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135
Highlights
85
Differences
7
Reactions
0
Likes
Blue Pure 311i+ Max
vs
Coway Airmega 400:
135 Highlights & 85 Differences —
So, Which Air Purifier Actually Works Better
Big price difference, but is the Coway Airmega 400 really worth it? Let’s see how it stacks up against the Blueair 311i+ Max.
What sets Blue Pure 311i+ Max and Coway Airmega 400 apart? We looked at their auto fan speed adjustment, power surge protection, warranty duration & width and key differences in this complete air purifiers face-off.
Blueair 311i+ Max vs Coway Airmega 400: Which Air Purifier Reigns Supreme?
When it comes to air purifiers, few models offer as many features and benefits as the Blueair 311i+ Max and Coway Airmega 400. Both are designed to improve indoor air quality with cutting-edge filtration technologies and smart features, but they cater to different needs and preferences. While both units use HEPA and activated carbon filters for air purification, their sizes, performance capabilities, and smart features set them apart. In this detailed comparison, we’ll examine their key similarities, differences, and performance to help you make an informed decision.
What Makes the Blueair 311i+ Max Stand Out?
The Blueair 311i+ Max is a compact, high-performance air purifier designed to efficiently purify rooms up to 387.5 square feet. With a modern console design, it provides superior air quality control with a Clean Air Delivery Rate (CADR) of 250 cfm for smoke, dust, and pollen. This model shines with its wide operating temperature range of -10 to 60°F and low power consumption of just 38 watts, making it a perfect choice for eco-conscious users.
Available at $229 at Amazon, it also offers WiFi connectivity and mobile app control, features that set it apart from the competition. One of the Blueair 311i+ Max’s major advantages is its ability to provide air changes per hour (ACH) at a rate of 4.8, which means it can cycle the air in a room nearly five times per hour for fast purification.
The unit also includes four filtration stages, including a fabric pre-filter, HEPA filter, and activated carbon for a comprehensive cleaning process. Plus, it offers a 99.97% filter efficiency percentage, ensuring that even the smallest particles are captured.
Why the Coway Airmega 400 Still Holds Its Ground
The Coway Airmega 400, while larger and heavier than the Blueair 311i+ Max, is a robust performer for larger spaces, providing coverage for up to 1,560 square feet. It has a superior Clean Air Delivery Rate (CADR) of 416 cfm, handling smoke, pollen, and dust with ease. With a higher CADR, the Airmega 400 delivers fast purification and is ideal for bigger homes or open-plan areas.
The design is a classic tower unit, and it comes in two color options: white and graphite.In addition to the impressive CADR, the Coway Airmega 400 offers a longer filter life, lasting up to 12 months between replacements. This makes it a low-maintenance option compared to other models. Despite the higher replacement cost of the filters, users benefit from its longevity.
The Airmega 400 also offers more advanced filtration with a three-stage system that includes a mesh pre-filter, HEPA filter, and activated carbon filter.Unlike the Blueair model, the Coway Airmega 400 doesn’t have app control or smart connectivity. However, it makes up for this with manual settings and features like the timer function and sleep mode for user convenience. Plus, it includes essential certifications like Energy Star and CARB for compliance and efficiency.
Quick Take: Comparing the Highlights
When it comes to performance, the Blueair 311i+ Max wins on the eco-friendly front, offering lower power consumption, WiFi connectivity, and more intelligent features, such as app control and Alexa/Google Assistant compatibility. Its compact size makes it suitable for smaller rooms, and it’s incredibly easy to maintain with tool-free cleaning.
On the other hand, the Coway Airmega 400 excels in larger spaces, delivering superior CADR and a longer filter life, making it the better choice for high-traffic areas or large homes. Pricing also plays a role in their appeal. The $229 Blueair 311i+ Max at Amazon is more affordable, while the Coway Airmega 400 is priced at $499 at Coway Mega, which could be a significant investment for those with budget constraints.
Closing Recommendation: Which One Should You Choose?
If you need a compact, efficient air purifier for a medium-sized room and value modern features like app control and smart connectivity, the Blueair 311i+ Max is the way to go. It provides excellent filtration and offers the convenience of smart home integration, all at a more affordable price. For those who require higher performance in larger spaces or want a unit with a longer filter life and slightly quieter operation, the Coway Airmega 400 is a better fit. It may not be as tech-savvy, but its power and efficiency make it a standout for larger environments.
Verdict
Winner:Blueair 311i+ Max – Offers superior smart features, eco-friendliness, and affordability.
Runner-up:Coway Airmega 400 – Best for larger spaces with higher CADR and longer filter life, but more expensive.
Side by side. The numbers. The features. No drama.
Whether you’re leaning toward Blue Pure 311i+ Max or tempted by Coway Airmega 400, this full air purifiers breakdown lays out their differences clearly. From highlights to hidden quirks, we’ve compared them all — so you don’t have to.
General Information
13
Model Name
What is the model name?
64
Blue Pure 311i+ Max
0Votes
Blue Pure 311i+ Max
71
Coway Airmega 400
0Votes
Airmega 400
The official name or model identifier of the air purifier.
In the battle of Model Name,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
7 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Model Name on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Model Type
What type of model is this?
58
Blue Pure 311i+ Max
0Votes
Console
67
Coway Airmega 400
0Votes
Tower
The structural style or type of the air purifier.
In the battle of Model Type,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
9 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Model Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Product Series
What is the product series?
