Coway Airmega 450 Air Purifier, 3,285 ft², Beige

Beige: The Coway Airmega 450 is a corded air purifier listed for spaces up to 3,285 square feet. Its listed HEPA, carbon, and pre-filter setup, real-time air-quality indicator, and Auto, Sleep, Eco, and Turbo modes suit buyers who want automatic airflow adjustment alongside manual mode choices.

At a glance

The listing claims coverage up to 3,285 ft² in 60 minutes and gives separate dust, smoke, and pollen CADR figures.
A real-time air-quality indicator accompanies Auto, Sleep, Eco, and Turbo modes. The listing says Smart Mode adjusts airflow in response to air quality.
The manufacturer describes a customizable 3-in-1 filter option for VOCs and odors, allergens, or smoke. The listed filter types are HEPA, carbon, and pre-filter.
Energy Star certification and a 3-year limited manufacturer warranty are stated in the listing.

Price

$314.99Save 37%

Reference price: ~~$499.00~~

Price checked: Nov 14, 2026

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Often bought together

COWAY Airmega 450 Genuine Replacement Filter, HEPA Filter and Activated Carbon, Intense Smoke Plus

$119.00

Pros and cons

Pros

Several selectable modes include automatic adjustment based on the stated air-quality monitoring feature.
The listing identifies both particle filtration and odor/VOC-related filtration through HEPA and carbon filter types.
A filter-life indicator can help signal when filter attention is needed.

Technical specifications

21 specifications

Identity
Brand	Coway
Model	Airmega 450
Model number	AP-2524B(BG)
Color	Beige

Filtration and coverage
Filter types	HEPA Filter, Carbon Filter, Pre-Filter
Listed particle retention size	0.3 micron
Listed contaminants	Dust, Odors, Pet Dander, Pollen, Volatile Organic Compounds (VOCs)
Listed room area	3285 square_feet
CADR	CADR: Dust 445, Smoke 439, Pollen 450
Coverage claim and time	Covers up to 3,285 ft² in just 60 mins

Controls and modes
Control methods listed	Touch
Special features	Filter Life Indicator, Real Time Air Quality Indicator, Smart Mode
Modes listed	Auto, Sleep, Eco, and Turbo

Power and operation
Power configuration	Corded Electric
Wattage	72 watts
Noise level	23.7 db
Manufacturer-stated operating noise	21.6 db

Dimensions and installation
Dimensions listed	13.4"D x 13.4"W x 29.6"H
Weight listed	24.9 pounds

Certifications and warranty
Certifications listed	CARB Certified, ETL Certified, Energy Star Certified
Warranty description	3 year manufacturer's limited warranty

What to know before buying

Listing details to confirm

Listing details give two different noise figures: 23.7 db in the specifications and 21.6 db in the manufacturer feature text. Coverage and CADR are manufacturer claims, not independently verified here. The title names PM(1, 2.5, 10), but the supplied specifications do not define sensor measurement or performance for those particle sizes. Filter customization is described in feature text, while the package list only specifies a filter set, so confirm the selected filter configuration before purchase.

What’s in the box

Included

Air purifier
Filter set
User manual

Who is it for?

A good fit for

Buyers seeking an air purifier with a large stated coverage area and documented dust, smoke, and pollen CADR claims.
Households that want an air-quality indicator and automatic airflow mode alongside Sleep, Eco, and Turbo options.
People looking for a purifier listed with HEPA, carbon, and pre-filter types and a manufacturer-stated limited warranty.

Less suited to

Buyers who need a verified room-cleaning rate or independently validated particle and odor performance.
Anyone who requires one confirmed noise figure or certainty about which custom filter option comes with the selected package.

Coway Airmega 450 Air Purifier, 3,285 ft², Beige · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 33 ratings

5 stars84%84%
4 stars8%8%
3 stars0%0%
2 stars4%4%
1 star4%4%

Aggregate ratings lean positive overall, with most ratings in the five-star category, but a smaller share are low-star ratings. Without customer comments, the ratings do not identify particular strengths or problems. They offer limited guidance on how the purifier performs in practice, so buyers should weigh the listed filter configuration, room-coverage claim, and unresolved noise figures against their needs.

Frequently asked questions

What room size does the Airmega 450 claim to cover?

The listing gives a maximum area of 3,285 square feet and says that area can be covered in 60 minutes. Treat this as a manufacturer claim rather than a guaranteed result for every room.

Which modes and controls are listed?

The purifier is listed with touch controls and Auto, Sleep, Eco, and Turbo modes. The manufacturer says Smart Mode adjusts airflow based on real-time air quality.

What filters are included or supported?

The specification lists HEPA, carbon, and pre-filter types. Manufacturer feature text describes customized filter options for VOCs and odors, allergens, or smoke, but the package list does not specify which customization is supplied.

What is the listed noise level?

The details table says 23.7 db, while manufacturer feature text says 21.6 db. The supplied listing does not reconcile the difference.