Written by Morgan Bailee Boggess McCoy November 23, 2021

The low price of the Coway Smart Air Purifier on Black Friday.

 If you recently moved into a new home that requires air fresheners, a high-quality air purifier can solve the problem. Or, even if it is not the seasonal change, you will have severe allergies when you wake up? Or are you interested in fighting against airborne viruses? If so, investing in an air purifier may be your priority. 

This Black Friday, Coway is offering some amazing deals on air purifiers on Amazon. The Coway Airmega 400(G) smart air purifier is priced at $377.39 on Amazon. Another model, the Coway Airmega 400S, is also sold on Amazon for $374.72. 

Both models are compact, measuring 14.8x14.8x22.8 inches and weighing only 24.7 pounds, which means they can be easily moved from room to room. They are designed to cover large spaces up to 1,560 square feet and are perfect for spacious houses or large open areas. Both are corded electric devices that can be inserted at your convenience. 

The Conway Airmega Smart Air Purifier costs less than US$400, making it the perfect choice for people on a moderate budget looking for cleaner air at home. Keep reading for more specific information about each unit, please check our guide to the best air purifiers for more options.

Coway Airmega 400(G) Smart Air Purifier: $749 at Amazon $377.39 

The 400(G) Smart Air Purifier uses fashionable granite color, but is equipped with an LED ring light sensor that allows you to monitor the air quality in your home in real time. The following colors indicate good, medium, unhealthy, and very unhealthy air quality: blue, purple, fuchsia, and red. It can also run on 1, 4 or 8 hour timers. 

Both air purifiers are equipped with Max2 filters, which combine activated carbon and TRUE HEPA filters to significantly reduce the number of pollen, fine dust, mold, bacteria, and other pollutants in the air by 99.97%. It can also filter out 99% of potentially harmful organic compounds, such as NH3 (ammonia) and CH3CO (acetaldehyde). Food odors, cigarette smoke, toxic gases, pet odors, volatile organic compounds and general odors can also be eliminated by this filter system. It also includes a washable permanent filter to capture larger particles such as dust collected over time and human or pet hair. If you are concerned about pet hair or pollen, be sure to read our guide to the best allergy air purifiers for more professional equipment.

The 400(G) model uses smart technology with a ring-shaped LED light sensor that allows you to monitor air quality in a few seconds. It has five fan modes: smart, sleep, low, medium and high. The maximum sound is 43.2 decibels, which means it will not cause much disturbance to your home. 

Taking smart technology a step further, the 400S model can be connected to any Alexa or Google home unit, and can use the corresponding application for voice control. The Coway app also allows you to operate the air purifier directly from your mobile phone, monitor indoor and outdoor air quality, check filter notification or speed, and operate smart mode control and scheduling. 

Both of these machines have received high ratings on Amazon, and reviewers say they are high-quality and durable machines.  

Check out Live Science's special offers on Dyson air purifiers and air purifiers.

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