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Coway Airmega 450 Large Room Home and Office HEPA Air Purifier

SKU: co18237  |  Model: AIRMEGA 450 (BG)
5.0
Rated 5.0 out of 5 stars
6 Reviews
Sale price $39999 Regular price $49999

Color

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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

Description

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.

Specifications

    Key Specifications

    • Filtration System
      Pre-Filter, Carbon Filter, HEPA Filter
    • Manufacturer-Suggested Room Size (sq. ft.)
      3285
    • Number of Speeds
      3
    • Type
      Portable

    General

    • Color
      Beige: White
      White: Beige
    • Controls
      Electronic
    • Recommended For
      Allergies, Asthma, Smoke, Odor & Chemical, Pet Hair, General Air Quality, Residential

    Power

    • Voltage (V)
      110-120

    Dimensions

    • Depth (in.)
      13.4
    • Height (in.)
      29.5
    • Width (in.)
      13.4

    Additional Features

    • Additional Features
      Energy Star, Filter Change Indicator, Programmable Timer, Sleep Mode, Medical-Grade Filtration, CARB Certified

    Warranty

    • Manufacturer's Warranty
      3-Year Motor and Electronic Parts Limited Warranty; 1-Year All Other Internal Parts Limited Warranty

Frequently Asked Questions

What is Sylvane's shipping and return policy?

Sylvane offers free standard shipping on orders over $45 to the lower 48 states. Orders under $45 ship for $5.95. Shipping to Hawaii, Alaska, and Canada may cost extra, and we don’t ship to other international locations. Most orders ship within 1–2 business days. We’re committed to your shopping satisfaction, so we offer a 30-Day Money-Back Guarantee on our products and a no-hassle return process.

Customer Reviews

5.0
Rated 5.0 out of 5 stars
Based on 6 reviews
100%would recommend this product
Product QualityRated 5.0 on a scale of 1 to 5
Value for MoneyRated 4.6 on a scale of 1 to 5
Ease of UseRated 5.0 on a scale of 1 to 5
6 reviews
  • JG
    Judy G.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    Yesterday
    Easy to use

    Once I accessed the filter packaging, it was a breeze. Opening the unit was a challenge

  • JR
    James R.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    5 days ago
    Excellent

    High quality. Works great!

  • LP
    Lisa P.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    Best machine at the best price

    I knew I wanted the Coway but didn't want the blocky 400, and this was a great choice for us. It covers more square feet and the style is less obtrusive and smaller footprint. It was shipped quickly and with excellent packaging. I highly recommend the machine and Sylvane!

  • S
    Sanjiv
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    5 Stars

    Prompt delivery and amazing customer support. Very competitive prices indeed.