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121
Highlights
59
Differences
7
Reactions
0
Likes
Coway Airmega 350
vs
PuroAir 400 :
121 Highlights & 59 Differences —
So, Which Air Purifier Actually Works Better
Get ready for a deep dive into the Coway Airmega 350 and PuroAir 400. We break down performance, quietness, and how well they clean your air.
We put Coway Airmega 350 and PuroAir 400 head to head to see which air purifier wins. Compare their features, pros, and auto dimming display, fan speed levels, tipover protection & power failure memory in this deep dive.
Coway Airmega 350 vs PuroAir 400: Which Tower Air Purifier Is Right for You?
The Coway Airmega 350 and PuroAir 400 stand as two popular choices in the tower-style air purifier category, both designed to improve indoor air quality in versatile settings like bedrooms, living rooms, offices, nurseries, and kitchens. Each boasts a modern design and employs advanced filtration technology, blending True HEPA filters with activated carbon to battle airborne contaminants. Yet, beneath these similarities lie meaningful differences in coverage area, filter life, sensor capabilities, noise output, and certifications that make each model suitable for different priorities and environments.
The Coway Airmega 350 features a powerful 2640 sq ft coverage and utilizes a highly efficient H13 HEPA filter rated at 99.99% filtration efficiency combined with a substantial 8.8 g activated carbon layer to effectively capture smoke, dust, pollen, and odors. Meanwhile, the PuroAir 400 covers up to 2000 sq ft and ups the HEPA grade to H14 (99.9% efficiency) but with a much shorter filter lifespan of only 3 months. Both devices employ upward airflow and modern LED controls, though the Coway leans exclusively on touch controls and boasts a quieter minimum noise level (21.6 dB vs. 36 dB for PuroAir). Sensor suites vary significantly ; Coway offers extensive environmental monitoring including dust, temperature, humidity, PM10 sensors, and light sensors with auto-dimming displays, while PuroAir focuses on air quality and VOC sensing. Certification and warranty coverage also differentiate these purifiers, which we'll explore further in detail.
Superior Performance and Rich Features of the Coway Airmega 350
What truly distinguishes the Coway Airmega 350 is its robust clean air delivery rate (CADR) ratings ; explicit figures for smoke (352), pollen (450), and dust (376) highlight its capacity to efficiently cleanse large rooms. The unit's ability to maintain up to 2640 square feet makes it ideal for open-plan living areas or offices. The Coway also provides multi-mode operation ; including turbo, eco, sleep quiet, manual, and custom settings ; enabling tailored air cleaning strategies. It operates quietly even in eco mode (21.6 dB) and includes a comprehensive sensor suite with dust, PM10, temperature, humidity, and ambient light detection. This sensor richness supports an intelligent, automatic fan speed adjustment system and an auto-dimming LED display for ease of use.
Its HEPA filter life of 12 months significantly reduces replacement frequency compared to competitors, combined with an antibacterial coating and an ample activated carbon filter volume enhancing odor and VOC absorption. The front filter replacement with tool-free maintenance and included cleaning tools further simplifies upkeep. Additionally, the unit's safety features outperform many rivals, including tipover protection, overheat, and surge protection, plus a memory function that preserves settings after power loss.
Certifications are pivotal for peace of mind, and here the Coway shines with AHAM Verified status, EPA Certification, UL, ETL, CSA listings, and Energy Star rating ; all underscoring quality, safety, and energy efficiency. The three-year warranty with onsite service backed by nationwide support rounds out a premium ownership experience, ensuring responsive customer care and reliable investment protection.
Strengths and Potential of the PuroAir 400 Air Purifier
The PuroAir 400 appeals primarily to those prioritizing a compact form factor and portability. With its lightweight design and built-in handles with wheels, relocating the unit between rooms or floors is straightforward. Its minimalist modern black styling also fits well in sleek contemporary spaces.
While the PuroAir 400's coverage is more modest at 2000 sq ft, it benefits from a higher-grade H14 HEPA filter, widely recognized for medical-grade performance. However, this advantage comes with more frequent and costly filter changes, with an estimated replacement cost of $69 every three months. Its sensor package includes VOC detection and PM2.5 alongside PM10 and dust sensors, catering well to environments sensitive to chemical pollutants.
