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Coway Airmega 150

Ranked #8 of 24 in Best Bedroom & Small-Room Air Purifiers: Quietest Levoit, Coway, Blueair & Winix (2026). Here is every spec we scored, where it came from, and how it compares.

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C

#8

Coway Airmega 150

Best for: A slim 153 CFM purifier, 6.5 in deep

6.0/10

What we like

20 dB low, 48 dB high
6.5 in deep

Watch out for

Deodorization filter lasts 6 months

Score breakdown

Quietest setting 30%

Smoke CADR 25%

Loudest setting 15%

CADR per watt 10%

Carbon or odor stage included 10%

Main filter life 10%

Quietest setting	19.98 dB
Smoke CADR	153 CFM
Loudest setting	48.3 dB
CADR per watt	4.4 CFM/W
Carbon or odor stage included	Yes
Main filter life	12 months
CADR (smoke / dust / pollen)	153 / 161 / 220
Coverage	214 ft² at 4.8 ACH; 1,035 ft² at 1
Filter	Pre-filter + deodorization filter + HEPA
Filter life	Deodorization 6 months, HEPA 1 year
Noise	19.98–48.3 dB(A)
Power	35 W
Depth	6.5 in
Price	Check price

Check price at Amazon

Specs source:

Coway: Airmega 150

Coway Airmega 150 head-to-head

Head-to-headBlueair Blue Signature Small vs Coway Airmega 150 Head-to-headCoway Airmega 150 vs Rabbit Air BioGS 2.0

How it compares

Open the full comparison table

Coway Airmega Halo

#1 · 17.8 dB in sleep mode, Energy Star

Blueair Blue Pure 411i Max

#2 · 19 dB on low, 46 dB on high

Coway Airmega Mighty2 (AP-1512N)

#3 · The Mighty's successor with a laser PM sensor

Blueair Blue Pure 511i Max

#4 · A 4.2 lb nightstand-size purifier

Blueair Blue Signature Small

#5 · The smallest Signature, 160 CFM

Blueair Blue Pure Mini Max

#6 · A 2.8 lb desk or nursery purifier

Levoit Eleva 300X

#7 · 20 dB sleep mode with separate HEPA and carbon filters

Coway Airmega Mighty2 Mini

#9 · A compact Mighty with 143 CFM

Coway Airmega 100

#10 · A 108 CFM bedroom unit with a 1-year 3-in-1 filter

Coway Airmega AP-1512HH Mighty

#11 · The original Mighty: 233 CFM smoke

Rabbit Air BioGS 2.0

#12 · Rabbit Air's 4-stage bedroom model

Levoit Vital 100S

#13 · A 143 CFM purifier with HEPA-grade sleep mode

Levoit Sprout

#14 · A nursery purifier with ambient sounds and soft lighting

#15 · A 162 CFM Wi-Fi purifier with a 12-month carbon filter

Blueair Mini Restful

#16 · A purifier with a sunrise alarm clock

Levoit Core 300S

#17 · A compact 141 CFM Levoit at 23 W

#18 · A simple 360° purifier with no app

Levoit Core 200S

#19 · A 90 CFM purifier with a night light

Levoit Core Mini

#20 · A 2.2 lb desk purifier with aroma pads

Honeywell Allergen Plus AQSense HPA125

#21 · An Energy Star purifier for rooms up to 110 sq ft

Shark BreatheClear Compact Pro (HP062)

#22 · A small purifier with motion sensing and a 6-year filter

Shark NeverChange Air Purifier (HP152)

#23 · A 5-year-filter purifier for up to 650 sq ft

Molekule PECOAir

#24 · Molekule's PECO-HEPA purifier for bedrooms and offices