Coway Airmega 150

Coway Airmega 150 Review

Brand: Coway
Released: September 16, 2020
Updated: 5 hours ago
3.8
Consolidated expert score
161
Review insights
45
Scored features
8
Expert reviews

Bottom Line

Choose the Coway Airmega 150 for small rooms if you want quiet operation, simple controls, easy filter care, and low running costs. Skip it for larger rooms, strong odor/VOC problems, or app, timer, and child-lock needs.

Best for

Best for people who want a quiet, attractive, easy-maintenance purifier for bedrooms, small offices, or modest living spaces. It especially suits users who prefer simple controls over app setup.

Not for

Not for larger rooms, heavy smoke or odor/VOC problems, or buyers who want app control, scheduling, child lock, voice assistants, or stronger low-speed air changes.

Verdict

Reviewers portray the Coway Airmega 150 as a polished small-room purifier with real strengths in quiet operation, simple setup, easy pre-filter access, and low ownership costs. Test evidence is favorable for particle cleaning, especially in smaller spaces, with several reviews praising fast or excellent air-quality improvement. The tradeoff is that its style and convenience are stronger than its odor/VOC capability and low-speed cleaning power. Multiple reviewers criticize the carbon fabric or lack of pelletized carbon, and several note missing app, timer, child-lock, or fuller smart controls. It fits best as a simple, attractive everyday purifier rather than a high-output or smart-home centerpiece.

Compared in Reviews

Products reviewers directly compared with this model, grouped into quick takeaways.

  • Better: smart features The reviewer recommended the Levoit Vital 200S instead for shoppers who want more smart features.
  • Better: odor neutralization The reviewer said the Airmega 150 trails the Levoit Vital 200S for neutralizing cooking odors.
  • Better: air purification performance The reviewer expected more performance after comparing the Airmega 150 with the Levoit Vital 200S.
  • Worse: design and appearance The reviewer felt the Airmega 150 looks more design-forward than plain white devices such as the Levoit Core 300S.

Feature Scorecards

Summary

45 reviewed features
  • Very positive 4.5-5.0 31% 14 features
  • Positive 3.5-4.4 40% 18 features
  • Neutral 2.5-3.4 18% 8 features
  • Negative 1.5-2.4 11% 5 features
  • Very negative below 1.5 0% 0 features

