Winix C909 vs Coway Airmega Mighty2

Tested using Methodology v1.3.1

Updated Aug 21, 2026 08:23 PM

This review is in Early access

See Coway Airmega Mighty2 Review

HEPA Certified No

Activated Carbon Sheet

HEPA Certified Yes

Activated Carbon Pellets

Recommended in 6 articles:
Pets
Allergies
Mold
3

Our Verdict

Winix C909

Coway Airmega Mighty2

Full comparison details regarding individual product score sets can be found in the section below

Variants

C909 (Black)

Airmega Mighty2 (Beige)
Airmega Mighty2 (White)

Review

See Winix C909 Review

Check Price

Black

C909

Beige

Airmega Mighty2

Black

C909

Walmart.com

White

Airmega Mighty2

Black

C909

Lowes.com

Black

C909

HomeDepot.com

Black

C909

BestBuy.com

Main Differences for

Pets

Threshold

0.10

Pets

8.4

0.0

No major differences between these air purifiers for pets. See full list of tests below.

Full Comparison

Pets

8.4

0.0

Particle Filtration Rate

8.4

0.0

Bedroom

8.3

0.0

Footprint

6.1

0.0

Design

Body

Weight

17.4 lbs (7.9 kg)

Lock lbs (Lock kg)

Power Cord Length

74.4" (189.1 cm)

Lock" (Lock cm)

Wheels

Locked

Footprint

6.1

N/A

Compactness Photo

SAMPLE

for pictures & test results

Width

11.5" (29.1 cm)

Lock" (Lock cm)

Depth

16.6" (42.2 cm)

Lock" (Lock cm)

Height

23.2" (59.0 cm)

Lock" (Lock cm)

Display And Control

Main Controls

SAMPLE

for pictures & test results

Alternative Controls

SAMPLE

for pictures & test results

Filter Change Indicator

Yes

Locked

Air Quality Sensor Auto Mode

Yes

Locked

Remote Control

Locked

App

Yes

Locked

Display On/Off

Dimmable only

Locked

Timer Function

Yes

Locked

Number Of Fan Speeds

Lock

Filter Configuration

Filter Configuration Photo

SAMPLE

for pictures & test results

Filter Localization Photo

SAMPLE

for pictures & test results

HEPA Certified

Locked

Filtration Layers

3 Stage

Locked

Activated Carbon

Sheet

Locked

Performance

Particle Filtration Rate

8.4

N/A

Purification Graph

Preview Graph

SAMPLE

for pictures & test results

Measured PM1.0 CADR

500 m³/hr (294 CFM)

Lock m³/hr (Lock CFM)

Recommended Room Size @ Max Fan Speed

42.7 m² (459 ft²)

Lock m² (Lock ft²)

Low-Noise Particle Filtration Rate

8.4

N/A

Purification Graph @ ≤ 45dBA

Preview Graph

SAMPLE

for pictures & test results

Measured PM1.0 CADR

337 m³/hr (198 CFM)

Lock m³/hr (Lock CFM)

Fan Speed Used

Speed 2

Locked

Recommended Room Size

28.8 m² (310 ft²)

Lock m² (Lock ft²)

Noise

8.3

N/A

Noise Video

SAMPLE

for videos & test results

Noise @ Lowest Fan Speed

33.1dBA

LockdBA

Noise @ Highest Fan Speed

53.9dBA

LockdBA

Check Price

Black

C909

Beige

Airmega Mighty2

Black

C909

Walmart.com

White

Airmega Mighty2