Control-wise, PuroAir offers a dual-touch and physical button interface, providing tactile feedback some users prefer over pure touchscreens. Sleep and timer modes enhance user customization, although the display lacks brightness adjustment and auto-dimming capabilities. Noise levels are higher at a minimum of 36 dB. Performance details such as CADR values are not specified, making it harder to quantify exact air cleaning efficacy.
Certifications for the PuroAir include CARB, ETL, UL, Energy Star, FCC, and ISO, but the absence of AHAM verification and EPA certification suggests a less rigorous vetting process. Also, it lacks tipover protection and power failure memory, reducing safety and convenience. Warranty covers two years with no onsite service, but nationwide support channels remain available. Maintenance requires rear filter access without included cleaning tools, potentially less user-friendly for some.
Quick Take
The Coway Airmega 350 dominates with its expansive coverage, detailed filtration data, long-lasting filters, quiet and flexible fan modes, and a rich sensor suite that delivers smart air quality management. Meanwhile, the PuroAir 400 impresses with portability, a higher HEPA grade filter, and VOC sensing that targets chemical pollutants efficiently; ideal for users sensitive to these contaminants and seeking mobility.
Closing Recommendation
For those in need of vigorous air purification over large spaces paired with extensive smart sensing and quiet operation, the $239 Coway Airmega 350 stands out as the superior choice. Its longer filter lifespan and broad certification portfolio offer better long-term value and reliability. On the other hand, the $299 PuroAir 400 fits smaller to medium rooms well and suits those needing VOC detection and portability but comes with higher running costs and fewer certifications.
Verdict
Winner: Coway Airmega 350 - Excellent overall performance, superior filter longevity, broad sensor array, quiet operation, and comprehensive certifications make it the top pick.
Runner-up: PuroAir 400 - Compact and portable with a higher-grade HEPA filter and VOC sensing but limited coverage, noisier operation, and more frequent filter replacements.
Side by side. The numbers. The features. No drama.
Trying to choose between Coway Airmega 350 and PuroAir 400 ? This versus breakdown covers everything — specs, pros and cons, pricing, what users like (and don’t), and which air purifier makes more sense for your needs and budget.
Coway Airmega 350 is part of the 'Airmega 300' series, while PuroAir 400 belongs to the 'Air Purifier' series, suggesting a broader categorization for PuroAir.
Indicates which product line or series the model belongs to.
In the battle of Product Series,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
12 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Product Series on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
31
PuroAir 400
0Votes
Bedroom, Living Room, Office, Nursery, Kitchen
vs
Intended Room Type
Both Coway Airmega 350 and PuroAir 400 are intended for multiple room types, including Bedroom, Living Room, Office, Nursery, and Kitchen, making them versatile for various environments.
Specifies what kind of room the air purifier is designed for.
In the battle of Intended Room Type,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Intended Room Type on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 has a recommended room size of 2640 sq ft, significantly larger than PuroAir 400's 2000 sq ft, making the Coway model better suited for larger spaces.
The ideal room area for optimal purification performance.
In the battle of Recommended Room Size,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
640.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Recommended Room Size on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
The Coway Airmega 350 features a Modern design style, whereas the PuroAir 400 offers both Modern and Minimalist styles, providing slightly more aesthetic variety.
The visual and structural style of the purifier’s exterior.
In the battle of Design Style,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
7 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Design Style on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
The Coway Airmega 350 has a depth of 12 inches, which is considerably deeper than the PuroAir 400's 8.1 inches, making the PuroAir potentially more space-efficient.
The front-to-back measurement of the purifier.
In the battle of Depth,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
3.9 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Depth on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
The minimum noise level for Coway Airmega 350 is 21.6 dB, which is much quieter than PuroAir 400's minimum of 36 dB, offering a significantly quieter operation on its lowest setting.
Minimum operating noise level at lowest fan speed.
In the battle of Noise Level Min,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
14.4 dB
measurement.
