduced and pelleted carbon praised for odors and gases.

Product 2: Coway Airmega Mighty2 AP-1512N
4.0

Odor reduction evidence was positive but not deeply tested; reviewers cited a substantial difference around smoke, pets, and gas/odor filtration.

particle removal effectiveness
Product 1: Coway Airmega 250S
4.1

Particle removal evidence was strong at top speed and in PCMag testing, but quieter-speed results were less impressive in HouseFresh evidence.

Product 2: Coway Airmega Mighty2 AP-1512N
4.4

Particle removal was strongly supported by quick PM reductions and smoke clearing, though one review called the measured capture rate decent rather than best-in-class.

pet dander removal
Product 1: Coway Airmega 250S
4.5

Pet dander and fur evidence was positive but limited, with SlashGear reporting less pet fur build-up.

Product 2: Coway Airmega Mighty2 AP-1512N
4.5

Pet dander removal was supported by one reviewer's report of reduced dander during shedding season.

PM2.5 detection
Product 1: Coway Airmega 250S
4.8

PM2.5 detection evidence was positive in PCMag testing, where the purifier immediately surfaced a high PM2.5 reading.

Product 2: Coway Airmega Mighty2 AP-1512N
4.8

PM2.5 detection was praised when checked against another sensor and when it gave the reviewer confidence that small smoke and odor particles were being filtered.

pollen removal
Product 1: Coway Airmega 250S
4.5

Pollen evidence was positive, including PCMag's removal claim and SlashGear's report of less pollen aggravation.

Product 2: Coway Airmega Mighty2 AP-1512N
No score yet
portability
Product 1: Coway Airmega 250S
4.0

Portability was acceptable thanks to handles, though the purifier's weight kept scores from being uniformly high.

Product 2: Coway Airmega Mighty2 AP-1512N
2.0

Portability was weak because the unit lacks wheels and was described as an awkward square shape to move.

power consumption
Product 1: Coway Airmega 250S
4.4

Power consumption evidence was positive, with low estimated annual costs and a more efficient fan motor noted.

Product 2: Coway Airmega Mighty2 AP-1512N
5.0

Power consumption was praised as very low at 56 watts in the Breathe Quality review.

pre-filter quality
Product 1: Coway Airmega 250S
5.0

Pre-filter quality drew strong praise from HouseFresh and its video review.

Product 2: Coway Airmega Mighty2 AP-1512N
4.3

Pre-filter quality was positive, with reviewers finding the washable or vacuumable pre-filter practical for pet-heavy homes.

real-time air quality monitoring
Product 1: Coway Airmega 250S
4.3

Real-time monitoring was a useful smart feature across app and onboard evidence, with history and live air-quality information highlighted.

Product 2: Coway Airmega Mighty2 AP-1512N
4.8

Real-time monitoring was a major strength, giving reviewers peace of mind and a better understanding of their indoor air.

reliability
Product 1: Coway Airmega 250S
No score yet
Product 2: Coway Airmega Mighty2 AP-1512N
4.5

Reliability evidence was positive but limited, with features working as expected and particle levels staying low during testing.

room coverage
Product 1: Coway Airmega 250S
5.0

Room coverage was a major strength, with reviewers emphasizing effective large-room purification.

Product 2: Coway Airmega Mighty2 AP-1512N
3.8

Room coverage was mixed: reviewers saw strong apartment or bedroom results, while Breathe Quality considered the 1,800-square-foot claim overly optimistic.

scheduling options
Product 1: Coway Airmega 250S
4.7

Scheduling was praised as a useful connected feature, especially for limiting fan speed during TV or daily routines.

Product 2: Coway Airmega Mighty2 AP-1512N
4.3

Scheduling options were useful where tested, with the timer working as expected and being grouped with convenient manual controls.

size and footprint
Product 1: Coway Airmega 250S
3.0

Size and footprint were mixed: some liked the shallower design, while others found it heavy, wide, or bulky.

Product 2: Coway Airmega Mighty2 AP-1512N
3.8

The footprint was generally compact and living-room friendly, but one reviewer found the square body awkward and another noted it is wider than a small purifier.

sleep mode
Product 1: Coway Airmega 250S
4.4

Sleep mode evidence was positive, with reviewers describing low-power or quieter nighttime operation.

Product 2: Coway Airmega Mighty2 AP-1512N
4.5

Sleep mode was praised for automatic dark-room behavior and for putting itself to sleep repeatedly in smart mode.

smart features
Product 1: Coway Airmega 250S
4.3

Smart features were a strength overall, combining app controls, air-quality data, voice support, Eco behavior, and scheduling.

Product 2: Coway Airmega Mighty2 AP-1512N
4.3

Smart features were useful despite no app, especially the sensor-driven modes and real-time air insight.

smoke removal
Product 1: Coway Airmega 250S
4.5

Smoke removal evidence was positive but limited, mainly from PCMag's broad removal claim and incense-based testing context.

Product 2: Coway Airmega Mighty2 AP-1512N
4.5

Smoke removal was strong in WIRED's smoke test and CNET's apartment smoke context, with fast clearing and adequate filtration reported.

true HEPA filter
Product 1: Coway Airmega 250S
4.0

True HEPA evidence was positive through the reviewed Max2 filter praise.

Product 2: Coway Airmega Mighty2 AP-1512N
3.5

True HEPA evidence came from Breathe Quality's particle-capture result, though that same review said competing purifiers performed better.

value for money
Product 1: Coway Airmega 250S
3.3

Value was mixed: PCMag liked the reasonable large-room price, while other reviewers found better performance or lower costs elsewhere.

Product 2: Coway Airmega Mighty2 AP-1512N
3.8

Value was mixed-to-positive: reviewers liked the capability for the price, but CNET and Breathe Quality noted cheaper or stronger rivals.

VOC reduction
Product 1: Coway Airmega 250S
No score yet
Product 2: Coway Airmega Mighty2 AP-1512N
4.0

VOC-related evidence was limited to Breathe Quality's gas-removal assessment of the combined filter.

voice assistant compatibility
Product 1: Coway Airmega 250S
4.6

Voice assistant support was reliable in testing and worked with Alexa or Google Assistant.

Product 2: Coway Airmega Mighty2 AP-1512N
1.0

Voice assistant compatibility was a weakness because CNET explicitly noted the lack of voice assistant support.

washable pre-filter
Product 1: Coway Airmega 250S
4.8

The washable pre-filter was praised for practical cleaning, including rinse-and-reuse access.

Product 2: Coway Airmega Mighty2 AP-1512N
4.3

The washable pre-filter was praised as practical, vacuumable, and simple to clean.

Wi-Fi reliability
Product 1: Coway Airmega 250S
4.5

Wi-Fi reliability evidence was positive but limited, with PCMag reporting quick app command response.

Product 2: Coway Airmega Mighty2 AP-1512N
No score yet