59
Blue Pure 311i+ Max
0Votes
Blue Pure
59
Coway Airmega 400
0Votes
Airmega
Indicates which product line or series the model belongs to.
In the battle of Product Series,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Product Series on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Release Year
What year was it released?
91
Blue Pure 311i+ Max
0Votes
2023
52
Coway Airmega 400
0Votes
2018
The year the model was first released to market.
In the battle of Release Year,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
39 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Release Year on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Intended Room Type
What room type is it intended for?
31
Blue Pure 311i+ Max
0Votes
Bedroom, Living Room, Office
50
Coway Airmega 400
0Votes
Living Room, Bedroom
Specifies what kind of room the air purifier is designed for.
In the battle of Intended Room Type,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
19 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Intended Room Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Recommended Room Size
What is the recommended room size?
387.5
sq ft
0Votes
1,560
sq ft
0Votes
The ideal room area for optimal purification performance.
In the battle of Recommended Room Size,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
1,172.5 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Recommended Room Size on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Technology Type
What technology does it use?
51
Blue Pure 311i+ Max
0Votes
HEPA, Activated Carbon
The primary purification technologies used by the unit.
In the battle of Technology Type,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Technology Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Design Style
What is the design style?
88
Blue Pure 311i+ Max
0Votes
Modern
87
Coway Airmega 400
0Votes
Modern
The visual and structural style of the purifier’s exterior.
In the battle of Design Style,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Design Style on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Color Options
What color options are offered?
60
Blue Pure 311i+ Max
0Votes
White
58
Coway Airmega 400
0Votes
White,Graphite
Available color variations for this model.
In the battle of Color Options,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Color Options on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Form Factor
What is the form factor?
68
Blue Pure 311i+ Max
0Votes
Console
37
Coway Airmega 400
0Votes
Tower
The overall shape and layout of the device.
In the battle of Form Factor,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
31 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Form Factor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Control Type
What control types are available?
53
Blue Pure 311i+ Max
0Votes
Button, App
77
Coway Airmega 400
0Votes
Touch
The methods available to operate the device.
In the battle of Control Type,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
24 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Control Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Display Type
What is the display type?
68
Blue Pure 311i+ Max
0Votes
LED
57
Coway Airmega 400
0Votes
LED
The kind of display interface provided.
In the battle of Display Type,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Display Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Country Of Origin
What is the country of origin?
58
Blue Pure 311i+ Max
0Votes
CN
72
Coway Airmega 400
0Votes
KR
The country where the product was manufactured.
In the battle of Country Of Origin,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
14 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Country Of Origin on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max is significantly lighter, weighing 7.8 lbs (3.54 kg), compared to the hefty Coway Airmega 400 at 24.7 lbs (11.2 kg), making it easier to move around.
The total weight of the air purifier unit.
In the battle of Weight,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
lower
16.9 lbs
measurement.
Based on community votes for Weight,
Blue Pure 311i+ Max ◉ earned
1 votes,
more than
Coway Airmega 400 ◉,
which got 0 votes.
The Blueair 311i+ Max is more compact with a width of 12.6 inches (32 cm), compared to the larger Coway Airmega 400 at 14.8 inches (37.5 cm). This makes the Blueair a better option for smaller spaces.
The horizontal measurement of the air purifier.
In the battle of Width,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
lower
2.2 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Width on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max has a depth of 12.6 inches (32 cm), while the Coway Airmega 400 is deeper at 14.8 inches (37.5 cm), making the Blueair a better choice for tight spaces.
The front-to-back measurement of the purifier.
In the battle of Depth,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
lower
2.2 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Depth on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max is shorter at 19.09 inches (48.5 cm) compared to the taller Coway Airmega 400, which stands at 22.8 inches (58 cm), making the Blueair more compact overall.
The total vertical measurement from base to top.
In the battle of Height,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
3.7 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Height on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Cord Length
What is the cord length?
5.64
ft
0Votes
6
ft
0Votes
Blue Pure 311i+ Max
The cord length is 1.72 meters, a decent length for most room setups without needing an extension cord.
The length of the power cord attached to the purifier.
In the battle of Cord Length,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
0.4 ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Cord Length on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Package Width
What is the package width?
12.5
inch
0Votes
17.5
inch
0Votes
The width of the product packaging.
In the battle of Package Width,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
lower
5.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Width on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Package Depth
What is the package depth?
12.5
inch
0Votes
17.5
inch
0Votes
The depth of the product packaging.
In the battle of Package Depth,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
lower
5.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Depth on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Package Height
What is the package height?
20
inch
0Votes
24.5
inch
0Votes
The height of the product packaging.
In the battle of Package Height,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
lower
4.5 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Height on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Package Weight
What is the package weight?
7.9
lbs
0Votes
25
lbs
0Votes
The total shipping weight including packaging.
In the battle of Package Weight,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
lower
17.1 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Weight on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Base Diameter
What is the base diameter?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
Who knows?
0Votes
Coway Airmega 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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Coway Airmega 400 operates at a higher maximum noise level of 55 dB, while the Blueair 311i+ Max reaches 50 dB, making the Blueair slightly quieter at full speed.
Maximum noise level at highest fan speed.
In the battle of Noise Level Max,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
lower
5.0 dB
measurement.
Based on community votes for Noise Level Max,
Blue Pure 311i+ Max ◉ earned
1 votes,
more than
Coway Airmega 400 ◉,
which got 0 votes.
The Blueair 311i+ Max is more energy-efficient, consuming just 38 watts, while the Coway Airmega 400 uses 66 watts, which may lead to higher energy costs over time.
