Coway
Coway Airmega 400S
A True HEPA (washable pre-filter + Max2 HEPA + activated carbon) air purifier rated for rooms up to 1560 sq ft with a smoke CADR of 328 CFM.
Owners like this air purifier because it's good value for money.
AHAM VerifideEnergy StarCARB
Key specs
Price$649.99
Room coveragei1560 sq ft
CADR · smokei328 CFM
CADR · dusti328 CFM
CADR · polleni400 CFM
Noise rangei22–52 dB
Filter lifei12 months
Filter costi$109.99
Warrantyi5 years
What owners say
Filter by theme
- 5.0 out of 5 stars
“can remove viruses from the air.”
The real cost of ownership
The sticker price is the down payment. Filters for the Coway Airmega 400S run $109.99 every 12 months — here's what that compounds to over three years of round-the-clock ownership.
Upfront cost$650
Filters · monthly$9.17/mo
Filters · annual$110/yr
3-year total$980
Over three years, replacement filters add $330 to the $650 sticker — 34% of what you'll actually spend on the Coway Airmega 400S.
Compare with similar models
- Coway$229.99Coway Airmega AP-1512HH4.1/54.1 out of 5 stars(10)iAHAM VerifideEnergy StarCARBPet hair & danderValue for money361 sq ft“Coway AP-1512HH comes in at your max budget and does a great job.”
- Coway$129.99Coway Airmega 1003.2/53.2 out of 5 stars(2)iAHAM VerifideEnergy StarSleep friendlyValue for money405 sq ft“I have noticed an improvement in both.”
- AlenPrice variesAlen BreatheSmart 75i3.4/53.4 out of 5 stars(4)iPet hair & danderQuiet operation1300 sq ft“The 75 is almost silent.”
- Austin AirPrice variesAustin Air HealthMate3.3/53.3 out of 5 stars(4)iFilter costsOdor & VOC control1500 sq ft“I have an Austin Air Systems Healthmate and Healthmate Jr. Bought both in 1995 and each is still going strong.”
Full specifications
- cadr dusti
- 328
- price usdi
- 649.99
- cadr smokei
- 328
- dimensions
- 14.8 x 14.8 x 22.8 in
- weight lbs
- 24.7
- cadr polleni
- 400
- energy stari
- True
- filter typei
- True HEPA (washable pre-filter + Max2 HEPA + activated carbon)
- model numberi
- Airmega 400S / AP-2015E
- noise db maxi
- 52
- noise db mini
- 22
- aham verifiedi
- True
- carb certifiedi
- True
- smart featuresi
- IoCare app, Wi-Fi, Alexa, AQI monitoring, smart/eco/sleep modes, Dash Replenishment
- warranty yearsi
- 5
- room coverage sqfti
- 1560
- has activated carboni
- True
- filter lifespan monthsi
- 12
- filter replacement usdi
- 109.99