Air Purifier Ranking

Coway Airmega 100 3.0

#3 of 5 in Compact (under 130 CADR) · #40 of 49 overall · All Coway models

Spec-based ranking. We have not yet logged an independent measurement for this air purifier; its score uses manufacturer specifications and price. How that works.

Price shown is an approximate recent street price and is being verified. Click through for the current price.

Coway's bedroom unit with auto mode; low CADR for the price.

Amazon · $130Coway

Specifications

Smoke CADR100 cfm
Dust CADR110 cfm
Pollen CADR105 cfm
AHAM room size155 sq ft
Maker's room size155 sq ft
Max power30 W
Noise (low / high)20 / 45 dB
Filter cost$40
Filter life12 months
Filters per year$40
5-year cost of ownership$330
True HEPAYes
Activated carbon0.2
Auto mode (PM2.5 sensor)Yes
AppNo
Washable prefilterYes
AHAM VerifideYes
Energy StarYes
Weight8.0
Released2024

Score breakdown

Value (25%)
0
Efficiency (10%)
21
Noise (15%)
100
Filter_cost (15%)
54
Certification (10%)
100
Features (10%)
62

Components are normalized 0–100. Weighted total: 49/100 → 3.0 stars. Formula.

Independent measurements

None logged yet. If you know of an independent test of this air purifier, see the reviewers we track.

Compared with its neighbors

#ModelSmoke CADRDustPollenWdB maxFilters/yr$/CADRScore
1Levoit Core 200S1181201222646$380.778
2Coway Airmega 1501281411273247$451.252
3Coway Airmega 1001001101053045$401.349
4Honeywell HPA1001001061005055$351.035
5GermGuardian AC48251001181255555$600.834

Head-to-head: Coway Airmega 100 vs Honeywell HPA100 · Coway Airmega 100 vs GermGuardian AC4825 · Levoit Core 200S vs Coway Airmega 100 · Coway Airmega 150 vs Coway Airmega 100