Average electrical power used during operation.
In the battle of Power Consumption,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
lower
28.0 Watt
measurement.
Based on community votes for Power Consumption,
Blue Pure 311i+ Max ◉ earned
1 votes,
more than
Coway Airmega 400 ◉,
which got 0 votes.
The Coway Airmega 400 excels with a higher clean air delivery rate (CADR) of 416 cfm (cubic feet per minute), offering faster purification in larger spaces, compared to the Blueair’s 250 cfm.
Measures the total air cleaning rate in cubic feet per minute.
In the battle of Clean Air Delivery Rate,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
166.0 cfm
measurement.
Based on community votes for Clean Air Delivery Rate,
Blue Pure 311i+ Max ◉ earned
0 votes,
less than
Coway Airmega 400 ◉,
which got 1 votes.
The Blueair 311i+ Max is suited for smaller rooms, with a recommended coverage area of 387.5 sq ft (36 m²), while the Coway Airmega 400 covers a much larger area of up to 1,560 sq ft (145 m²).
The total maximum area the purifier can effectively clean.
In the battle of Coverage Area,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
1,172.5 sq ft
measurement.
Based on community votes for Coverage Area,
Blue Pure 311i+ Max ◉ earned
0 votes,
less than
Coway Airmega 400 ◉,
which got 1 votes.
The Blueair 311i+ Max offers upward airflow, which can be beneficial for better air circulation, while the Coway Airmega 400 directs airflow forward for a more focused air delivery.
The pattern or direction in which clean air is released.
In the battle of Airflow Direction Type,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
21 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Airflow Direction Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max operates at a quieter average noise level of 40 dB compared to the Coway Airmega 400's 39 dB, making both units relatively quiet but the Blueair marginally better.
Typical average noise during standard operation.
In the battle of Noise Level Average,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
higher
1.0 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Average on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Both models are rated A++ for energy efficiency, ensuring they perform well while consuming minimal power, helping users save on electricity bills.
Efficiency classification for energy consumption.
In the battle of Energy Efficiency Rating,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
17 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Energy Efficiency Rating on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Voltage
What is the voltage requirement?
220
Volt
0Votes
120
Volt
0Votes
Blue Pure 311i+ Max
Compatible with standard household outlets (220V), but be sure to check your region’s voltage requirements before use.
Coway Airmega 400
Works with standard household outlets (North America).
Electrical operating voltage required.
In the battle of Voltage,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
100.0 Volt
measurement.
Don’t keep it to yourself — be the first to react and review the
Voltage on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Noise Level Min
What is the minimum noise level?
23
dB
0Votes
22
dB
0Votes
Blue Pure 311i+ Max
At its lowest setting, this air purifier is as quiet as a whisper or the sound of a ticking clock. It's perfect for bedrooms or during sleep mode.
Minimum operating noise level at lowest fan speed.
In the battle of Noise Level Min,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
higher
1.0 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Min on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Frequency
What is the operating frequency?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
60
Hz
0Votes
Coway Airmega 400
Compatible with North American electrical standards.
The electrical frequency of operation.
Don’t keep it to yourself — be the first to react and review the
Frequency on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
CADR Smoke
What is the CADR for smoke?
250
cfm
0Votes
328
cfm
0Votes
Smoke-specific clean air delivery rate.
In the battle of CADR Smoke,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
78.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
CADR Smoke on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
CADR Pollen
What is the CADR for pollen?
250
cfm
0Votes
400
cfm
0Votes
Pollen-specific clean air delivery rate.
In the battle of CADR Pollen,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
150.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
CADR Pollen on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
CADR Dust
What is the CADR for dust?
250
cfm
0Votes
328
cfm
0Votes
Dust-specific clean air delivery rate.
In the battle of CADR Dust,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
78.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
CADR Dust on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Air Changes Per Hour
How many air changes per hour?
4.8
ACH
0Votes
2
ACH
0Votes
Number of complete air changes per hour.
In the battle of Air Changes Per Hour,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
2.8 ACH
measurement.
Don’t keep it to yourself — be the first to react and review the
Air Changes Per Hour on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Maximum Coverage Area
What is the maximum coverage area?
929
sq ft
0Votes
3,120
sq ft
0Votes
The largest possible area where the air purifier remains effective.
In the battle of Maximum Coverage Area,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
2,191.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Coverage Area on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Minimum Coverage Area
What is the minimum coverage area?
387.5
sq ft
0Votes
1,500
sq ft
0Votes
The smallest area recommended for optimal operation.
In the battle of Minimum Coverage Area,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
lower
1,112.5 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Minimum Coverage Area on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Max Airflow
What is the maximum airflow rate?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
Who knows?
0Votes
Coway Airmega 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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Operating Temperature Range
What is the operating temperature range?
48
Blue Pure 311i+ Max
0Votes
-10-60°F
57
Coway Airmega 400
0Votes
14-104°F
The recommended ambient temperature range for operation.
In the battle of Operating Temperature Range,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
9 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Operating Temperature Range on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Operating Humidity Range
What is the operating humidity range?
18
Blue Pure 311i+ Max
0Votes
85% RH
32
Coway Airmega 400
0Votes
≤85% RH
Acceptable relative humidity range for operation.
In the battle of Operating Humidity Range,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
14 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Operating Humidity Range on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Both models have a filter replacement indicator, ensuring you know when it’s time to replace the filters, so you don’t have to guess when maintenance is due.
Alerts user when it’s time to replace filters.
