Air Purifier Ranking

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Coway Airmega AP-1512HH Mighty

Coway Airmega AP-1512HH Mighty

#6 of 22 in medium · #21 of 49 overall · all Coway models
3.4

The long-running benchmark: strong CADR for the price, a real auto mode and cheap annual filters.

233 cfmsmoke CADR
361 sq ftAHAM room size
54 dBat full speed
77 Wmax power
$180street price, being verified
One air change of a 300 sq ft room in about 10 min$50 a year in filters$430 to own for 5 yearsAHAM Verifide CADR

Ratings

Includes independent measurements from Air Purifier First, HouseFresh.

Value25% of the score
2.5
Energy efficiency10% of the score
1.0
Quietness15% of the score
1.5
Filter cost15% of the score
5.0
Certified CADR10% of the score
5.0
Features10% of the score
3.0

Each rating places this unit among the others on a 0.5–5 scale, within its room-size class for the measures that scale with size and across the whole catalog for the rest. Weighted together they give the overall 3.4. Formula and weights.

Specifications

Smoke CADR
233 cfm
Dust CADR
246 cfm
Pollen CADR
240 cfm
AHAM room size
361 sq ft
Maker's room size
361 sq ft
Max power
77 W
Noise (low / high)
24 / 54 dB
Filter cost
$50
Filter life
12 months
Filters per year
$50
5-year cost of ownership
$430
True HEPA
Yes
Activated carbon
0.3 lb
Auto mode (PM2.5 sensor)
Yes
App
No
Washable prefilter
Yes
AHAM Verifide
Yes
Energy Star
Yes
Weight
12.3 lb
Released
2012

Independent measurements

MetricValueSource
Time to clear test room
728 cu ft test room; incense smoke cleared to PM1 zero (100%); top speed (3 of 3); ionizer on. 29 min with ionizer off
26 minHouseFresh
2025-12
Noise, measured
speed 1 of 3 (lowest); 3 ft
38.9 dBAHouseFresh
2025-12
Noise, measured
speed 3 of 3 (top); 3 ft
60.1 dBAHouseFresh
2025-12
Power draw, measured
speed 3 of 3 (top); ionizer off (77.3 W with ionizer on)
75.3 WHouseFresh
2025-12
Particle reduction
PM2.5 fell from 113.8 to 4.7 ug/m3 over 60 min at max speed (3 of 3) in a 320 sq ft room; laser particle meter. Auto mode managed 90% in same test
96 %Air Purifier First
2026-08
Time to clear test room
1377 cu ft room; incense; PM1 brought to zero (100%); speed 3 of 3 (max); AirGradient ONE monitor. 94 min at speed 1
27 minAir Purifier First
2026-08
Noise, measured
speed 1 of 3 (lowest); distance not stated
41.4 dBAAir Purifier First
2026-08
Noise, measured
speed 3 of 3 (top); distance not stated
63.5 dBAAir Purifier First
2026-08
Power draw, measured
speed 3 of 3 (top); energy meter; ionizer adds about 1.2 W
69.1 WAir Purifier First
2026-08

How it compares with its neighbors

#ModelSmoke CADRDustPollenWdB maxFilters/yr$/CADRScore
3Winix C5452322392327055$650.63.4
4Winix 5500-22322432467055$700.73.4
5Blueair Blue Pure 411i Max1301301302046$800.83.4
6Coway Airmega AP-1512HH Mighty2332462407754$500.83.4
7Winix AM902322432467055$700.83.4
8Coway Airmega 200M2332462407754$500.83.3
9Coway Airmega 2502402502455252$701.03.3