COWAY Air Purifier for Large Room Whole Home Up to 3,285 ft², HEPA Filter for Smoke, Allergen, Pet Dander, Odor, PM(1, 2.5, 10), AQI, Turbo Eco Mode, Energy Star, 3yr Warranty, Airmega 450 White
About this product
About this item AERODYNAMIC AIR PURIFICATION HyperVortex air technology optimizes airflow, enhances filtration efficiency, minimizes airloss, all with remarkable speed and whisper-quiet operation at 21.6 db. Covers up to 3,285 ft² in just 60 mins - CADR: Dust 445, Smoke 439, Pollen 450
PERSONALIZED AIR CARE Tailor your air purification experience to your needs with a custom 3-in-1 filter. Fresh Starterplus for unwanted VOCs, and odors. Allergenplus for pollen, dust mites, fungi, and pet dander. Intense Smokeplus for wildfires, pollution and industrial fumes.
REAL-TIME AIR QUALITY INDICATOR monitors air quality 24/7 in real time while smart mode intelligently adjusts airflow and purification accordingly. 4 smart modes - Auto, Sleep, Eco, and Turbo allow the user to choose settings that best fit their surroundings for optimal performance and comfort.
ENERGY STAR CERTIFIED Designed to optimize performance and reduce energy consumption. On Eco mode, it operates at the lowest airflow and noise level - only increasing airflow when air quality demands it.
3-year Manufacturer’s Limited Warranty: Trust in one of the most reliable devices in the industry, backed by a 3-year warranty that sets a new standard for quality and peace of mind.
Editor's Take
Amazon-style and broader web reviews suggest the Coway Airmega 450 is praised for strong purification performance, especially for smoke, allergens, pet dander, and general whole-home use. Reviewers on Reddit and review sites say it reacts well in real homes, is quiet in lower modes, and feels effective for cooking or smoke events.
Common complaints are the higher filter cost, the unit’s size and weight, and that the biggest coverage claims can feel optimistic compared with practical room-by-room use. Consumer Reports and other review outlets also point to strong brand reputation, but some buyers feel the value depends on whether large-space performance matters more than ongoing maintenance cost.
On YouTube, there are real review/demo videos specifically about the Airmega 450, including “COWAY Airmega 450 Honest Review 2026: Before You Buy” and “Breathe Easier: Real Results with the Coway Airmega 450 Air Purifier.”
- Review sentiment: mostly positive on cleaning power and quiet operation.
- Main drawbacks: expensive replacement filters and bulky form factor.
- YouTube coverage found: review and results-focused videos about this exact model.
Price History
Specifications
| Coverage Area (sq ft) | 285 |
| Filter Type | HEPA |
| Quiet Operation | No |
| Smart Features | No |
Product Details
| Power Source | Corded Electric |
| Control Method | Touch |
| Filter Type | HEPA Filter, Carbon Filter, Pre-Filter |
| Floor Area | 3285 square_feet |
| Noise Level | 23.7 db |
| Particle Retention Size | 0.3 micron |
| Controller Type | Touch |
| Wattage | 72 watts |
| Contaminant Filtration Capability | Dust, Odors, Pet Dander, Pollen, Volatile Organic Compounds (VOCs) |
| Special Features | Filter Life Indicator, Real Time Air Quality Indicator, Smart Mode |
| Filter Class | HEPA |
| Item Dimensions D x W x H | 13.4"D x 13.4"W x 29.6"H |
| Item Weight | 24.9 pounds |
| Specification Met | CARB Certified, ETL Certified, Energy Star Certified |
| Brand Name | Coway |
| Model Number | AP-2524B(W) |
| UPC | 826439000875 |
| Manufacture Year | 2025 |
| Unit Count | 1 Count |
| Manufacturer | Coway |
| Warranty Description | 3 year manufacturer's limited warranty |
| Included Components | Air Purifier, Filter Set, User Manual |
| Item Type Name | HEPA Filter Air Purifier |
| Part Number | AP-2524B |
| Best Sellers Rank | #11,811 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #39 in HEPA Filter Air Purifiers |
| ASIN | B0DRPRJMWD |
| Customer Reviews | 4.3 out of 5 stars |
| Color | White |
