Coway Airmega 150 Air Purifier: CADR, Noise, Coverage & Specs
Last verified: Aug 23, 2026
Aug 2026
Quick verdict
The Coway Airmega 150 is best suited to compact rooms where high airflow are priorities. Its 152 CFM smoke CADR supports about 237 sq ft at approximately 4.8 air changes per hour. Buyers should separately evaluate maximum-speed noise before deciding.
Best for
- Bedrooms and small rooms
Consider alternatives if
- You need a verified maximum-speed noise figure
- You are planning around the manufacturer coverage claim rather than CADR-based room size
Verified strengths
- 152 CFM smoke CADR (~237 sq ft at ~4.8 ACH)
- 40 dB published minimum noise
- HEPA, Carbon filtration (as published)
Verified limitations or missing information
- Maximum-speed noise is not in our sources
Coway Airmega 150 overview
The Coway Airmega 150 is a compact-room air purifier with a smoke CADR of 152 CFM. Based on our CADR-based room-size method, it is suitable for approximately 237 sq ft. It includes HEPA, Carbon filtration and 40 dB minimum noise.
- Smoke CADR
- 152 CFM
- Recommended room size
- 237 sq ft
- Claimed coverage
- 1035 sq ft
- Minimum noise
- 40 dB
- Filter type
- HEPA, Carbon
- Power
- 35 W
- Dimensions
- 13.4 × 6.5 × 18.5 in
- Weight
- 12.1 lb
- Last verified
- Aug 23, 2026
Coway Airmega 150 CADR and room size
Recommended room size is about 237 sq ft (CADR × 1.55). That is approximately 4.8 air changes per hour in a room with an eight-foot ceiling. The manufacturer figure of 1035 sq ft corresponds to about 1.1 air changes per hour at the same ceiling height and is shown separately. Our recommended room size uses approximately 4.8 air changes per hour with an eight-foot ceiling. Manufacturer coverage figures may use a lower air-change rate and are shown separately.
The manufacturer coverage claim is higher than 3× CADR, so it is not used for ranking.
Coway Airmega 150 noise level
Published minimum noise is 40 dB.
Maximum-speed noise is not in our sources.
Coway Airmega 150 filtration
Published filter type: HEPA, Carbon.
Replacement interval: 12 months.
Coway Airmega 150 smart features
3-stage filtration, air quality sensor, auto mode, washable pre-filter
Coway Airmega 150 specifications
- CADR (smoke)
- 152 CFM
- Recommended room size
- 237 sq ft
- Manufacturer claimed coverage
- 1035 sq ft
- Minimum noise
- 40 dB
- Filter type
- HEPA, Carbon
- Filter replacement interval
- 12 months
- Power
- 35 W
- Dimensions
- 13.4 × 6.5 × 18.5 in
- Weight
- 12.1 lb
About Coway air purifiers
Coway models in this catalog are compared by CADR, recommended room size, noise, and filter type.
Coway Airmega 150 comparisons
Compared with the Coway AP-1512HH, the Coway Airmega 150 has 34% lower CADR.
What is the CADR of the Coway Airmega 150?
Smoke CADR is 152 CFM.
What room size is the Coway Airmega 150 suitable for?
About 237 sq ft at approximately 4.8 air changes per hour with an eight-foot ceiling.
How loud is the Coway Airmega 150?
Minimum reported noise: 40 dB.
Does the Coway Airmega 150 have Wi-Fi?
No published Wi-Fi or app control in our sources.
What filter does the Coway Airmega 150 use?
HEPA, Carbon.
Methodology
Specifications are compiled from manufacturer documentation, product listings and other cited sources.
How we calculate recommended room size.
Sources
All air purifiers · Coway air purifiers · Best air purifiers for allergies · Methodology