In the battle of Filter Replacement Indicator,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Indicator on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max requires filter replacement every 9 months, while the Coway Airmega 400 offers a longer filter life of 12 months, reducing maintenance frequency.
Expected lifespan of the filter before replacement.
In the battle of Filter Life Duration,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
3.0 month
measurement.
Based on community votes for Filter Life Duration,
Blue Pure 311i+ Max ◉ earned
0 votes,
less than
Coway Airmega 400 ◉,
which got 1 votes.
The Blueair 311i+ Max uses a fabric pre-filter, whereas the Coway Airmega 400 uses a mesh pre-filter. Both aim to extend the lifespan of the main filter, but fabric is generally more durable.
The type of pre-filter that captures larger dust and hair.
In the battle of Pre Filter Type,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Pre Filter Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Both purifiers offer an impressive 99.97% filter efficiency, ensuring high-quality filtration for both small and large particles.
Percentage of particles the filter can capture.
In the battle of Filter Efficiency Percentage,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
, delivering
equal
99.97 %
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Efficiency Percentage on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max has a 12-month filter change frequency, whereas the Coway Airmega 400 requires changes every 12 months as well, offering similar maintenance intervals.
Recommended frequency for changing filters.
In the battle of Filter Change Frequency,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
, delivering
equal
12.00 month
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Change Frequency on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max uses fabric and carbon for its filters, while the Coway Airmega 400 employs fiberglass, plastic, and nylon, which may offer slightly different filtering capabilities.
Materials used in constructing the filter media.
In the battle of Filter Material Composition,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
17 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Material Composition on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Primary Filter Type
What is the primary filter type?
68
Blue Pure 311i+ Max
0Votes
HEPA
67
Coway Airmega 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.
The main type of filter used to trap fine particles.
In the battle of Primary Filter Type,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Primary Filter Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
HEPA Filter Grade
What is the HEPA filter grade?
78
Blue Pure 311i+ Max
0Votes
H13
67
Coway Airmega 400
0Votes
H13
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,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
HEPA Filter Grade on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Carbon Filter Type
What is the carbon filter type?
88
Blue Pure 311i+ Max
0Votes
Activated Carbon
77
Coway Airmega 400
0Votes
Activated Carbon
Coway Airmega 400
Activated Carbon filters are excellent for removing odors, such as smoke and pet smells.
Type of carbon material used for odor and gas removal.
In the battle of Carbon Filter Type,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Carbon Filter Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Filter Washable
Are the filters washable?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Coway Airmega 400
The pre-filter is washable, making maintenance easy. Washable filters increase longevity and performance.
Indicates whether filters can be washed and reused.
In the battle of Filter Washable,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Washable on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Number Of Filter Stages
How many filter stages are there?
60
Blue Pure 311i+ Max
0Votes
4
37
Coway Airmega 400
0Votes
3
Total number of filtration stages used in the air cleaning process.
In the battle of Number Of Filter Stages,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
23 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Number Of Filter Stages on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Activated Carbon Amount
How much activated carbon does it have?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
Who knows?
0Votes
Coway Airmega 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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Antibacterial Coating
Does it have antibacterial coating?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Indicates if the filter surface has antibacterial treatment.
In the battle of Antibacterial Coating,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Antibacterial Coating on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
UVC Light
Does it include UVC light?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Uses ultraviolet-C light to sterilize bacteria and viruses.
In the battle of UVC Light,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
UVC Light on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Ionizer Function
Does it have ionizer function?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Generates negative ions to capture fine airborne particles.
In the battle of Ionizer Function,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Ionizer Function on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
PlasmaWave Similar Tech
Does it include PlasmaWave or similar tech?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Indicates if PlasmaWave or equivalent ionization technology is used.
In the battle of PlasmaWave Similar Tech,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
PlasmaWave Similar Tech on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Filter Availability
Are replacement filters available?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Indicates if replacement filters are easy to find on the market.
In the battle of Filter Availability,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Availability on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Replacement Filter Model
What is the replacement filter model?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Both the Blueair 311i+ Max and Coway Airmega 400 are equipped with a dust sensor, allowing the units to detect and adjust their filtration based on the dust levels in the room.
Detects airborne dust particles to optimize performance.
In the battle of Dust Sensor,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Dust Sensor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Both units include an odor sensor, which helps to detect and remove odors in the air, providing cleaner and fresher environments in both homes and offices.
Detects unpleasant smells or chemical odors.
In the battle of Odor Sensor,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Odor Sensor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Both air purifiers adjust fan speed automatically based on air quality, ensuring optimal performance with minimal user input.
Automatically changes fan speed based on sensor data.
In the battle of Auto Fan Speed Adjustment,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Auto Fan Speed Adjustment on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Both the Blueair 311i+ Max and Coway Airmega 400 come with PM2.5 sensors, which are essential for detecting fine particles in the air, improving overall air quality.
Detects PM2.5 fine particles (2.5 microns and smaller).
In the battle of PM25 Sensor,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
PM25 Sensor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Coway Airmega 400 is equipped with a light sensor, adjusting the display brightness automatically, while the Blueair 311i+ Max lacks this feature, offering manual brightness adjustment instead.
Detects ambient light for automatic display dimming.
In the battle of Light Sensor,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Light Sensor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Air Quality Sensor
Does it have an air quality sensor?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Blue Pure 311i+ Max
The air quality sensor automatically detects the level of pollutants in the room and adjusts the fan speed accordingly. A great feature for maintaining optimal air quality without manual intervention.
