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107
Highlights
62
Differences
9
Reactions
0
Likes
Coway Airmega 400
vs
PuroAir 400 :
107 Highlights & 62 Differences —
So, Which Air Purifier Actually Works Better
Understand ongoing costs and support services so you invest wisely in your indoor air quality.
What sets Coway Airmega 400 and PuroAir 400 apart? We looked at their noise eco mode, filters, spare filters & power adapter and key differences in this complete air purifiers face-off.
Coway Airmega 400 vs PuroAir 400: Detailed Comparison for Smart Air Purification
Both the Coway Airmega 400 and the PuroAir 400 stand out as tower-style air purifiers boasting LED displays, touch controls, and activated carbon filtration designed to enhance indoor air quality. While they both aim to deliver cleaner air by monitoring particulate matter, with sensors for dust, PM10, and PM2.5, they diverge in key areas such as coverage capacity, maintenance demands, safety features, and pricing. Coway targets broader spaces with a substantial 1500 sq ft minimum coverage and includes washable filters that require changing only once a year. Conversely, PuroAir opts for a compact footprint, premium build, and frequent 3-month filter replacements that, although pricier per filter, come with handy maintenance reminders and enhanced safety protections.
The Coway Airmega 400: Robust Performance Meets Extended Maintenance
The Coway Airmega 400 is crafted for users who prioritize expansive air purification and long-term convenience. It offers an extensive A++ energy efficiency rating, which means it runs economically despite filling large rooms. Its operating temperature range of 14 to 104°F also supports use in varied climates, unlike the narrower threshold of its competitor.
Additionally, the Airmega's filters are washable and designed for low-frequency replacement; changing filters just once every 12 months as opposed to every 3 months for PuroAir. This extends usability and reduces recurring expenses, especially since Coway provides some spare filters included in the package. Its weight at 25 lbs and footprint (depth and width both 14.8") reflect its larger, more solid build. Lastly, Coway excels with a comprehensive 5-year onsite warranty and service support, which adds peace of mind for long-term ownership.
PuroAir 400: Compact Design with Enhanced Safety and Eco-Conscious Features
In contrast, the PuroAir 400 is a sleek and portable air purifier tailored to those who value both safety and sustainability in a compact form. Despite its smaller size, only 15 lbs and a depth of 8.1", it does not skimp on protection. It integrates critical safety mechanisms such as power surge protection, auto shutoff, and overheat protection, offering safety that the Coway lacks. Environmentally aware buyers might also appreciate PuroAir's use of eco-friendly materials and recyclable filters, aligning with a greener lifestyle.
Its filtration system demands more frequent attention, with filters needing replacement every 3 months at a cost of around $69 each. Still, the device compensates with a clear maintenance reminder to keep upkeep hassle-free. The PuroAir also shines in a quieter operation with a specified 36 dB noise eco mode. However, it lacks the high coverage area rating of Coway; its premium materials and design quality rank higher. Furthermore, it supports an offline mode, which the Airmega does not offer, slightly improving its operational flexibility.
Quick Take
The Coway Airmega 400 dominates with its expansive coverage area, longer filter lifespan, and a reassuring 5-year onsite warranty that ensures enduring support. Meanwhile, the PuroAir 400 impresses with a compact, premium design packed with vital safety features, eco-friendly credentials, and helpful maintenance reminders that ease regular upkeep.
Bottom Line Recommendation
For consumers who require air purification in larger spaces, want to minimize ongoing filter expenses, and prefer comprehensive warranty support, the $485.88 Coway Airmega 400 is the superior choice. However, if your priorities lean towards safety enhancements, environmental considerations, and affordability with a stylish, space-saving unit, the PuroAir 400 offers compelling value despite its more frequent maintenance schedule and shorter warranty.
Verdict
Winner: Coway Airmega 400 - excels with large-area coverage, longer filter life, superior energy efficiency, and robust 5-year onsite warranty service.
Runner-up: PuroAir 400 - stands out for its compact premium build, advanced safety protections, eco-conscious design, and budget-friendly price.
Side by side. The numbers. The features. No drama.
Can’t decide between Coway Airmega 400 and PuroAir 400 ? This in-depth air purifiers breakdown highlights what makes each product unique — from standout features and hidden quirks to pricing, performance, and what actual users are saying.
Both Coway Airmega 400 and PuroAir 400 feature a tower form factor, providing a slim vertical design that fits well in various spaces, suitable for customers focused on saving floor space.
The overall shape and layout of the device.
In the battle of Form Factor,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Form Factor on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Country Of Origin
What is the country of origin?
72
Coway Airmega 400
1Votes
KR
58
PuroAir 400
0Votes
CN
vs
Country Of Origin
Coway Airmega 400 is made in South Korea (KR), whereas PuroAir 400 is manufactured in China (CN). For buyers prioritizing country of origin, Coway offers Korean manufacturing, which may appeal to some customers.
The country where the product was manufactured.
In the battle of Country Of Origin,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
14 score
measurement.
Based on community votes for Country Of Origin,
Coway Airmega 400 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
The primary purification technologies used by the unit.
