AirMega 400 Sleep Mode 24/7 Air Purifier

Last updated: January 12, 2023


We looked at the top Air Purifiers and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Air Purifier you should buy.

Product Details

In our analysis of 54 expert reviews, the AirMega 400 Sleep Mode 24/7 Air Purifier placed 8th when we looked at the top 16 products in the category. For the full ranking, see below.

From The Manufacturer

The most advanced air purifier developed by Coway. Air mega is a connected air purifier, that intelligently, effectively and quietly cleans the air in your home. Its dual-filtration system removes 99.97percent of particulate matter from the air, while the accompanying pollution indicator allows you to monitor and manage air quality real-time.

Expert Reviews


What reviewers liked

It’s one of the best-performing purifiers we’ve ever tested, and it maintains its performance for years.
It also has a filter life indicator – that means you’ll be able to see exactly how much your current filter is used up, and how much you have left before you have to change it
Numerous smart modes, Smartphone/Alexa compatible, Quiet operation

What reviewers didn't like

Covers a smaller area than stated by the manufacturer
View our Air Purifier buying guide for in-depth advice and recommendations.

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