Coway Airmega 400
Air Quality Sensor adjusts the fan speed based on the detected air quality, ensuring efficient operation.
Detects overall air quality and pollution level.
In the battle of Air Quality Sensor,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Air Quality Sensor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
VOC Sensor
Does it have a VOC sensor?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Coway Airmega 400
The VOC sensor removes volatile organic compounds (VOCs) found in cleaning supplies, paints, etc.
Detects volatile organic compounds and harmful gases.
In the battle of VOC Sensor,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
VOC Sensor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Auto Dimming Display
Does it have an auto dimming display?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Adjusts screen brightness automatically based on lighting.
In the battle of Auto Dimming Display,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Auto Dimming Display on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Automatic Mode
Does it have an automatic mode?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Adjusts purification level automatically based on air quality.
In the battle of Automatic Mode,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Automatic Mode on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
CO2 Sensor
Does it include a CO2 sensor?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Monitors carbon dioxide levels in the air.
In the battle of CO2 Sensor,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
CO2 Sensor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
PM10 Sensor
Does it have a PM10 sensor?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Detects coarse dust particles (10 microns and larger).
In the battle of PM10 Sensor,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
PM10 Sensor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Temperature Sensor
Does it have a temperature sensor?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Measures ambient temperature for comfort optimization.
In the battle of Temperature Sensor,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Temperature Sensor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Humidity Sensor
Does it include a humidity sensor?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Detects humidity level in the environment.
In the battle of Humidity Sensor,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Humidity Sensor on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Sensor Accuracy Rating
What is the sensor accuracy rating?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
Who knows?
0Votes
Coway Airmega 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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Real Time Air Quality Display
Does it show real-time air quality?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Displays air quality readings instantly on screen or app.
In the battle of Real Time Air Quality Display,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Real Time Air Quality Display on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Both units feature sleep mode to ensure ultra-quiet operation at night, but the Blueair 311i+ Max also offers a night mode, which is particularly good for reducing light pollution.
Operates quietly with dimmed display for sleeping.
In the battle of Sleep Mode,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sleep Mode on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max includes a child-lock feature for safety, whereas the Coway Airmega 400 lacks this feature, making the Blueair a better option for homes with children.
Prevents accidental operation by children.
In the battle of Child Lock,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Child Lock on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max supports mobile app control, making it more versatile for users who want remote management. The Coway Airmega 400 lacks app control.
Enables control via smartphone application.
In the battle of Mobile App Control,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Based on community votes for Mobile App Control,
Blue Pure 311i+ Max ◉ earned
1 votes,
more than
Coway Airmega 400 ◉,
which got 0 votes.
The Blueair 311i+ Max’s mobile app control is a game-changer! Being able to adjust settings from anywhere is a huge plus.
See more
Timer Function
Does it have a timer function?
No
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Coway Airmega 400
Set the purifier to run for 1, 4, or 8 hours, perfect for scheduled operation when you're away or sleeping.
Lets users set specific operating durations.
In the battle of Timer Function,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Timer Function on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Touch Controls
Does it have touch controls?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Allows operation via touch-sensitive interface.
In the battle of Touch Controls,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Touch Controls on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Touch Sensitivity Level
What is the touch sensitivity level?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
Who knows?
0Votes
Coway Airmega 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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Physical Buttons
Does it include physical buttons?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Provides tactile buttons for basic operation.
In the battle of Physical Buttons,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Physical Buttons on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Remote Control
Does it come with a remote control?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Allows operation from a distance using a remote device.
In the battle of Remote Control,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Remote Control on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Display Brightness Adjustment
Can the display brightness be adjusted?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Allows users to adjust the display brightness manually.
In the battle of Display Brightness Adjustment,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Display Brightness Adjustment on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Control Panel Location
Where is the control panel located?
38
Blue Pure 311i+ Max
0Votes
Top
87
Coway Airmega 400
0Votes
Top
Indicates where the main control panel is located.
In the battle of Control Panel Location,
Blue Pure 311i+ Max ◉ is
worse than
Coway Airmega 400 ◉
, delivering
lower
49 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Control Panel Location on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Filter Reset Button
Does it have a filter reset button?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Dedicated button to reset the filter indicator after replacement.
In the battle of Filter Reset Button,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Reset Button on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
WiFi Indicator Light
Does it have a WiFi indicator light?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Shows WiFi connectivity status visually.
In the battle of WiFi Indicator Light,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
WiFi Indicator Light on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Error Indicator Light
Does it include an error indicator light?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Displays warnings for operational issues or errors.
In the battle of Error Indicator Light,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Error Indicator Light on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Both the Blueair 311i+ Max and Coway Airmega 400 feature eco modes, allowing users to save energy while keeping the air clean, though the Blueair offers a quieter operation.
Energy-saving mode that reduces power usage.
In the battle of Eco Mode,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Eco Mode on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Fan Speed Levels
What fan speed levels are available?
59
Blue Pure 311i+ Max
0Votes
Low, Medium, High, Auto, Night
0
Coway Airmega 400
0Votes
Low, Medium, High
Coway Airmega 400
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,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
59 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Fan Speed Levels on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Maximum Fan Speed
What is the maximum fan speed?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
Who knows?
0Votes
Coway Airmega 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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Minimum Fan Speed
What is the minimum fan speed?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
Who knows?
0Votes
Coway Airmega 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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Turbo Mode
Does it include a turbo mode?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
High-power mode for rapid air purification.
In the battle of Turbo Mode,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Turbo Mode on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Sleep Quiet Mode
Does it feature a sleep or quiet mode?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Minimizes noise and display brightness for nighttime use.