In the battle of Technology Type,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Technology Type on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Design Style
What is the design style?
87
Coway Airmega 400
0Votes
Modern
83
PuroAir 400
0Votes
Modern, Minimalist
The visual and structural style of the purifier’s exterior.
In the battle of Design Style,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
4 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Design Style on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Color Options
What color options are offered?
58
Coway Airmega 400
0Votes
White,Graphite
75
PuroAir 400
0Votes
Black
vs
Color Options
Coway Airmega 400 offers White and Graphite color options, while PuroAir 400 is only available in Black. If color choice matters, Coway Airmega 400 provides more variety.
Available color variations for this model.
In the battle of Color Options,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
17 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Color Options on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Control Type
What control types are available?
77
Coway Airmega 400
0Votes
Touch
48
PuroAir 400
0Votes
Touch, Button
vs
Control Type
Coway Airmega 400 utilizes touch controls exclusively, while PuroAir 400 adds button controls alongside touch. Users preferring physical buttons might find PuroAir 400 more user-friendly in control type.
The methods available to operate the device.
In the battle of Control Type,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
29 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Control Type on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Display Type
What is the display type?
57
Coway Airmega 400
0Votes
LED
68
PuroAir 400
0Votes
LED
vs
Display Type
Both Coway Airmega 400 and PuroAir 400 feature an LED display type, offering clear and modern displays. This similarity ensures ease of use and visibility for users of either air purifier.
The kind of display interface provided.
In the battle of Display Type,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Display Type on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
For width, Coway Airmega 400 is 14.8 inches compared to PuroAir 400's 14.4 inches, a minor difference favoring slightly narrower PuroAir, better for tighter spaces.
The horizontal measurement of the air purifier.
In the battle of Width,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
0.4 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Width on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 400 has a depth of 14.8 inches, nearly double PuroAir 400's 8.1 inches, indicating Coway is bulkier depth-wise. Buyers with limited space might prefer PuroAir for its compact depth.
The front-to-back measurement of the purifier.
In the battle of Depth,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
6.7 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Depth on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 400 package weighs 25 lbs compared to PuroAir 400's lighter 15 lbs package weight. Coway's heavier package suggests more robust build or accessories, but PuroAir is easier to carry or move.
The total shipping weight including packaging.
In the battle of Package Weight,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
10.0 lbs
measurement.
Based on community votes for Package Weight,
Coway Airmega 400 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
Both Coway Airmega 400 and PuroAir 400 have a 6 ft (1.83 m) cord length, supporting flexible placement near power sources. This equal specification makes either model convenient for room setup.
The length of the power cord attached to the purifier.
In the battle of Cord Length,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
6.00 ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Cord Length on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Height
What is the height?
22.8
inch
0Votes
21.5
inch
0Votes
PuroAir 400
≈54.6 cm, about the height of a small carry-on suitcase.
The total vertical measurement from base to top.
In the battle of Height,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1.3 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Height on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Weight
What is the weight?
24.7
lbs
0Votes
14.7
lbs
0Votes
PuroAir 400
≈6.67 kg, easy to move room-to-room; built-in handle helps.
The total weight of the air purifier unit.
In the battle of Weight,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
10.0 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Weight on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Package Width
What is the package width?
17.5
inch
0Votes
15
inch
0Votes
The width of the product packaging.
In the battle of Package Width,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
2.5 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Width on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Package Depth
What is the package depth?
17.5
inch
0Votes
0
inch
0Votes
The depth of the product packaging.
In the battle of Package Depth,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
17.5 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Depth on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Package Height
What is the package height?
24.5
inch
0Votes
22
inch
0Votes
The height of the product packaging.
In the battle of Package Height,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
2.5 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Height on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Base Diameter
What is the base diameter?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
The circular base width for tower-style purifiers.
Don’t keep it to yourself — be the first to react and review the
Base Diameter on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Both models function up to 85% relative humidity, with Coway specifying ≤85% RH and PuroAir stating 85% RH exactly, indicating similar performance in humid conditions.
Acceptable relative humidity range for operation.
In the battle of Operating Humidity Range,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
14 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Operating Humidity Range on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Noise Level Max
What is the maximum noise level?
55
dB
0Votes
60
dB
0Votes
Coway Airmega 400
Officially verified max noise at 55 dB, which is quieter than a typical conversation. Ideal for quieter environments such as bedrooms.
PuroAir 400
Similar to normal conversation; cited by PuroAir’s own materials for High speed.
Maximum noise level at highest fan speed.
In the battle of Noise Level Max,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
5.0 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Max on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Power Consumption
What is the power consumption?
66
Watt
0Votes
80
Watt
0Votes
Coway Airmega 400
Verified at 66W from official specs, it’s energy efficient and suitable for long-term use in large rooms.
PuroAir 400
0.08 kW, running 24/7 costs ≈$5.76/month at $0.10/kWh (usage varies by mode).
Average electrical power used during operation.
In the battle of Power Consumption,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
14.0 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Consumption on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Voltage
What is the voltage requirement?
120
Volt
0Votes
120
Volt
0Votes
Coway Airmega 400
Works with standard household outlets (North America).
