ReviewFinder Air Purifiers

Coway Airmega 400S

Ranking:  
Consumer sentiment:
In comparison:
Coway Airmega 400S rank #48 out of 61. Very high levels of customer satisfaction.
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8.7
Great

The product receives great reviews on average (consumer score 8.7). This is below the median air purifier consumer score of 9.1.

About consumer score

Price:
The lowest price we found for Coway Airmega 400S is $483.45, available here. This is above the median air purifier price of $197.
  • Lowest price: $39.99
  • Median price: $197
  • Highest price: $899
  • Coway Airmega 400S price: $483.45
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ReviewFinder: reviews, prices and alternatives summarized by a powerful AI engine.

Best Alternatives

3 best air purifiers in the same price range as Coway Airmega 400S

Scroll to see all options. Click on the air purifier for more details.
Coway Airmega 400 Blueair Blue Pure 121 Dyson Pure Cool Link TP02
Reviews
In comparison:
Coway Airmega 400 rank #7 out of 98. Very high levels of customer satisfaction.
Go to rankings
9.4
Amazing
Reviews
In comparison:
Blueair Blue Pure 121 rank #19 out of 98. Very high levels of customer satisfaction.
Go to rankings
9.6
Amazing
Reviews
In comparison:
Dyson Pure Cool Link TP02 rank #44 out of 98. Very high levels of customer satisfaction.
Go to rankings
8.7
Great
Price
Price
The Coway Airmega 400 is a highly effective air purifier with powerful filtration, large coverage area, quiet operation, air quality monitoring, and energy-saving features, making it a versatile and reliable choice for improving indoor air quality.
Expert consensus not yet generated.
Expert consensus not yet generated.
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Air Purifiers above are offered because they are in the same price range as Coway Airmega 400S. To browse more budget and premium air purifiers go to our air purifier ranking .

Position in ranking

We maintain a monthly ranking that sums up expert recommendations for all air purifiers.

Rank Change Price Air Purifier
The Spruce Pets
NBC News
Popular Mechanics
Business Insider
Forbes
This Old House
Wirecutter
WIRED
Tom's Guide
CNET
1
- $158
Coway AP-1512HH
The Coway AP-1512HH air purifier is highly praised for its comprehensive filtration system, effectiveness at removing pollutants, adjustable fan speeds, built-in air quality sensor, smartphone app connectivity, and energy efficiency.
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1
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6
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1
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4
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2
- $196
Winix 5500-2
The Winix 5500-2 air purifier is highly praised for its effective four-stage filtration system, quiet operation, built-in air quality sensor, and energy efficiency, making it a recommended choice for improving air quality in medium to large-sized rooms.
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10
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3
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5
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3
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Honeywell HPA300
The Honeywell HPA300 True HEPA Air Purifier is a highly praised and efficient option for improving air quality in larger rooms, particularly for individuals with allergies or asthma.
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4
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1
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2
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4
- $197
Coway Airmega 200M
The Coway Airmega 200M is a highly effective air purifier with a 4-stage filtration system that removes pollutants and allergens, making it suitable for pet owners, kitchens, and individuals with allergies or respiratory conditions, while also offering energy-saving features.
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Coway Airmega 400S did not receive any endorsements this month.

Highest recommended air purifiers this month

ReviewFinder ranks based on a combination of customer reviews, expert reviews / mentions and popularity. Expert recommendations carry the highest weight in the ranking. We do not rank based on price, our commission or brand. air purifiers below are at the top of our ranking this March.

Scroll to see all options. Click on the air purifier for more details.
Coway AP-1512HH Winix 5500-2 Honeywell HPA300 Coway Airmega 200M
Reviews
In comparison:
Coway AP-1512HH rank #1 out of 98. Very high levels of customer satisfaction.
Go to rankings
9.6
Amazing
Reviews
We don't yet have enough review information for Winix 5500-2
Reviews
In comparison:
Honeywell HPA300 rank #3 out of 98. Very high levels of customer satisfaction.
Go to rankings
9.4
Amazing
Reviews
In comparison:
Coway Airmega 200M rank #4 out of 98.
Go to rankings
7.7
Good
Price
The Coway AP-1512HH air purifier is highly praised for its comprehensive filtration system, effectiveness at removing pollutants, adjustable fan speeds, built-in air quality sensor, smartphone app connectivity, and energy efficiency. The Winix 5500-2 air purifier is highly praised for its effective four-stage filtration system, quiet operation, built-in air quality sensor, and energy efficiency, making it a recommended choice for improving air quality in medium to large-sized rooms. The Honeywell HPA300 True HEPA Air Purifier is a highly praised and efficient option for improving air quality in larger rooms, particularly for individuals with allergies or asthma. The Coway Airmega 200M is a highly effective air purifier with a 4-stage filtration system that removes pollutants and allergens, making it suitable for pet owners, kitchens, and individuals with allergies or respiratory conditions, while also offering energy-saving features.
More product details More product details More product details More product details
ReviewFinder: reviews, prices and alternatives summarized by a powerful AI engine.