Based on community votes for Noise Level Min,
Coway Airmega 350 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
I really can't stand noisy appliances, so the Coway Airmega 350's minimum noise level is a big deal. 21.6 dB is way quieter than 36 dB. That's a huge difference for a bedroom.
The Coway Airmega 350 has a maximum noise level of 54.7 dB, slightly lower than PuroAir 400's maximum of 60 dB, suggesting the Coway operates a bit more quietly at its highest setting.
Maximum noise level at highest fan speed.
In the battle of Noise Level Max,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
5.3 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Max on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 consumes 62 Watts, which is less than PuroAir 400's 80 Watts, indicating the Coway is more energy-efficient in terms of power consumption.
Average electrical power used during operation.
In the battle of Power Consumption,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
18.0 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Consumption on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
For my larger living room, the Coway Airmega 350's coverage area is much better. 2640 sq ft is significantly more than 2000 sq ft. This makes the Coway a clear winner for bigger spaces.
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
vs
Clean Air Delivery Rate
Coway Airmega 350 has a Clean Air Delivery Rate of 240 cfm, whereas this information is not available for PuroAir 400, making it difficult to compare their general cleaning speed.
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
vs
CADR Smoke
Coway Airmega 350 boasts a CADR Smoke of 352 cfm, a key performance metric not specified for PuroAir 400, indicating the Coway provides more detailed performance data.
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 has an Energy Efficiency Rating of A, whereas PuroAir 400 boasts an A+ rating, suggesting the PuroAir is more energy-efficient overall.
Efficiency classification for energy consumption.
In the battle of Energy Efficiency Rating,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
18 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Energy Efficiency Rating on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 operates within 41-95°F, while PuroAir 400 has a wider range of 41-104°F, allowing PuroAir to handle slightly higher ambient temperatures.
The recommended ambient temperature range for operation.
In the battle of Operating Temperature Range,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
18 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Operating Temperature Range on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Airflow Direction Type
What is the airflow direction type?
40
Coway Airmega 350
0Votes
Upward
38
PuroAir 400
0Votes
Upward
Coway Airmega 350
The upward airflow ensures that clean air circulates evenly across the room, improving overall air quality.
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Airflow Direction Type on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Voltage
What is the voltage requirement?
120
Volt
0Votes
120
Volt
0Votes
Coway Airmega 350
It operates on 120 V, which is standard for most household outlets in the US.
PuroAir 400
Works with standard North American outlets (120 V, 60 Hz).
Electrical operating voltage required.
In the battle of Voltage,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
CADR Pollen
What is the CADR for pollen?
450
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Coway Airmega 350
The 763.4 m³/h CADR for pollen makes it highly effective for allergy sufferers by removing airborne allergens.
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
CADR Dust
What is the CADR for dust?
376
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Coway Airmega 350
The 638.2 m³/h CADR for dust ensures it removes dust particles quickly from the air.
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 350 ◉
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!)
Coway Airmega 350
At 2 air changes per hour (ACH), the Airmega 350 effectively cycles and purifies the air every 30 minutes, maintaining a healthy environment.
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Maximum Coverage Area
What is the maximum coverage area?
2,640
sq ft
0Votes
2,000
sq ft
0Votes
Coway Airmega 350
The Airmega 350 provides powerful coverage for up to 245 m², ensuring that large spaces are consistently clean.
The largest possible area where the air purifier remains effective.
In the battle of Maximum Coverage Area,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
640.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Coverage Area on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Minimum Coverage Area
What is the minimum coverage area?
1.32
sq ft
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Coway Airmega 350
The purifier can function in spaces as small as 0.12 m², ensuring that even the smallest areas benefit from improved air quality.
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Max Airflow
What is the maximum airflow rate?
376
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Coway Airmega 350
The 638.2 m³/h maximum airflow ensures efficient air movement, allowing for rapid purification of the room.
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Noise Level Average
What is the average noise level?
48
dB
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Coway Airmega 350
On average, the Airmega 350 operates at 48 dB, which is about the sound level of a quiet conversation.
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Frequency
What is the operating frequency?