PuroAir 400
Works with standard North American outlets (120 V, 60 Hz).
Electrical operating voltage required.
In the battle of Voltage,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
120.00 Volt
measurement.
Don’t keep it to yourself — be the first to react and review the
Voltage on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Airflow Direction Type
What is the airflow direction type?
17
Coway Airmega 400
0Votes
Forward
38
PuroAir 400
0Votes
Upward
PuroAir 400
Exhaust is from the top outlet; place 8–12 in (20–30 cm) away from walls for best circulation.
The pattern or direction in which clean air is released.
In the battle of Airflow Direction Type,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
21 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Airflow Direction Type on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Noise Level Min
What is the minimum noise level?
22
dB
0Votes
36
dB
0Votes
PuroAir 400
Library-quiet; comparable to a soft whisper. Walmart lists 36 dB in Sleep mode.
Minimum operating noise level at lowest fan speed.
In the battle of Noise Level Min,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
14.0 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Min on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Frequency
What is the operating frequency?
60
Hz
0Votes
60
Hz
0Votes
vs
Frequency
Both Coway Airmega 400 and PuroAir 400 operate at 60 Hz frequency, ensuring compatibility with standard electrical supply in most regions.
The electrical frequency of operation.
In the battle of Frequency,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
60.00 Hz
measurement.
Don’t keep it to yourself — be the first to react and review the
Frequency on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Energy Efficiency Rating
What is the energy efficiency rating?
95
Coway Airmega 400
1Votes
A++
68
PuroAir 400
0Votes
A+
vs
Energy Efficiency Rating
Coway Airmega 400 holds a higher energy efficiency rating of A++ compared to PuroAir 400's A+, indicating Coway is slightly more energy efficient, beneficial for long-term power savings.
Efficiency classification for energy consumption.
In the battle of Energy Efficiency Rating,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
27 score
measurement.
Based on community votes for Energy Efficiency Rating,
Coway Airmega 400 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
Energy efficiency is better on Coway with its A++ rating versus PuroAir's A+ rating so it saves more power.
See more
Clean Air Delivery Rate
What is the overall CADR?
416
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Measures the total air cleaning rate in cubic feet per minute.
Don’t keep it to yourself — be the first to react and review the
Clean Air Delivery Rate on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
CADR Smoke
What is the CADR for smoke?
328
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Smoke-specific clean air delivery rate.
Don’t keep it to yourself — be the first to react and review the
CADR Smoke on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
CADR Pollen
What is the CADR for pollen?
400
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Pollen-specific clean air delivery rate.
Don’t keep it to yourself — be the first to react and review the
CADR Pollen on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
CADR Dust
What is the CADR for dust?
328
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Dust-specific clean air delivery rate.
Don’t keep it to yourself — be the first to react and review the
CADR Dust on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Air Changes Per Hour
How many air changes per hour?
2
ACH
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Number of complete air changes per hour.
Don’t keep it to yourself — be the first to react and review the
Air Changes Per Hour on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Coverage Area
What is the coverage area?
1,560
sq ft
0Votes
2,000
sq ft
0Votes
The total maximum area the purifier can effectively clean.
In the battle of Coverage Area,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
440.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Coverage Area on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Maximum Coverage Area
What is the maximum coverage area?
3,120
sq ft
0Votes
2,000
sq ft
0Votes
The largest possible area where the air purifier remains effective.
In the battle of Maximum Coverage Area,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1,120.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Coverage Area on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Minimum Coverage Area
What is the minimum coverage area?
1,500
sq ft
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
vs
Minimum Coverage Area
Coway Airmega 400 covers a minimum area of 1500 sq ft, whereas PuroAir 400 does not specify coverage area. This makes Coway more suitable for larger rooms or spaces.
The smallest area recommended for optimal operation.
Don’t keep it to yourself — be the first to react and review the
Minimum Coverage Area on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Max Airflow
What is the maximum airflow rate?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Maximum airflow capacity of the unit.
Don’t keep it to yourself — be the first to react and review the
Max Airflow on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Noise Level Average
What is the average noise level?
39
dB
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Typical average noise during standard operation.
Don’t keep it to yourself — be the first to react and review the
Noise Level Average on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Operating Temperature Range
What is the operating temperature range?
57
Coway Airmega 400
0Votes
14-104°F
78
PuroAir 400
0Votes
41-104°F
vs
Operating Temperature Range
Coway Airmega 400 supports a wider operating temperature range of 14-104°F, while PuroAir 400 operates between 41-104°F. Coway's broader range suits colder environments better.
The recommended ambient temperature range for operation.
In the battle of Operating Temperature Range,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
21 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Operating Temperature Range on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
The filter change frequency is 12 months for Coway Airmega 400 versus just 3 months for PuroAir 400, making Coway more convenient with less frequent filter replacements.
Recommended frequency for changing filters.
In the battle of Filter Change Frequency,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
9.0 month
measurement.
Based on community votes for Filter Change Frequency,
Coway Airmega 400 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
73
PuroAir 400
0Votes
PuroAir 400 Filter
vs
Replacement Filter Model
Coway Airmega 400 does not specify a replacement filter model, while PuroAir 400 uses the PuroAir 400 Filter. PuroAir’s specification aids in easy filter sourcing.