In the battle of Sleep Quiet Mode,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sleep Quiet Mode on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Manual Mode
Does it include manual mode?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Allows manual fan speed and mode selection by the user.
In the battle of Manual Mode,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Manual Mode on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Custom Mode
Does it support a custom mode?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Lets users set personalized mode settings or schedules.
In the battle of Custom Mode,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Custom Mode on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Oscillation
Does it feature oscillation?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Rotates or swings to distribute air evenly across a room.
In the battle of Oscillation,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Oscillation on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Airflow Direction Control
Can you control the airflow direction?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Allows users to adjust the direction of purified airflow.
In the battle of Airflow Direction Control,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Airflow Direction Control on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max includes built-in power surge protection, offering an extra layer of safety, while the Coway Airmega 400 does not include this feature.
Protects internal components from voltage spikes.
In the battle of Power Surge Protection,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Surge Protection on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Safety Auto Shutoff
Does it feature safety auto shutoff?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Coway Airmega 400
No auto shutoff is specified, but the purifier automatically turns off when set on timer.
Automatically turns off under unsafe or fault conditions.
In the battle of Safety Auto Shutoff,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Safety Auto Shutoff on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Power Failure Memory
Does it have power failure memory?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 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,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Failure Memory on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Overheat Protection
Does it have overheat protection?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Prevents damage by automatically shutting down when overheating.
In the battle of Overheat Protection,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Overheat Protection on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Tipover Protection
Does it include tipover protection?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Shuts off the device automatically if it tips over.
In the battle of Tipover Protection,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Tipover Protection on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
UV Safety Shield
Does it include a UV safety shield?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Shields users from direct UV light exposure in UV-enabled models.
In the battle of UV Safety Shield,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
UV Safety Shield on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Ozone Emission Safe
Is it ozone emission safe?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Ensures ozone emissions remain within safe levels.
In the battle of Ozone Emission Safe,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Ozone Emission Safe on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Electrical Protection Rating
What is the electrical protection rating?
68
Blue Pure 311i+ Max
0Votes
IP50
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Fuse Type
What type of fuse does it use?
38
Blue Pure 311i+ Max
0Votes
Thermal Fuse
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Build & Materials
7
Body Material
What material is the purifier body made of?
68
Blue Pure 311i+ Max
0Votes
ABS Plastic
0
Coway Airmega 400
0Votes
ABS Plastic
Describes the main material used for the purifier body.
In the battle of Body Material,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
68 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Body Material on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Filter Frame Material
What is the filter frame material?
68
Blue Pure 311i+ Max
0Votes
Plastic
0
Coway Airmega 400
0Votes
Plastic
Indicates the material used for the filter housing or frame.
In the battle of Filter Frame Material,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
68 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Frame Material on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Build Type
What is the build type?
58
Blue Pure 311i+ Max
0Votes
Compact
0
Coway Airmega 400
0Votes
Fixed
Defines the overall design structure of the purifier.
In the battle of Build Type,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
58 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Build Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Finish Texture
What type of finish texture does it have?
38
Blue Pure 311i+ Max
0Votes
Matte
0
Coway Airmega 400
0Votes
Matte
Describes the surface finish of the air purifier.
In the battle of Finish Texture,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
38 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Finish Texture on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Build Quality Grade
What is the build quality grade?
58
Blue Pure 311i+ Max
0Votes
Standard
0
Coway Airmega 400
0Votes
Standard
Indicates the overall craftsmanship and material precision.
In the battle of Build Quality Grade,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
58 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Build Quality Grade on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Scratch Resistance
Is the purifier scratch resistant?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Indicates resistance of the body surface to scratches.
In the battle of Scratch Resistance,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Scratch Resistance on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Portability Handles Wheels
Does it have handles or wheels for portability?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Indicates presence of handles or wheels for easier movement.
In the battle of Portability Handles Wheels,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Portability Handles Wheels on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Maintenance & Usability
8
Filter Replacement Method
What is the filter replacement method?
48
Blue Pure 311i+ Max
0Votes
Pull Out
0
Coway Airmega 400
0Votes
Slide Out
Describes how the filter can be removed and replaced.
In the battle of Filter Replacement Method,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
48 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Method on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Ease Of Access
How is the ease of access for cleaning or filter changes?
88
Blue Pure 311i+ Max
0Votes
Front Access
0
Coway Airmega 400
0Votes
Front Access
Indicates how easily users can reach filters and components.
In the battle of Ease Of Access,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
88 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Ease Of Access on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Tool Free Maintenance
Is maintenance tool free?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Allows maintenance without using additional tools.
In the battle of Tool Free Maintenance,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Tool Free Maintenance on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Cleaning Frequency
How often should it be cleaned?
30
days
0Votes
30
days
0Votes
Recommended frequency of cleaning for optimal performance.
In the battle of Cleaning Frequency,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
, delivering
equal
30.00 days
measurement.
Don’t keep it to yourself — be the first to react and review the
Cleaning Frequency on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Cleaning Tools
Are cleaning tools included?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Specifies if cleaning accessories are provided with the unit.
In the battle of Cleaning Tools,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Cleaning Tools on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Maintenance Indicator
Does it have a maintenance indicator?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Alerts when maintenance or cleaning is needed.
In the battle of Maintenance Indicator,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Maintenance Indicator on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Maintenance Frequency Reminder
Does it include a maintenance frequency reminder?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Provides reminders for regular filter replacement or cleaning.