60
Hz
0Votes
60
Hz
0Votes
Coway Airmega 350
The Airmega 350 operates at 60 Hz, matching the typical frequency of household electrical systems.
The electrical frequency of operation.
In the battle of Frequency,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Operating Humidity Range
What is the operating humidity range?
70
Coway Airmega 350
0Votes
10-85% RH
18
PuroAir 400
0Votes
85% RH
Coway Airmega 350
It works effectively in a wide range of humidity levels, from 10% to 85% RH, which is common in most household environments.
Acceptable relative humidity range for operation.
In the battle of Operating Humidity Range,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
52 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Operating Humidity Range on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 filters last for 12 months, significantly longer than PuroAir 400's 3-month filter life, meaning the Coway requires less frequent filter changes.
Expected lifespan of the filter before replacement.
In the battle of Filter Life Duration,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
9.0 month
measurement.
Based on community votes for Filter Life Duration,
Coway Airmega 350 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
The filter life on the Coway Airmega 350 is a huge advantage. 12 months vs 3 months means fewer replacements and less hassle. Definitely prefer the longer duration here.
Both Coway Airmega 350 and PuroAir 400 feature 3 filter stages, suggesting a similar multi-layer filtration approach for both.
Total number of filtration stages used in the air cleaning process.
In the battle of Number Of Filter Stages,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Number Of Filter Stages on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 uses an H13 HEPA filter grade, while PuroAir 400 uses an H14 grade, meaning the H14 grade in PuroAir 400 provides superior filtration efficiency.
Indicates HEPA filter class and particle capture efficiency.
In the battle of HEPA Filter Grade,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
18 score
measurement.
Based on community votes for HEPA Filter Grade,
Coway Airmega 350 ◉ earned
0 votes,
less than
PuroAir 400 ◉,
which got 1 votes.
The PuroAir 400 having an H14 HEPA filter grade is quite impressive. That's a medical-grade level of filtration. While both are good, the H14 grade offers a slight edge in purity.
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
vs
Activated Carbon Amount
Coway Airmega 350 includes 8.8 oz of Activated Carbon, a specific quantity for odor absorption, which is not specified for PuroAir 400.
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 achieves 99.99% filter efficiency, which is higher than PuroAir 400's 99.9%, indicating the Coway offers marginally better particulate removal.
Percentage of particles the filter can capture.
In the battle of Filter Efficiency Percentage,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Change Frequency
How often should filters be changed?
12
month
0Votes
3
month
0Votes
Coway Airmega 350
Filters need to be changed once every 12 months, simplifying maintenance for the user.
PuroAir 400
Matches the “every 3 months” recommendation on Amazon.
Recommended frequency for changing filters.
In the battle of Filter Change Frequency,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
9.0 month
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Change Frequency on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Pre Filter Type
What is the pre-filter type?
80
Coway Airmega 350
0Votes
Mesh
78
PuroAir 400
0Votes
Mesh
Coway Airmega 350
The mesh pre-filter captures large particles, helping extend the life of the main HEPA filter by preventing clogging.
The type of pre-filter that captures larger dust and hair.
In the battle of Pre Filter Type,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Pre Filter Type on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Carbon Filter Type
What is the carbon filter type?
90
Coway Airmega 350
0Votes
Activated Carbon
88
PuroAir 400
0Votes
Activated Carbon
Coway Airmega 350
The activated carbon filter removes odors, VOCs, and gases, ensuring a fresh and clean environment.
Type of carbon material used for odor and gas removal.
In the battle of Carbon Filter Type,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Carbon Filter Type on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
The filters are made from fiberglass and activated carbon, combining durability and high-efficiency performance.
Materials used in constructing the filter media.
In the battle of Filter Material Composition,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
9 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Material Composition on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Replacement Indicator
Does it have a filter replacement indicator?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Coway Airmega 350
The filter replacement indicator lets you know when it's time to change the filter, ensuring optimal performance.
Alerts user when it’s time to replace filters.
In the battle of Filter Replacement Indicator,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Indicator on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Availability
Are replacement filters available?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Coway Airmega 350
Replacement filters are available, ensuring that you can easily maintain the purifier.