The model number or code for compatible replacement filters.
Don’t keep it to yourself — be the first to react and review the
Replacement Filter Model on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Primary Filter Type
What is the primary filter type?
67
Coway Airmega 400
0Votes
HEPA
68
PuroAir 400
0Votes
HEPA
Coway Airmega 400
The HEPA filter captures 99.97% of particles as small as 0.3 microns, helping remove allergens, dust, and pollutants.
PuroAir 400
PDP/retailers state “HEPA”; no official grade is declared there. If you must record a grade, confirm from packaging.
The main type of filter used to trap fine particles.
In the battle of Primary Filter Type,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Primary Filter Type on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Life Duration
What is the filter life duration?
12
month
0Votes
3
month
0Votes
Coway Airmega 400
Official spec lists 12 months for the filter life. Ensure replacement annually for optimal air purification.
PuroAir 400
≈90 days under typical domestic use; subscription sends a new filter every 3 months.
Expected lifespan of the filter before replacement.
In the battle of Filter Life Duration,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
9.0 month
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Life Duration on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Number Of Filter Stages
How many filter stages are there?
37
Coway Airmega 400
0Votes
3
51
PuroAir 400
0Votes
3
PuroAir 400
Pre-filter (large dust/hair), HEPA (fine particles), and activated carbon (odors/VOCs).
Total number of filtration stages used in the air cleaning process.
In the battle of Number Of Filter Stages,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
14 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Number Of Filter Stages on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Pre Filter Type
What is the pre-filter type?
47
Coway Airmega 400
0Votes
Mesh
78
PuroAir 400
0Votes
Mesh
Coway Airmega 400
The mesh pre-filter captures larger particles like pet hair, extending the life of the HEPA filter.
The type of pre-filter that captures larger dust and hair.
In the battle of Pre Filter Type,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
31 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Pre Filter Type on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
HEPA Filter Grade
What is the HEPA filter grade?
67
Coway Airmega 400
0Votes
H13
98
PuroAir 400
0Votes
H14
Coway Airmega 400
H13 HEPA filter captures 99.97% of ultra-fine particles, including viruses, bacteria, and pollen.
Indicates HEPA filter class and particle capture efficiency.
In the battle of HEPA Filter Grade,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
31 score
measurement.
Don’t keep it to yourself — be the first to react and review the
HEPA Filter Grade on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Replacement Indicator
Does it have a filter replacement indicator?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Coway Airmega 400
The Filter Replacement Indicator lights up when filters need replacing, making maintenance simpler.
Alerts user when it’s time to replace filters.
In the battle of Filter Replacement Indicator,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Indicator on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Activated Carbon Amount
How much activated carbon does it have?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Total amount of activated carbon used in the filter.
Don’t keep it to yourself — be the first to react and review the
Activated Carbon Amount on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
In the battle of Filter Material Composition,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
22 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Material Composition on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Efficiency Percentage
What is the filter efficiency percentage?
99.97
%
0Votes
99.9
%
0Votes
Percentage of particles the filter can capture.
In the battle of Filter Efficiency Percentage,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
0.1 %
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Efficiency Percentage on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Antibacterial Coating
Does it have antibacterial coating?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Indicates if the filter surface has antibacterial treatment.
In the battle of Antibacterial Coating,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Antibacterial Coating on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
UVC Light
Does it include UVC light?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Uses ultraviolet-C light to sterilize bacteria and viruses.
In the battle of UVC Light,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
UVC Light on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Ionizer Function
Does it have ionizer function?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Generates negative ions to capture fine airborne particles.
In the battle of Ionizer Function,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Ionizer Function on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
PlasmaWave Similar Tech
Does it include PlasmaWave or similar tech?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Indicates if PlasmaWave or equivalent ionization technology is used.
In the battle of PlasmaWave Similar Tech,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
PlasmaWave Similar Tech on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Both models provide PM10 sensors, detecting particulate matter sized 10 microns or less, improving air quality monitoring precision.
Detects coarse dust particles (10 microns and larger).
In the battle of PM10 Sensor,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
PM10 Sensor on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Air Quality Sensor
Does it have an air quality sensor?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
vs
Air Quality Sensor
Both Coway Airmega 400 and PuroAir 400 include air quality sensors, allowing real-time monitoring to maintain optimal air conditions.
Detects overall air quality and pollution level.
In the battle of Air Quality Sensor,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Air Quality Sensor on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Dust Sensor
Does it include a dust sensor?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
vs
Dust Sensor
Dust sensors are present on both air purifiers, supporting detection and removal of fine dust particles for healthier air.
Detects airborne dust particles to optimize performance.
In the battle of Dust Sensor,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Dust Sensor on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Odor Sensor
Does it have an odor sensor?
Yes
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Coway Airmega 400
The odor sensor detects unpleasant smells and adjusts filtration to eliminate them.
PuroAir 400
No specific “odor sensor” is claimed; VOC sensor handles gases/odors indirectly.
Detects unpleasant smells or chemical odors.