In the battle of Maintenance Frequency Reminder,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Maintenance Frequency Reminder on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Filter Replacement Cost Estimate
What is the estimated filter replacement cost?
61
Blue Pure 311i+ Max
0Votes
$45
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Approximate cost for standard replacement filters.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Cost Estimate on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Smart & Connectivity Features
12
WiFi Connectivity
Does it have WiFi connectivity?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Blue Pure 311i+ Max
WiFi connectivity allows you to control the air purifier remotely via a mobile app, giving you full control even when you're not at home.
Indicates if the air purifier can connect to WiFi for app or remote control.
In the battle of WiFi Connectivity,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
WiFi Connectivity on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Bluetooth Connectivity
Does it have Bluetooth connectivity?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Blue Pure 311i+ Max
Bluetooth connectivity makes it easy to pair with your mobile device for seamless control and monitoring.
Allows wireless connection via Bluetooth for setup or local control.
In the battle of Bluetooth Connectivity,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Bluetooth Connectivity on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Voice Assistant Compatibility
Which voice assistants is it compatible with?
76
Blue Pure 311i+ Max
0Votes
Alexa, Google Assistant
0
Coway Airmega 400
0Votes
None
Blue Pure 311i+ Max
Voice control allows you to adjust settings hands-free using Alexa or Google Assistant, ideal for smart home integration.
Specifies which voice assistants are supported.
In the battle of Voice Assistant Compatibility,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
76 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Voice Assistant Compatibility on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Cloud Connectivity
Does it support cloud connectivity?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Connects to cloud services for remote access and data sync.
In the battle of Cloud Connectivity,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cloud Connectivity on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Offline Mode
Does it have an offline mode?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Operates fully even without an internet connection.
In the battle of Offline Mode,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Offline Mode on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
App Integration
Does it integrate with mobile apps?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Integrates with manufacturer or third-party mobile applications.
In the battle of App Integration,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
App Integration on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
IFTTT Or Smart Home Integration
Does it support IFTTT or smart home integration?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Integrates with automation platforms like IFTTT or smart home hubs.
In the battle of IFTTT Or Smart Home Integration,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
IFTTT Or Smart Home Integration on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Firmware Update Capability
Can it update firmware automatically?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Allows over-the-air firmware updates for new features or bug fixes.
In the battle of Firmware Update Capability,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Firmware Update Capability on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Remote Start Stop
Can it be started or stopped remotely?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Enables turning the purifier on or off remotely via app or voice.
In the battle of Remote Start Stop,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Remote Start Stop on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Multi-Device Sync
Does it support multi-device sync?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Synchronizes multiple purifiers or devices under one control.
In the battle of Multi-Device Sync,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Multi-Device Sync on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Data Logging
Does it support data logging?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Logs air quality, usage, and performance data for analysis.
In the battle of Data Logging,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Data Logging on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Usage History
Does it keep usage history?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Records previous usage patterns and air quality stats.
In the battle of Usage History,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Usage History on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Environmental & Sustainability
7
Eco Friendly Materials
Are eco-friendly materials used?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Blue Pure 311i+ Max
Made with eco-friendly materials, this unit is designed with sustainability in mind, which is great for those looking to reduce their environmental impact.
Indicates whether the product uses eco-friendly materials.
In the battle of Eco Friendly Materials,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Eco Friendly Materials on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Recyclable Filters
Are the filters recyclable?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Blue Pure 311i+ Max
The filters are recyclable, helping to reduce waste and making it an environmentally conscious choice.
Indicates if filters are recyclable after use.
In the battle of Recyclable Filters,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Recyclable Filters on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Sustainable Packaging
Is the packaging sustainable?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Blue Pure 311i+ Max
Comes in sustainable packaging, further reducing the environmental footprint of the product.
Describes if the packaging uses recyclable or biodegradable materials.
In the battle of Sustainable Packaging,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sustainable Packaging on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Low Ozone Emission
Does it have low ozone emission?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Ensures minimal ozone emission during operation.
In the battle of Low Ozone Emission,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Low Ozone Emission on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Carbon Footprint Rating
What is its carbon footprint rating?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
Who knows?
0Votes
Coway Airmega 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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Standby Power Usage
How much power does it use on standby?
Who knows?
0Votes
Blue Pure 311i+ Max
(Help us out by suggesting one!)
Who knows?
0Votes
Coway Airmega 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 Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Noise Eco Mode
What is the noise level in eco mode?
23
dB
0Votes
Who knows?
0Votes
Coway Airmega 400
(Help us out by suggesting one!)
Noise level during eco or low power mode.
Don’t keep it to yourself — be the first to react and review the
Noise Eco Mode on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Accessories & Package Contents
8
Filters
Are filters included in the box?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Coway Airmega 400
Filters included: the purifier comes with pre-filters and a HEPA + Activated Carbon filter for comprehensive air purification.
Specifies if the product includes initial filters in the box.
In the battle of Filters,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filters on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Spare Filters
Are spare filters included?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Coway Airmega 400
Spare filters available for long-term use, available directly from Coway.
Indicates whether additional spare filters are provided.
In the battle of Spare Filters,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Spare Filters on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Power Cord
Is the power cord included?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 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,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Cord on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Power Adapter
Is a power adapter included?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Specifies if an external power adapter is provided.
In the battle of Power Adapter,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Adapter on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Filter Replacement Tool
Is a filter replacement tool included?
No
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Indicates whether a tool for filter replacement is provided.