Indicates if replacement filters are easy to find on the market.
In the battle of Filter Availability,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Availability on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
UVC Light
Does it include UVC light?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Uses ultraviolet-C light to sterilize bacteria and viruses.
In the battle of UVC Light,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
UVC Light on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Ionizer Function
Does it have ionizer function?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Generates negative ions to capture fine airborne particles.
In the battle of Ionizer Function,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Ionizer Function on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
PlasmaWave Similar Tech
Does it include PlasmaWave or similar tech?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Indicates if PlasmaWave or equivalent ionization technology is used.
In the battle of PlasmaWave Similar Tech,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Washable
Are the filters washable?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Indicates whether filters can be washed and reused.
In the battle of Filter Washable,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Washable on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Replacement Filter Model
What is the replacement filter model?
Who knows?
0Votes
Coway Airmega 350
(Help us out by suggesting one!)
73
PuroAir 400
0Votes
PuroAir 400 Filter
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 does not have a VOC Sensor, whereas PuroAir 400 includes one, allowing the PuroAir to detect volatile organic compounds for better air quality monitoring.
Detects volatile organic compounds and harmful gases.
In the battle of VOC Sensor,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
.
Based on community votes for VOC Sensor,
Coway Airmega 350 ◉ earned
0 votes,
less than
PuroAir 400 ◉,
which got 1 votes.
Having a VOC sensor is important for monitoring chemical pollutants in my home, so the PuroAir 400 wins here. It's a key feature that the Coway Airmega 350 is missing. This makes PuroAir better for certain environments.
Coway Airmega 350 features an Auto Dimming Display, which is not available on PuroAir 400, providing the Coway with the ability to adjust display brightness for user comfort.
Adjusts screen brightness automatically based on lighting.
In the battle of Auto Dimming Display,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Auto Dimming Display on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 includes a Temperature Sensor, a feature not available in PuroAir 400, offering more comprehensive environmental monitoring for the Coway.
Measures ambient temperature for comfort optimization.
In the battle of Temperature Sensor,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Temperature Sensor on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 has a Humidity Sensor, which is not present in PuroAir 400, making the Coway more capable of monitoring a broader range of indoor conditions.
Detects humidity level in the environment.
In the battle of Humidity Sensor,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Humidity Sensor on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 is equipped with a Light Sensor, a feature absent in PuroAir 400, allowing the Coway to adjust its operation based on ambient light levels.
Detects ambient light for automatic display dimming.
In the battle of Light Sensor,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Light Sensor on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Automatic Mode
Does it have an automatic mode?
Yes
0Votes
Coway Airmega 350
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Automatic Mode on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Air Quality Sensor
Does it have an air quality sensor?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
PuroAir 400
Detects particulates (PM1/PM2.5/PM10) and VOCs; drives Auto mode to ramp fan speed.
Detects overall air quality and pollution level.
In the battle of Air Quality Sensor,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Air Quality Sensor on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Dust Sensor
Does it include a dust sensor?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
PuroAir 400
PM sensor supports the AQI color ring (green/yellow/red) and Auto speed mapping.
Detects airborne dust particles to optimize performance.
In the battle of Dust Sensor,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Dust Sensor on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Odor Sensor
Does it have an odor sensor?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
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 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Odor Sensor on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Auto Fan Speed Adjustment
Does it support auto fan speed adjustment?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Automatically changes fan speed based on sensor data.
In the battle of Auto Fan Speed Adjustment,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Auto Fan Speed Adjustment on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
CO2 Sensor
Does it include a CO2 sensor?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Monitors carbon dioxide levels in the air.
In the battle of CO2 Sensor,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
CO2 Sensor on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
PM10 Sensor
Does it have a PM10 sensor?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Detects coarse dust particles (10 microns and larger).
In the battle of PM10 Sensor,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
PM10 Sensor on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Sensor Accuracy Rating
What is the sensor accuracy rating?
95
%
0Votes
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Real Time Air Quality Display
Does it show real-time air quality?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Displays air quality readings instantly on screen or app.