In the battle of Odor Sensor,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
49 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Odor Sensor on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
VOC Sensor
Does it have a VOC sensor?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Coway Airmega 400
The VOC sensor removes volatile organic compounds (VOCs) found in cleaning supplies, paints, etc.
PuroAir 400
Helps respond to cooking odors, paints, and cleaning chemicals faster in Auto mode.
Detects volatile organic compounds and harmful gases.
In the battle of VOC Sensor,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
VOC Sensor on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Automatic Mode
Does it have an automatic mode?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
PuroAir 400
“Set-and-forget”: unit self-adjusts based on sensor readings. AQI color ring shows current air quality.
Adjusts purification level automatically based on air quality.
In the battle of Automatic Mode,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Automatic Mode on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Auto Dimming Display
Does it have an auto dimming display?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Adjusts screen brightness automatically based on lighting.
In the battle of Auto Dimming Display,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Auto Dimming Display on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Auto Fan Speed Adjustment
Does it support auto fan speed adjustment?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Automatically changes fan speed based on sensor data.
In the battle of Auto Fan Speed Adjustment,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Auto Fan Speed Adjustment on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
CO2 Sensor
Does it include a CO2 sensor?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Monitors carbon dioxide levels in the air.
In the battle of CO2 Sensor,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
CO2 Sensor on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Temperature Sensor
Does it have a temperature sensor?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
vs
Temperature Sensor
Neither Coway Airmega 400 nor PuroAir 400 include temperature sensors, meaning ambient temperature data is not monitored by either unit.
Measures ambient temperature for comfort optimization.
In the battle of Temperature Sensor,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Temperature Sensor on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Humidity Sensor
Does it include a humidity sensor?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Detects humidity level in the environment.
In the battle of Humidity Sensor,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Humidity Sensor on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Light Sensor
Does it have a light sensor?
Yes
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Detects ambient light for automatic display dimming.
In the battle of Light Sensor,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
49 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Light Sensor on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Sensor Accuracy Rating
What is the sensor accuracy rating?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Measures how accurate the sensors are at detecting pollutants.
Don’t keep it to yourself — be the first to react and review the
Sensor Accuracy Rating on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Real Time Air Quality Display
Does it show real-time air quality?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Displays air quality readings instantly on screen or app.
In the battle of Real Time Air Quality Display,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Real Time Air Quality Display on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Filter reset buttons are included on both Coway Airmega 400 and PuroAir 400, supporting easy maintenance by indicating filter status resets.
Dedicated button to reset the filter indicator after replacement.
In the battle of Filter Reset Button,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Reset Button on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Sleep Mode
Does it feature a sleep mode?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Coway Airmega 400
Sleep Mode reduces fan speed and light, making it ideal for nighttime use without disturbing rest.
PuroAir 400
Dims indicators and lowers fan to ~36 dB for bedrooms and nurseries.
Operates quietly with dimmed display for sleeping.
In the battle of Sleep Mode,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sleep Mode on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Child Lock
Does it include a child lock?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
PuroAir 400
Press-and-hold to prevent accidental changes by kids/pets.
Prevents accidental operation by children.
In the battle of Child Lock,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Child Lock on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Error Indicator Light
Does it include an error indicator light?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
PuroAir 400
Manual lists specific indicators (filter/AQ), but not a generic “error” icon; if “Yes,” map to the filter alert specifically.
Displays warnings for operational issues or errors.
In the battle of Error Indicator Light,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Error Indicator Light on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Touch Controls
Does it have touch controls?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Allows operation via touch-sensitive interface.
In the battle of Touch Controls,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Touch Controls on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Touch Sensitivity Level
What is the touch sensitivity level?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Indicates how responsive the touch interface is.
Don’t keep it to yourself — be the first to react and review the
Touch Sensitivity Level on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Physical Buttons
Does it include physical buttons?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Provides tactile buttons for basic operation.
In the battle of Physical Buttons,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Physical Buttons on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Mobile App Control
Can it be controlled through a mobile app?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
vs
Mobile App Control
Both air purifiers lack mobile app control, so remote smartphone operation isn’t available in either Coway Airmega 400 or PuroAir 400.
Enables control via smartphone application.
In the battle of Mobile App Control,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Mobile App Control on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Display Brightness Adjustment
Can the display brightness be adjusted?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
vs
Display Brightness Adjustment
Display brightness adjustment is not available on either Coway Airmega 400 or PuroAir 400, meaning brightness remains fixed during use.
Allows users to adjust the display brightness manually.
In the battle of Display Brightness Adjustment,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Display Brightness Adjustment on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Control Panel Location
Where is the control panel located?
87
Coway Airmega 400
0Votes
Top
38
PuroAir 400
0Votes
Top
Indicates where the main control panel is located.
In the battle of Control Panel Location,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
49 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Control Panel Location on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
WiFi Indicator Light
Does it have a WiFi indicator light?
Yes
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Shows WiFi connectivity status visually.
In the battle of WiFi Indicator Light,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
49 score
measurement.
Don’t keep it to yourself — be the first to react and review the
WiFi Indicator Light on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Fan Speed Levels allow you to adjust from low for quiet operation to high for fast purification.
