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Coway Airmega 200M

Rank 11 of 13 robots for large rooms in our ranking, tested by .in our ranking, tested by

Score 3.7 out of 10

Lab tests, 60% of the score: no lab has tested it.

Owners’ ratings, 25%: none yet at the stores that ship to the United States, so this part is left out and the others count for more.

Features, 15%: 3.7, 22 of the 59 points for the facts the maker states.

Price does not count, so a discount never lifts a model. Only robots a lab has tested are ranked.

The highest score today is 8.4.

How we work this out

Is the Coway Airmega 200M right for your home? Find out in 7 questions →

Coway Airmega 200M (black)

Before you buy, compare it with 2 recommended alternatives

Beside it, two models on sale today that come closest to it on score and price, with the same kind of station where we have them.

Green is the best of these 3, also when they share the lead.

This model Coway Airmega 200M Higher score, 17% cheaper Levoit Vital 200S-P Best on 1 fact Much better, not pricier Levoit Core 400S-P Best on 1 fact
Price and ranking
Lowest price $229Coway (brand store) $189Levoit (brand store) best $219Levoit (brand store)
Score 3.7 6.1 8.3 best
Rank rank 11 of 13 for large rooms rank 5 of 13 for large rooms rank 1 of 13 for large rooms
Customer rating – – –
Station
Room size same on all large rooms large rooms large rooms
Size, noise and age
On the market since July 2020 June 2023 June 2023

Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.

Prices per store

On October 15, 2026 the lowest price for the Coway Airmega 200M is $229 at Coway (brand store), shipping to the United States included. In our ranking it is rank 11 of 13 for large rooms, with a score of 3.7 out of 10.

Color

All prices include shipping to the United States. Sales tax is added at checkout. We may earn a commission when you buy through these links. It never changes our ranking.

Price historylast 90 days

Color
Lowest price per day Tap a store to hide or show its line.
Lowest since Oct 14$229
Highest since Oct 14$229
Price drops since Oct 140no drop seen yet

Coway Airmega 200M specifications

The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.

Coway · on the market since July 2020

Clean air delivery rate (CADR)246 cfm
Room size we compare on375 ft²
Noise at the lowest speed24 dB
Filter life6 months
Power at the highest speed82 W

Running cost: Filters: about $119 a year at today’s prices.

Consumables: The filter lasts about 6 months.

Cleaning performance 6 facts
Clean air delivery rate (CADR)

How much clean air the purifier delivers an hour, measured with smoke, dust and pollen. A higher figure cleans a bigger room or the same room faster.

246 cfm (418 m³/h)
CADR measured to

The test the CADR comes from. AHAM AC-1 and the DOE test are independent and comparable. A maker's own test is not.

Not stated
CADR for smoke

The CADR measured with tobacco smoke, the finest of the three test particles. It is the figure to read for wildfire smoke.

246 cfm (418 m³/h)
CADR for dust

The CADR measured with dust.

249 cfm (423 m³/h)
CADR for pollen

The CADR measured with pollen.

277 cfm (471 m³/h)
Room size we compare on

The room size where the purifier changes the air 4.8 times an hour under a 2.5 m ceiling, worked out from its CADR. We use it so every model is compared on the same rule.

375 ft² (35 m²)
Running costs 1 fact
Filter life

How long the maker says a filter lasts, in months of normal use. A filter that is spent cleans less.

6 months
Noise and power 3 facts
Noise at the lowest speed

The sound level at the lowest speed, as the maker measures it.

24 dB
Noise at the highest speed

The sound level at the highest speed, as the maker measures it.

55 dB
Power at the highest speed

The power the purifier draws at its highest speed.

82 W
Air quality sensing 1 fact
Automatic mode

The fan speed follows the air quality the sensor reads.

yes
Extras 1 fact
CARB certified

Certified by the California Air Resources Board as making little ozone.

yes

Sources: cowaymega.com · ww2.arb.ca.gov

Our score

Confidence: medium. One lab and fewer than 300 owners’ ratings. The highest score today is 8.4.

  • Lab tests 60%–

    Left out, so the other parts count for more.

  • Owners’ ratings 25%–

    Owners’ ratings, 25%: none yet at the stores that ship to the United States, so this part is left out and the others count for more.

  • Features 15%3.7

    22 of 59 points for the facts the maker states.

  • Price never countsA sale can’t lift a model. Today’s lowest price sits beside the score, checked every morning.
  • No test, no rankOnly robots a lab has tested are ranked. The rest get a provisional score.
  • Reviewers beside, not insideReviewers’ picks are shown next to the score and do not count in it.

How we work this out →

Frequently asked questions about the Coway Airmega 200M

What size of room is the Coway Airmega 200M for?

The Coway Airmega 200M is sized for a room of about 375 ft², the room size we compare it on. Its clean air delivery rate (CADR) is 246 cfm.

How often does the Coway Airmega 200M need a new filter?

The maker gives the filter a life of 6 months.

How loud is the Coway Airmega 200M?

The maker states 24.4 dB at the lowest speed and 55.1 dB at the highest.

Does the Coway Airmega 200M make ozone?

It is CARB certified, which means it stays under California’s limit of 50 parts per billion of ozone.

Is the Coway Airmega 200M good for wildfire smoke?

Its CADR for smoke is 246 cfm. A higher number clears smoke from a room faster, so compare it with the size of your room.

The maker

Coway

Coway began in Korea in 1989 and describes itself as a global company with three decades focused on health. In the United States it sells Airmega air purifiers, Bidetmega bidet toilet seats and Aquamega water purifiers.

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