Pros

  • 4.8
    based on 7 reviews
    maintenance ease: 4.8, based on 7 reviews
    Maintenance ease was a major strength across reviews, especially the slide-out washable pre-filter and simple setup or cleaning access.
  • 4.8
    based on 2 reviews
    ozone-free operation: 4.8, based on 2 reviews
    Reviewers treated ozone-free operation positively, noting the lack of ionizer or ozone-producing features.
  • 4.7
    based on 4 reviews
    pre-filter quality: 4.7, based on 4 reviews
    Pre-filter quality was a standout strength, especially the easy slide-out design and its role protecting inner filters.
  • 4.6
    based on 5 reviews
    energy efficiency: 4.6, based on 5 reviews
    Energy efficiency was consistently praised, with reviewers emphasizing low energy use and low long-term running costs.
  • 4.6
    based on 5 reviews
    power consumption: 4.6, based on 5 reviews
    Power consumption was a clear strength, with multiple reviewers praising very low running cost or energy draw.
  • 4.6
    based on 3 reviews
    HEPA filtration: 4.6, based on 3 reviews
    HEPA filtration was strongly praised as a key reason for particle-removal performance and pollutant reduction.
  • 4.6
    based on 3 reviews
    true HEPA filter: 4.6, based on 3 reviews
    The True HEPA filter was praised as high-quality and central to the unit’s strong particle performance.
  • 4.6
    based on 4 reviews
    washable pre-filter: 4.6, based on 4 reviews
    The washable pre-filter was widely praised for being easy to remove, rinse, clean, or reuse.
  • 4.6
    based on 5 reviews
    auto mode performance: 4.6, based on 5 reviews
    Auto mode was generally praised for reacting to changing air quality and adjusting fan speed without much user input.
  • 4.5
    based on 1 review
    allergen reduction: 4.5, based on 1 review
    One review framed the HEPA stage as extra family protection and suitable for allergy sufferers.
  • 4.5
    based on 1 review
    dust removal: 4.5, based on 1 review
    A reviewer’s home use found it highly effective against airborne dust as part of its particle-removal performance.
  • 4.5
    based on 1 review
    pollen removal: 4.5, based on 1 review
    A reviewer found it highly effective against pollen in home use, supporting a strong pollen-removal score.
  • 4.5
    based on 1 review
    reliability: 4.5, based on 1 review
    One review explicitly described the unit as reliable for bedrooms and living rooms.
  • 4.5
    based on 1 review
    sleep mode: 4.5, based on 1 review
    Sleep suitability was praised where silent mode and low noise made night use comfortable.
  • 4.4
    based on 3 reviews
    filter stages: 4.4, based on 3 reviews
    The three-stage, separate-filter setup was praised for practical filtration and for avoiding bonded filters.
  • 4.4
    based on 2 reviews
    portability: 4.4, based on 2 reviews
    Portability was generally positive because of low weight and ease of moving, though not every review agreed on handle convenience.
  • 4.3
    based on 8 reviews
    design and appearance: 4.3, based on 8 reviews
    Design was one of the strongest areas, with reviewers repeatedly calling it stylish, modern, compact, muted, or decor-friendly.
  • 4.3
    based on 5 reviews
    size and footprint: 4.3, based on 5 reviews
    Reviewers liked the compact footprint, small-room fit, and easy placement, even when coverage limitations remained.
  • 4.3
    based on 4 reviews
    filter life: 4.3, based on 4 reviews
    Filter life was viewed positively, with reviewers citing roughly 12-month HEPA life or especially long filter life versus peers.
  • 4.3
    based on 2 reviews
    particle removal effectiveness: 4.3, based on 2 reviews
    Particle-removal effectiveness was good in lab-style testing, with one average timed result and one very fast AQI/PM2.5 improvement.
  • 4.2
    based on 8 reviews
    noise level: 4.2, based on 8 reviews
    Noise was usually praised at low settings, but high-speed loudness created mixed scores in some reviews.
  • 4.1
    based on 7 reviews
    value for money: 4.1, based on 7 reviews
    Value for money was generally positive because of low running costs, decent performance, and simple usability, despite performance tradeoffs.
  • 4.1
    based on 4 reviews
    indicator lights: 4.1, based on 4 reviews
    Indicator lights were generally useful for air quality and filter reminders, though the system stays simple rather than data-rich.
  • 4.1
    based on 6 reviews
    air purification performance: 4.1, based on 6 reviews
    Particle-cleaning performance ranged from average to excellent depending on room, speed, and test method, with strongest results in smaller rooms.
  • 4.0
    based on 5 reviews
    real-time air quality monitoring: 4.0, based on 5 reviews
    Real-time monitoring was useful and responsive for everyday feedback, though one review cautioned about slower spike detection.
  • 3.9
    based on 4 reviews
    filter replacement cost: 3.9, based on 4 reviews
    Filter replacement cost was mixed but mostly favorable, with several reviewers calling costs reasonable or cheap and one calling cost a drawback.
  • 3.8
    based on 6 reviews
    build quality: 3.8, based on 6 reviews
    Build quality drew mixed reactions, from thin and plasticky in one review to solid, sturdy, and premium in others.
  • 3.8
    based on 6 reviews
    room coverage: 3.8, based on 6 reviews
    Room coverage was context-dependent: reviewers liked it for bedrooms and smaller rooms, but warned against larger spaces at quieter speeds.
  • 3.8
    based on 4 reviews
    display readability: 3.8, based on 4 reviews
    The color/LED display was useful for at-a-glance status, but reviewers wanted more detail such as an actual PM2.5 readout.
  • 3.7
    based on 5 reviews
    air quality sensor accuracy: 3.7, based on 5 reviews
    Sensor impressions were mixed: sensitivity adjustment and adequate response were praised, but some reviewers warned it can be slow or need cleaning.
  • 3.6
    based on 4 reviews
    CADR rating: 3.6, based on 4 reviews
    CADR feedback was mixed: the CADR-to-power ratio was praised, but low smoke CADR and reduced real-world speed were noted.
  • 3.5
    based on 2 reviews
    PM2.5 detection: 3.5, based on 2 reviews
    PM2.5 feedback was split between praise for a PM2.5 dust sensor and criticism that the unit does not show the actual PM2.5 value.