Lists the available fan speed levels or names.
In the battle of Fan Speed Levels,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
60 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Fan Speed Levels on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Maximum Fan Speed
What is the maximum fan speed?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Maximum fan rotation speed when operating at full power.
Don’t keep it to yourself — be the first to react and review the
Maximum Fan Speed on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Minimum Fan Speed
What is the minimum fan speed?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Lowest rotation speed for quiet or energy-saving mode.
Don’t keep it to yourself — be the first to react and review the
Minimum Fan Speed on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Turbo Mode
Does it include a turbo mode?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
High-power mode for rapid air purification.
In the battle of Turbo Mode,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Turbo Mode on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Manual Mode
Does it include manual mode?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Allows manual fan speed and mode selection by the user.
In the battle of Manual Mode,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Manual Mode on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Custom Mode
Does it support a custom mode?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Lets users set personalized mode settings or schedules.
In the battle of Custom Mode,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Custom Mode on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Oscillation
Does it feature oscillation?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Rotates or swings to distribute air evenly across a room.
In the battle of Oscillation,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Oscillation on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Airflow Direction Control
Can you control the airflow direction?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Allows users to adjust the direction of purified airflow.
In the battle of Airflow Direction Control,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Airflow Direction Control on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Safety & Protection
9
Safety Auto Shutoff
Does it feature safety auto shutoff?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Coway Airmega 400
No auto shutoff is specified, but the purifier automatically turns off when set on timer.
PuroAir 400
Not explicitly documented on PDP; treat as standard protective behavior rather than a selectable mode.
Automatically turns off under unsafe or fault conditions.
In the battle of Safety Auto Shutoff,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Safety Auto Shutoff on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Power Surge Protection
Does it include power surge protection?
No
0Votes
Coway Airmega 400
Yes
1Votes
PuroAir 400
PuroAir 400
Not specified on PDP; if you keep “Yes,” recommend a surge protector for additional protection.
Protects internal components from voltage spikes.
In the battle of Power Surge Protection,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Based on community votes for Power Surge Protection,
Coway Airmega 400 ◉ earned
0 votes,
less than
PuroAir 400 ◉,
which got 1 votes.
PuroAir ticks the power surge protection box which Coway doesn't so might be safer during unexpected outages.
See more
Overheat Protection
Does it have overheat protection?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
PuroAir 400
Typical for ETL/UL-listed appliances; adds safety if vents are blocked.
Prevents damage by automatically shutting down when overheating.
In the battle of Overheat Protection,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Overheat Protection on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Power Failure Memory
Does it have power failure memory?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Coway Airmega 400
No Power Failure Memory: settings are reset after a power outage.
Remembers last settings after a power outage.
In the battle of Power Failure Memory,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Failure Memory on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Electrical Protection Rating
What is the electrical protection rating?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
28
PuroAir 400
0Votes
IP20
PuroAir 400
No IP rating is advertised; indoor-only device, keep away from bathrooms and outdoor moisture.
Indicates protection level against dust or electrical contact.
Don’t keep it to yourself — be the first to react and review the
Electrical Protection Rating on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Fuse Type
What type of fuse does it use?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
38
PuroAir 400
0Votes
Thermal Fuse
PuroAir 400
Fuse type isn’t listed on PDP; confirm from service docs if you must display it.
Identifies the type of fuse used for electrical safety.
Don’t keep it to yourself — be the first to react and review the
Fuse Type on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Tipover Protection
Does it include tipover protection?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Shuts off the device automatically if it tips over.
In the battle of Tipover Protection,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Tipover Protection on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
UV Safety Shield
Does it include a UV safety shield?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Shields users from direct UV light exposure in UV-enabled models.
In the battle of UV Safety Shield,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
UV Safety Shield on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Ozone Emission Safe
Is it ozone emission safe?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Ensures ozone emissions remain within safe levels.
In the battle of Ozone Emission Safe,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Ozone Emission Safe on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Integrated top handle makes room-to-room moves easy; there are no wheels.
Indicates presence of handles or wheels for easier movement.
In the battle of Portability Handles Wheels,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Portability Handles Wheels on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
PuroAir provides a filter replacement cost estimate while Coway's cost info is unavailable which is useful info for budgeting.
See more
Filter Replacement Method
What is the filter replacement method?
0
Coway Airmega 400
0Votes
Slide Out
48
PuroAir 400
0Votes
Pull Out
Describes how the filter can be removed and replaced.
In the battle of Filter Replacement Method,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
48 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Method on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Ease Of Access
How is the ease of access for cleaning or filter changes?
0
Coway Airmega 400
0Votes
Front Access
68
PuroAir 400
0Votes
Rear Access
Indicates how easily users can reach filters and components.
In the battle of Ease Of Access,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
68 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Ease Of Access on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Tool Free Maintenance
Is maintenance tool free?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Allows maintenance without using additional tools.
In the battle of Tool Free Maintenance,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Tool Free Maintenance on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Cleaning Tools
Are cleaning tools included?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Specifies if cleaning accessories are provided with the unit.
