Coway Airmega 400s: The Smarter App Enabled Air Purifier Review

The Coway Airmega 400S The Smarter App Enabled Air Purifier is an air purifier that allows you to control the air quality around your home with just a few taps on your smartphone!. It sounds too good to be true but it’s real, alright. With the increasing amount of air pollution present in our society, with Airmega’s Air Purifier, you can easily track the quality of the air that you are breathing.

AIRMEGA 400S The Smarter App Enabled Air Purifier

Coway Airmega 400S Air Purifier Features

  • The MAX2 Filter Set is a top-notch filtering system that removes 97% of molds, allergens, and fine dusts in the air. While the activated carbon helps clean the air off of 99% of VOCs and odor
  • Smart Mode automatically adjusts the fan settings to fit the air condition and make the quality better. This makes it less hassle for the user to adjust it manually (which, by the way, requires technical knowledge and a bit of understanding with air quality)
  • Eco Mode automatically shuts down the fan to conserve electrical energy once it sensors that the air quality has been fresh and healthy for a constant 10 minutes. This helps the user save money by cutting down on the electric bills and makes it extra convenient as there is no need for manual shut down
  • Real-time Air Quality Monitoring informs you if the air you are breathing is clean, fresh and healthy or dirty, polluted and unhealthy
  • Airmega mobile app to gives you the ability to see the air quality, monitor it and filter it with just a few swipes!. When connected to the Airmega mobile app, monitoring the air quality becomes as easy as one, two, three and you can easily monitor and adjust it as long as your device has Wi-Fi connection. So even if you are in the other room, you can sensor how the air quality’s doing over the covered
  • The Filter Lifespan Indicator will tell you when it is time to change your MAX2 filter set. Unlike other air purifies, the MAX2 filter set’s lifespan depends on the amount of usage and not the time since you bought it
  • Airmega air purfier 400s covers a large area of 1560 sq. ft. that makes it perfect to be places on a room, the living room, the kitchen or anywhere else inside the house for that matter. Airmega 400s CADR Rating 328 for Dust and Smoke, 400 for Pollen


  • It's modern design and one of the best looking air purifiers. Also with the standard color of white it will surely fit any type of household and will easily blend in with any kind of interior décor
  • The Air Purifier is quiet on the lowest setting. It does sound like a large fan for higher settings though
  • Ideal for allergy and asthma sufferers
  • The mobile app and set up is simple and painless
  • Energy Star certified and relatively energy efficient


  • Require Airmega 400S Replacement Filter
  • The App is glitchy
  • The screen is very sensitive so that slightly adjusting the machine placement can result in activating a setting by accident

The Airmega 400S Air Purifier is one the most advanced air purifiers out there in the market which removes up to 97% of mold, allergens and fine dusts and 99% of VOCs and odor in the air. It is versatile and convenient to use but does require some maintenance work and upkeep to make the air purifier work like it’s always brand new. It’s very easy to you and friendly to non-tech-savvy users and has automatic sensors that fits any type of air condition. So no more need for you to manually adjust things.

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