Coway Airmega 450 Large Room Home and Office HEPA Air Purifier

SKU: co18237  |  Model: AIRMEGA 450 (BG)
Sale price $449.99 Regular price $499.99

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Manufacturer's Warranty

3-Year Motor and Electronic Parts Limited Warranty; 1-Year All Other Internal Parts Limited Warranty

What's In The Box?

  • Coway Airmega 450 Large Room Home and Office HEPA Air Purifier
  • 3-in-1 Filter (1)
  • Owner's Manual, Guides, and Other Documents

Info & Guides

The Coway Airmega 450 Large Room Home and Office HEPA Air Purifier is a high-capacity air quality solution designed to keep large indoor spaces healthier. Built on Coway’s HyperVortex filtration platform, it is designed for both residential and professional environments where consistent air quality matters.

With a minimalist exterior and intuitive operation, this air purifier integrates seamlessly into living rooms, open-plan offices, and shared workspaces. Its thoughtful design lets you focus on daily tasks while it quietly works in the background. This model is available in either white or beige.

Key Features and Benefits of the Coway Airmega 450 Large Room and Office HEPA Air Purifier

  • Large-Space Coverage: Delivers one air change per hour in rooms up to 3,285 square feet or two air changes in rooms up to 1,643 square feet for high volume air purifying capacity with a single appliance.
  • Three-Stage Filter: A vacuumable pre-filter, Green True HEPA filter, and activated carbon filter work together to capture particles, odors, and smoke, reducing replacement costs while improving indoor air quality.
  • HyperVortex Airflow: Optimized internal design pushes purified air quickly across the room, giving you faster relief from dust, allergens, and pollen.
  • Smart Operating Modes: Auto, Sleep, Eco, Turbo, and three fan speeds let you balance noise, energy use, and cleaning power with a tap of the control panel.
  • Real-Time Air Quality Monitor: An onboard sensor with a color indicator keeps you informed of changing particulate levels and automatically adjusts the fan speed when Auto Mode is active.
  • Long Filter Life: Replace the Green True HEPA and carbon filter only once a year under normal use, lowering ongoing maintenance and keeping ownership simple.
  • Lightweight, Modern Design: Weighing just 24.9 pounds and standing 30 inches tall, the minimalist tower housing fits discreetly against a wall and is offered in White or Mocha Beige to match your décor.

Quiet Whole-Home Purification

The Airmega 450 has a noise level as low as 23.7 dB in Sleep mode, making it ideal for bedrooms and dedicated workspaces, with three fan levels and a Turbo Mode with a max noise level of 57.7 dB. The tower air purifier's 13 x 13 x 29-inch frame tucks neatly against a wall, and two color choices, White or Beige, help it fit with modern or traditional décor.

Sylvane’s Expert Take

If you need a reliable air purifier for a large home, shared workspace, or open lobby, the Airmega 450 delivers broad coverage with proven HEPA performance. Its sensor-driven modes minimize guesswork, while long-lasting filters keep maintenance straightforward, making it a comprehensive air quality solution for modern homes.

Customer Reviews