In the battle of Cleaning Tools,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Cleaning Tools on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Maintenance Indicator
Does it have a maintenance indicator?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Alerts when maintenance or cleaning is needed.
In the battle of Maintenance Indicator,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Maintenance Indicator on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Maintenance Frequency Reminder
Does it include a maintenance frequency reminder?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Provides reminders for regular filter replacement or cleaning.
In the battle of Maintenance Frequency Reminder,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Maintenance Frequency Reminder on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Operates fully even without an internet connection.
In the battle of Offline Mode,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Offline Mode on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
WiFi Connectivity
Does it have WiFi connectivity?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
PuroAir 400
This model is offline-only; for app control, see PuroAir 130i.
Indicates if the air purifier can connect to WiFi for app or remote control.
In the battle of WiFi Connectivity,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
WiFi Connectivity on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Bluetooth Connectivity
Does it have Bluetooth connectivity?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Allows wireless connection via Bluetooth for setup or local control.
In the battle of Bluetooth Connectivity,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Bluetooth Connectivity on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Cloud Connectivity
Does it support cloud connectivity?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Connects to cloud services for remote access and data sync.
In the battle of Cloud Connectivity,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Cloud Connectivity on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
App Integration
Does it integrate with mobile apps?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Integrates with manufacturer or third-party mobile applications.
In the battle of App Integration,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
App Integration on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Voice Assistant Compatibility
Which voice assistants is it compatible with?
0
Coway Airmega 400
0Votes
None
0
PuroAir 400
0Votes
None
Specifies which voice assistants are supported.
In the battle of Voice Assistant Compatibility,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Voice Assistant Compatibility on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
IFTTT Or Smart Home Integration
Does it support IFTTT or smart home integration?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Integrates with automation platforms like IFTTT or smart home hubs.
In the battle of IFTTT Or Smart Home Integration,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
IFTTT Or Smart Home Integration on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Firmware Update Capability
Can it update firmware automatically?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Allows over-the-air firmware updates for new features or bug fixes.
In the battle of Firmware Update Capability,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Firmware Update Capability on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Remote Start Stop
Can it be started or stopped remotely?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Enables turning the purifier on or off remotely via app or voice.
In the battle of Remote Start Stop,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Remote Start Stop on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Multi-Device Sync
Does it support multi-device sync?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Synchronizes multiple purifiers or devices under one control.
In the battle of Multi-Device Sync,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Multi-Device Sync on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Data Logging
Does it support data logging?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Logs air quality, usage, and performance data for analysis.
In the battle of Data Logging,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Data Logging on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Usage History
Does it keep usage history?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Records previous usage patterns and air quality stats.
In the battle of Usage History,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Usage History on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
PuroAir is quieter on eco mode at 36 dB which is noticeably better than Coway's lack of data but likely louder.
See more
Eco Friendly Materials
Are eco-friendly materials used?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Indicates whether the product uses eco-friendly materials.
In the battle of Eco Friendly Materials,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Eco Friendly Materials on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Recyclable Filters
Are the filters recyclable?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Indicates if filters are recyclable after use.
In the battle of Recyclable Filters,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Recyclable Filters on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Sustainable Packaging
Is the packaging sustainable?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Describes if the packaging uses recyclable or biodegradable materials.
In the battle of Sustainable Packaging,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Sustainable Packaging on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Low Ozone Emission
Does it have low ozone emission?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Ensures minimal ozone emission during operation.
In the battle of Low Ozone Emission,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Low Ozone Emission on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Carbon Footprint Rating
What is its carbon footprint rating?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Approximate carbon footprint of the device’s lifecycle.
Don’t keep it to yourself — be the first to react and review the
Carbon Footprint Rating on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Standby Power Usage
How much power does it use on standby?
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Power consumption when the device is on standby mode.
Don’t keep it to yourself — be the first to react and review the
Standby Power Usage on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Specifies if an external power adapter is provided.
In the battle of Power Adapter,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Adapter on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Power Cord
Is the power cord included?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Coway Airmega 400
Comes with a 6-foot power cord, providing flexibility in placement.
States whether a power cord is included in the box.
In the battle of Power Cord,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Cord on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Replacement Tool
Is a filter replacement tool included?
No
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
Indicates whether a tool for filter replacement is provided.
In the battle of Filter Replacement Tool,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Tool on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Setup Guide
Is there a setup guide included?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Confirms if a setup or quick start guide is provided.
In the battle of Setup Guide,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Setup Guide on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
User Manual
Is a user manual included?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Confirms the presence of a printed or digital user manual.
In the battle of User Manual,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
User Manual on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Warranty Card
Is a warranty card included?
Yes
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Indicates the inclusion of a warranty registration card.
In the battle of Warranty Card,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Warranty Card on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
What is the typical customer support response time?
24
hours
0Votes
24
hours
0Votes
Average time for customer support to respond.
In the battle of Response Time,
Coway Airmega 400 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
24.00 hours
measurement.
Don’t keep it to yourself — be the first to react and review the
Response Time on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Extended Warranty Availability
Is extended warranty available?
No
0Votes
Coway Airmega 400
Yes
0Votes
PuroAir 400
Indicates whether extended warranty options are offered.
