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Coway Airmega 200M Air Purifier Review

Tested using Methodology v1.0
Reviewed May 13, 2024 at 01:24 pm
Coway Airmega 200M Picture
7.9
Pets
7.7
Bedroom
8.0
Air Purification

The Coway Airmega 200M is an air purifier intended for medium-sized rooms. Under the skin, it's all but identical to the older Coway Airmega AP-1512HH Mighty, with the same filter system comprised of three physical layers and a built-in ionizer. It also has the same particle sensor that allows it to automatically adjust fan speed depending on current air quality or even turn it off entirely if air quality is kept at an acceptable level for long enough.

Our Verdict

7.9 Pets

The Coway Airmega 200M is a very good choice for pet owners. It's fairly effective in capturing fine particles like cat dander. While you can't control the air purifier remotely using your smartphone, it does have an automatic fan speed adjustment feature. While it's a little noisy at higher fan speeds, which isn't ideal for pets that are sensitive to loud noises, it isn't too disruptive at lower speeds.

Pros
  • Great overall performance.
  • Automatic fan speed adjustment and 'Eco' setting.
Cons
  • No companion app for full remote operation.
  • Makes quite a bit of noise at higher fan speeds.
7.7 Bedroom

The Coway Airmega 200M is a good option to put in your bedroom. It's a little on the larger end of the scale, especially for smaller bedrooms, but it still has a relatively small footprint for a machine capable of cleaning rooms this size. Like most air purifiers, you can easily switch off the display lights. You can't operate the Coway remotely using a smartphone app, but its built-in particle sensor does still result in a hands-off user experience; the device will automatically adjust fan speed depending on measured air quality, and the separate 'Eco' mode helps minimize noise and power consumption by turning the fan off if air quality is at an acceptable level for long enough.

Pros
  • Display light shutoff.
  • Great overall performance.
  • Automatic fan speed adjustment and 'Eco' setting.
Cons
  • No companion app for full remote operation.
  • Makes quite a bit of noise at higher fan speeds.
8.0 Air Purification

The Coway Airmega 200M is a great overall air purifier. It's impressively effective in handling various kinds of airborne particles and has a reasonably fast air-cleaning rate, which makes it a good option for medium-sized spaces. While it can't be operated remotely using a smartphone app, its built-in particle sensor allows it to monitor air quality and adjust fan speed automatically.

Pros
  • Great overall performance.
  • Automatic fan speed adjustment and 'Eco' setting.
Cons
  • No companion app for full remote operation.
  • Makes quite a bit of noise at higher fan speeds.
  • 7.9 Pets
  • 7.7 Bedroom

Performance Usages

  • 8.0 Air Purification
  1. Updated Apr 25, 2024: Review published.

Differences Between Sizes And Variants

The Coway Airmega 200M is available in two color variants: 'Black' and 'White'. We tested the 'Black' variant.

Let us know in the comments if you come across another variant.

Compared To Other Air Purifiers

The Coway Airmega 200M is all but identical to the Coway Airmega AP-1512HH Mighty, with the two machines sharing the same filter system, motor, and user interface. Like its older sibling, it doesn't have the same range of niceties as some alternatives, with no smartphone app or compatibility with voice commands made through Amazon Alexa or Google Assistant devices. However, if those features don't appeal to you, and you simply want an air purifier capable of cleaning medium to large-sized rooms, but with a relatively small footprint, it's certainly a good option.

Test Results

perceptual testing image
Design
Design
Body
Height 18.3" (46.5 cm)
Width 16.8" (42.7 cm)
Depth 9.6" (24.4 cm)
Weight
13.2 lbs (6.0 kg)
Power Cord Length 78.5" (199.4 cm)
Wheels
No
Design
Display And Control
Filter Change Indicator
Yes
Air Quality Sensor Auto Mode
Yes
Remote Control
No
App
No
Display On/Off
Yes
Timer Function
Yes
Number Of Fan Speeds
4

The 'Air Quality' indicator light changes color based on current particle count:

  • Blue: Clean
  • Dark Purple: Polluted
  • Red: Highly Polluted

If you want to turn off the lights on the display, you can do so by pressing and holding the 'Ionizer' button for three seconds.

Design
Filter Configuration
Filtration Layers
3 Stage
Activated Carbon
Sheet

Like with the Coway Airmega AP-1512HH Mighty, this air purifier's four-stage filtration system only has three physical filters: a pre-filter for trapping larger particles, a True HEPA filter, and a Carbon filter for minimizing odors. The fourth 'stage' is the device's built-in ionizer, which imparts a negative charge to fine airborne particles, causing them to be attracted to one another. From there, they form heavier clumps that fall out of the air, where you can clean them up. The downside of ionizers is that their operation produces ozone as a byproduct, which can irritate your lungs through prolonged exposure. If you don't want to use the ionizer, you can turn it off.

You'll need to clean the pre-filter under water or vacuum off any stuck-on debris and dust every two to four weeks.

You'll need to replace the True HEPA/Activated Carbon filter every 12 months and the carbon filter every six months. These two filters are sold in a single pack and can be purchased here.

Performance
8.0
Performance
Particle Filtration
Air Cleaning Rate
581 mยณ/Hour
Average Final 0.3 ยตm Concentration
69 particles/L
7.5
Performance
Noise
Noise @ Lowest Fan Speed
33.6dBA
Noise @ Highest Fan Speed
61.3dBA