In the battle of Filter Replacement Tool,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Tool on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Setup Guide
Is there a setup guide included?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Confirms if a setup or quick start guide is provided.
In the battle of Setup Guide,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Setup Guide on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
User Manual
Is a user manual included?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Confirms the presence of a printed or digital user manual.
In the battle of User Manual,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
User Manual on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Warranty Card
Is a warranty card included?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Indicates the inclusion of a warranty registration card.
In the battle of Warranty Card,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Warranty Card on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Certification & Standards
11
Energy Star Certified
Is it Energy Star certified?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Blue Pure 311i+ Max
The unit is Energy Star certified, meaning it meets strict energy efficiency guidelines and helps lower your utility bill.
Coway Airmega 400
Energy Star Certified: Efficient energy use, saving on electricity costs.
Indicates certification for energy-efficient performance.
In the battle of Energy Star Certified,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Energy Star Certified on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
EPA Certified
Is it EPA certified?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Coway Airmega 400
EPA Certified: Ensures the air purifier meets rigorous environmental standards.
Verifies compliance with U.S. Environmental Protection Agency standards.
In the battle of EPA Certified,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
EPA Certified on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
AHAM Verified
Is it AHAM verified?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Indicates if the air purifier is verified by the Association of Home Appliance Manufacturers.
In the battle of AHAM Verified,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
AHAM Verified on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
CARB Certified
Is it CARB certified?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Confirms compliance with California Air Resources Board standards for ozone emission safety.
In the battle of CARB Certified,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
CARB Certified on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
ETL Listed
Is it ETL listed?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Shows compliance with North American electrical safety standards.
In the battle of ETL Listed,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
ETL Listed on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
UL Listed
Is it UL listed?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Indicates UL certification for electrical and fire safety.
In the battle of UL Listed,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
UL Listed on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
CSA Certified
Is it CSA certified?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Certifies compliance with Canadian Standards Association safety requirements.
In the battle of CSA Certified,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
CSA Certified on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
RoHS Compliant
Is it RoHS compliant?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Ensures restriction of hazardous substances in components and materials.
In the battle of RoHS Compliant,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
RoHS Compliant on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
FCC Certified
Is it FCC certified?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
Indicates compliance with Federal Communications Commission standards for electronic emissions.
In the battle of FCC Certified,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
FCC Certified on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
CE Certified
Is it CE certified?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Confirms compliance with European safety, health, and environmental protection standards.
In the battle of CE Certified,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
CE Certified on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
ISO Certified
Is it ISO certified?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Indicates certification under ISO standards for quality or environmental management.
In the battle of ISO Certified,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
ISO Certified on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
The Blueair 311i+ Max offers a shorter 1-year warranty, whereas the Coway Airmega 400 provides a more robust 5-year warranty, giving consumers extra peace of mind for long-term use.
Specifies how long the product is covered under warranty.
In the battle of Warranty Duration,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
28 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Warranty Duration on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Warranty Service Type
What type of warranty service is included?
58
Blue Pure 311i+ Max
0Votes
Carry In
0
Coway Airmega 400
0Votes
On Site
Coway Airmega 400
On-site warranty ensures that repairs are carried out at your location if necessary.
Defines how warranty service is provided.
In the battle of Warranty Service Type,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
58 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Warranty Service Type on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Extended Warranty Availability
Is extended warranty available?
Yes
0Votes
Blue Pure 311i+ Max
No
0Votes
Coway Airmega 400
Indicates whether extended warranty options are offered.
In the battle of Extended Warranty Availability,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Extended Warranty Availability on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Service Center Availability
What is the service center coverage?
38
Blue Pure 311i+ Max
0Votes
Local
0
Coway Airmega 400
0Votes
Nationwide
Describes the scope of service center availability.
In the battle of Service Center Availability,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
38 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Service Center Availability on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Onsite Service Availability
Is onsite service available?
Yes
0Votes
Blue Pure 311i+ Max
Yes
0Votes
Coway Airmega 400
States whether technicians can provide onsite service or repair.
In the battle of Onsite Service Availability,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
89 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Onsite Service Availability on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Customer Support Channel
What are the customer support channels?
51
Blue Pure 311i+ Max
0Votes
Phone, Email, Live Chat
0
Coway Airmega 400
0Votes
Phone, Email, Live Chat, Website
Lists available communication channels for customer support.
In the battle of Customer Support Channel,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
51 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Customer Support Channel on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Online Support Platform
What online support platform is available?
78
Blue Pure 311i+ Max
0Votes
Website
0
Coway Airmega 400
0Votes
Website
Specifies the platform used for online support or warranty registration.
In the battle of Online Support Platform,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
78 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Online Support Platform on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Response Time
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,
Blue Pure 311i+ Max ◉ is
same as
Coway Airmega 400 ◉
, delivering
equal
24.00 hours
measurement.
Don’t keep it to yourself — be the first to react and review the
Response Time on Blue Pure 311i+ Max ◉
vs Coway Airmega 400 ◉ and help others decide!
Return Policy
What is the return policy duration?
58
Blue Pure 311i+ Max
0Votes
30 Days
0
Coway Airmega 400
0Votes
30 Days
Defines the allowable time period for product returns.
In the battle of Return Policy,
Blue Pure 311i+ Max ◉ is
better than
Coway Airmega 400 ◉
, delivering
higher
58 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Return Policy on Blue Pure 311i+ Max ◉
vs Coway Airmega 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?
Supermod
Moderator
Recaptor
0
Cartling
0
Cartling
15