In the battle of Extended Warranty Availability,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Extended Warranty Availability on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Service Center Availability
What is the service center coverage?
0
Coway Airmega 400
0Votes
Nationwide
98
PuroAir 400
0Votes
Nationwide
Describes the scope of service center availability.
In the battle of Service Center Availability,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
98 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Service Center Availability on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Onsite Service Availability
Is onsite service available?
Yes
0Votes
Coway Airmega 400
No
0Votes
PuroAir 400
States whether technicians can provide onsite service or repair.
In the battle of Onsite Service Availability,
Coway Airmega 400 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
49 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Onsite Service Availability on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Customer Support Channel
What are the customer support channels?
0
Coway Airmega 400
0Votes
Phone, Email, Live Chat, Website
38
PuroAir 400
0Votes
Phone, Email, Website
Lists available communication channels for customer support.
In the battle of Customer Support Channel,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
38 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Customer Support Channel on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Online Support Platform
What online support platform is available?
0
Coway Airmega 400
0Votes
Website
78
PuroAir 400
0Votes
Website
Specifies the platform used for online support or warranty registration.
In the battle of Online Support Platform,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
78 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Online Support Platform on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Return Policy
What is the return policy duration?
0
Coway Airmega 400
0Votes
30 Days
58
PuroAir 400
0Votes
30 Days
Defines the allowable time period for product returns.
In the battle of Return Policy,
Coway Airmega 400 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
58 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Return Policy on Coway Airmega 400 ◉
vs PuroAir 400 ◉ and help others decide!
Surveys
Because hot takes deserve votes.
Air Cleaning Performance
How effective is this air purifier at cleaning the air in a typical room?
Excellent purification — Removes over 99% of particles
0Votes
0Votes
Very good — Removes 95% to 99% of particles
0Votes
0Votes
Decent — Removes 85% to 95% of particles
0Votes
0Votes
Weak — Removes 70% to 85% of particles
0Votes
0Votes
Poor — Removes under 70% of particles
0Votes
0Votes
Air Circulation Speed
How quickly does this air purifier clean the air in a medium-sized room?
Very fast — Under 10 minutes
0Votes
0Votes
Fast — 10 to 20 minutes
0Votes
0Votes
Moderate — 20 to 30 minutes
0Votes
0Votes
Slow — 30 to 45 minutes
0Votes
0Votes
Very slow — Over 45 minutes
0Votes
0Votes
Noise Level
How quiet is this air purifier during normal operation?
Very quiet — Under 25 dB
0Votes
0Votes
Quiet — 25 to 35 dB
0Votes
0Votes
Moderate — 35 to 45 dB
0Votes
0Votes
Loud — 45 to 55 dB
0Votes
0Votes
Very loud — Over 55 dB
0Votes
0Votes
Ease of Setup
How easy was it to set up this air purifier for first-time use?
Extremely easy — Ready to use within minutes
0Votes
0Votes
Easy — A few steps but clear instructions
0Votes
0Votes
Average — Needed some effort but manageable
0Votes
0Votes
Tricky — Confusing or unclear setup steps
0Votes
0Votes
Frustrating — Difficult and time-consuming setup
0Votes
0Votes
Filter Replacement Convenience
How easy is it to replace the filter on this air purifier?
Very simple — Quick and tool-free
0Votes
0Votes
Easy — Takes only a few minutes
0Votes
0Votes
Average — Manageable but a bit fiddly
0Votes
0Votes
Hard — Requires tools or careful handling
0Votes
0Votes
Very hard — Complicated or frustrating process
0Votes
0Votes
Filter Lifespan
How long does the filter in this air purifier typically last?
Very long — Over 12 months
0Votes
0Votes
Long — 9 to 12 months
0Votes
0Votes
Average — 6 to 9 months
0Votes
0Votes
Short — 3 to 6 months
0Votes
0Votes
Very short — Under 3 months
0Votes
0Votes
Energy Consumption
How energy-efficient is this air purifier during daily use?
Very efficient — Under 30 watts
0Votes
0Votes
Efficient — 30 to 50 watts
0Votes
0Votes
Moderate — 50 to 80 watts
0Votes
0Votes
High — 80 to 120 watts
0Votes
0Votes
Very high — Over 120 watts
0Votes
0Votes
Design Appeal
How would you rate the design and appearance of this air purifier?
Sleek and stylish — Looks modern and fits any room
0Votes
0Votes
Clean and simple — Looks nice and unobtrusive
0Votes
0Votes
Average — Functional but plain
0Votes
0Votes
Bulky — Takes space and looks outdated
0Votes
0Votes
Clunky — Unattractive and poorly designed
0Votes
0Votes
Portability and Size
How convenient is the size and portability of this air purifier?
Very compact — Under 10 pounds
0Votes
0Votes
Compact — 10 to 15 pounds
0Votes
0Votes
Medium — 15 to 20 pounds
0Votes
0Votes
Large — 20 to 25 pounds
0Votes
0Votes
Very large — Over 25 pounds
0Votes
0Votes
Pricing
How do you feel about the price of this air purifier?