Coway Airmega 50
Its CADR is not known yet, so it is not in our ranking.
Which robot is right for your home? Find out in 7 questions →
Before you buy, compare it with 2 recommended alternatives
No shop here sells this model today, so beside it the highest-scored model for the same room size that one does, and the cheapest of the top 10.
Green is the best of these 3, also when they share the lead.
| This model Coway Airmega 50 | Highest score here Clean Air Optima CA-503 Compact Best on 3 facts | Cheapest of the top 10 Xiaomi Smart Air Purifier 4 Compact | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | 132 €OTTO best | 189 €OTTO |
| Score | not in our ranking | best | |
| Rank | – | rank 1 of 1 for small rooms | rank 2 of 2 for medium rooms |
| Customer rating | – | – | – |
| Room size | |||
| Room size | small roomsup to 31 m² | small roomsup to 30 m² | medium roomsup to 27 m² |
| Size, noise and age | |||
| Height lower is better | 32 cm | 27.4 cm best | 35.5 cm |
| On the market since | – | – | – |
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.
Coway Airmega 50 specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Consumables: The filter lasts about 8 months.
Cleaning performance 4 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.
- 120 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
- 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.
- 10 m²
- Room size the maker claims
The room size the maker states. Makers use different rules, so we show it but never rank on it.
- 31 m²
Filter 2 facts
- Filter layout
Whether the particle and carbon layers are one filter or separate ones. Separate filters let you replace only the part that is spent.
- One combined filter
- Activated carbon filter
A filter of activated carbon that takes out smells and some gases. It does not catch particles.
- yes
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.
- 8 months
Noise and power 3 facts
- Noise at the lowest speed
The sound level at the lowest speed, as the maker measures it.
- 18 dB
- Noise at the highest speed
The sound level at the highest speed, as the maker measures it.
- 44 dB
- Power at the highest speed
The power the purifier draws at its highest speed.
- 14 W
Air quality sensing 2 facts
- Air quality sensors
What the purifier measures in the air. A particle sensor lets it speed up and slow down by itself.
- PM2.5
- Automatic mode
The fan speed follows the air quality the sensor reads.
- yes
Smart features and warranty 2 facts
- App control
- None
- Matter
Matter is the standard that lets devices from different makers work together. With it you can run the robot outside the maker’s own app. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
Build 5 facts
- Shape
- Tabletop
- Height
How tall the purifier is. It decides whether it fits on a shelf or under a window sill.
- 32 cm
- Width
- 170 mm
- Depth
- 170 mm
- Weight
What the purifier weighs. It counts most if you move it from room to room.
- 1.6 kg
Warranty and certification 1 fact
- Launched
The month the model came out, as far as a register or the maker shows.
- 2025-06
Frequently asked questions about the Coway Airmega 50
What size of room is the Coway Airmega 50 for?
The Coway Airmega 50 is sized for a room of about 10 m², the room size we compare it on. Its clean air delivery rate (CADR) is 120 m³/h.
How often does the Coway Airmega 50 need a new filter?
The maker gives the filter a life of 8 months.
How loud is the Coway Airmega 50?
The maker states 18.4 dB at the lowest speed and 44.1 dB at the highest.