Cons

  • 3.2
    based on 3 reviews
    fan speed options: 3.2, based on 3 reviews
    Fan speed options were acceptable for simple use, but reviewers wanted more than three speeds for better quiet-performance balance.
  • 3.2
    based on 5 reviews
    odor reduction: 3.2, based on 5 reviews
    Odor reduction was the most mixed performance area, with weak carbon criticism offset by a few reports of cleared smells.
  • 3.1
    based on 4 reviews
    VOC reduction: 3.1, based on 4 reviews
    VOC reduction was mixed: carbon/VOC claims and use cases were noted, but several reviewers criticized the weak impregnated carbon approach.
  • 3.0
    based on 2 reviews
    filter availability: 3.0, based on 2 reviews
    Filter availability was mixed: third-party pellet-carbon options exist, but one reviewer disliked Coway’s bundled replacement approach.
  • 2.8
    based on 5 reviews
    smart features: 2.8, based on 5 reviews
    Smart features were limited; some liked the simplicity, but most smart-home extras were absent.
  • 2.5
    based on 1 review
    air changes per hour: 2.5, based on 1 review
    Low-speed air changes were a limitation; one reviewer said it could not provide multiple air changes in larger spaces.
  • 2.5
    based on 1 review
    handle design: 2.5, based on 1 review
    Handle design was a weakness because one reviewer found room-to-room movement inconvenient despite compact size.
  • 2.5
    based on 1 review
    smoke removal: 2.5, based on 1 review
    Smoke removal was limited by the low Smoke CADR, making it better suited to personal or small-room use.
  • 2.3
    based on 3 reviews
    activated carbon filter: 2.3, based on 3 reviews
    Reviewers repeatedly criticized the U.S. carbon stage as weaker than pelletized carbon, though one noted pellet-based third-party or regional options.
  • 2.3
    based on 2 reviews
    scheduling options: 2.3, based on 2 reviews
    Scheduling was a drawback because reviewers wanted a timer or app routines and noted the buttons could not be locked or scheduled.
  • 2.1
    based on 4 reviews
    app connectivity: 2.1, based on 4 reviews
    App connectivity was consistently absent and often treated as a drawback for remote control, monitoring, timers, or routines.
  • 2.0
    based on 1 review
    child lock: 2.0, based on 1 review
    One reviewer directly disliked the lack of a child-lock button.
  • 2.0
    based on 1 review
    voice assistant compatibility: 2.0, based on 1 review
    Voice assistant compatibility was absent, and one reviewer specifically noted no connection to Google Assistant, Siri, or Alexa.

Compared With Category Average

Compared with other Air Purifiers, this product is above average in pre-filter quality, below average in child lock, smoke removal, air changes per hour.

Summary

8 compared features
  • Above average 0.4+ pts higher 13% 1 feature
  • Same as average within 0.3 pts 0% 0 features
  • Below average 0.4+ pts lower 88% 7 features
Attribute This product Category average Difference
child lock 2.0 3.7 -1.7
smoke removal 2.5 4.2 -1.7
air changes per hour 2.5 4.2 -1.7
scheduling options 2.3 3.9 -1.6
voice assistant compatibility 2.0 3.6 -1.6
activated carbon filter 2.3 3.5 -1.2
app connectivity 2.1 3.2 -1.1
pre-filter quality 4.7 3.7 +1.0

FAQ

Is the Coway Airmega 150 good for small rooms?

Yes. Reviewers most often framed it as a strong fit for bedrooms, small offices, apartments, and other modest spaces, while warning against relying on it for larger rooms at quiet fan speeds.

How well does it clean particles?

Particle-cleaning evidence is generally positive. Some tests called its results excellent or faster than peers, while HouseFresh-style testing found the result acceptable but not outstanding for the price.

Is it quiet enough for bedrooms?

Mostly yes. Multiple reviewers praised low-speed or silent-mode noise, though a few noted that the highest fan speed can become loud.

Does it remove odors and VOCs well?

Odor and VOC performance is the main weakness. Several reviewers criticized the carbon fabric approach and said pelletized carbon would improve odor neutralization.

Does it have app control or smart-home features?

No app control is supported in the reviews, and reviewers repeatedly noted missing smart extras such as app routines, remote monitoring, voice assistant support, timers, and child lock.

Is maintenance easy?

Yes. Reviewers consistently praised the removable washable pre-filter, simple setup, and filter indicators, with the slide-out pre-filter standing out as a practical design win.

Sample Expert Reviews We Analyzed

These are a few of the reviews included in our analysis.

Video Reviews

Article Reviews

Consider This Instead

If you want better voice assistant compatibility

Choose Blueair Blue Pure 311i Max. It scores 5.0 vs 2.0 for voice assistant compatibility, with a 3.9 overall score.

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If you want better app connectivity

Choose Levoit Vital 200S. It scores 4.7 vs 2.1 for app connectivity, with a 4.3 overall score.

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If you want better smoke removal

Choose Coway Airmega 250. It scores 5.0 vs 2.5 for smoke removal, with a 4.3 overall score.

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If you want better activated carbon filter

Choose Blueair Blue Signature. It scores 4.6 vs 2.3 for activated carbon filter, with a 4.2 overall score.

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#4 Coway Airmega 250
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