In the battle of Real Time Air Quality Display,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Real Time Air Quality Display on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 allows for Display Brightness Adjustment, a feature not present in PuroAir 400, offering more customization for viewing comfort with the Coway.
Allows users to adjust the display brightness manually.
In the battle of Display Brightness Adjustment,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Display Brightness Adjustment on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Timer Function
Does it have a timer function?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
PuroAir 400
2/4/6/8-hour options, useful for bedtime or leaving the house.
Lets users set specific operating durations.
In the battle of Timer Function,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Timer Function on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Sleep Mode
Does it feature a sleep mode?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sleep Mode on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Child Lock
Does it include a child lock?
Yes
0Votes
Coway Airmega 350
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Child Lock on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Error Indicator Light
Does it include an error indicator light?
Yes
0Votes
Coway Airmega 350
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Error Indicator Light on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Touch Controls
Does it have touch controls?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Allows operation via touch-sensitive interface.
In the battle of Touch Controls,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Touch Controls on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Touch Sensitivity Level
What is the touch sensitivity level?
5
0Votes
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Remote Control
Does it come with a remote control?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Allows operation from a distance using a remote device.
In the battle of Remote Control,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Remote Control on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Mobile App Control
Can it be controlled through a mobile app?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Enables control via smartphone application.
In the battle of Mobile App Control,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Control Panel Location
Where is the control panel located?
40
Coway Airmega 350
0Votes
Top
38
PuroAir 400
0Votes
Top
Indicates where the main control panel is located.
In the battle of Control Panel Location,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Control Panel Location on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Reset Button
Does it have a filter reset button?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Dedicated button to reset the filter indicator after replacement.
In the battle of Filter Reset Button,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Reset Button on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
WiFi Indicator Light
Does it have a WiFi indicator light?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Shows WiFi connectivity status visually.
In the battle of WiFi Indicator Light,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
WiFi Indicator Light on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 offers 'Low, Medium, High, Turbo' fan speed levels, while PuroAir 400 provides 'Low, Medium, High, Auto, Sleep' options, with PuroAir's levels being more geared towards automatic and quiet operation.
Lists the available fan speed levels or names.
In the battle of Fan Speed Levels,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Fan Speed Levels on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 offers a Custom Mode, which is not available on PuroAir 400, providing more flexibility for personalized settings with the Coway.
Lets users set personalized mode settings or schedules.
In the battle of Custom Mode,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Custom Mode on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Eco Mode
Does it have an eco mode?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
PuroAir 400
“Eco” isn’t named on PDP; energy saving is via Auto/Sleep. Clarify internally that no separate Eco preset exists.
Energy-saving mode that reduces power usage.
In the battle of Eco Mode,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Eco Mode on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Maximum Fan Speed
What is the maximum fan speed?
376
rpm
0Votes
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Minimum Fan Speed
What is the minimum fan speed?
100
rpm
0Votes
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Sleep Quiet Mode
Does it feature a sleep or quiet mode?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Minimizes noise and display brightness for nighttime use.
In the battle of Sleep Quiet Mode,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sleep Quiet Mode on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Manual Mode
Does it include manual mode?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Allows manual fan speed and mode selection by the user.
In the battle of Manual Mode,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Manual Mode on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Oscillation
Does it feature oscillation?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Rotates or swings to distribute air evenly across a room.
In the battle of Oscillation,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Oscillation on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Airflow Direction Control
Can you control the airflow direction?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Allows users to adjust the direction of purified airflow.
In the battle of Airflow Direction Control,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 features Tipover Protection, a safety measure not present in PuroAir 400, making the Coway potentially safer in homes with children or pets.
Shuts off the device automatically if it tips over.
In the battle of Tipover Protection,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Tipover Protection on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 has Power Failure Memory, allowing it to resume previous settings after a power outage, while PuroAir 400 does not, offering better convenience for the Coway.
Remembers last settings after a power outage.
In the battle of Power Failure Memory,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
51 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Failure Memory on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Overheat Protection
Does it have overheat protection?
Yes
0Votes
Coway Airmega 350
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Overheat Protection on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Power Surge Protection
Does it include power surge protection?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Surge Protection on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Safety Auto Shutoff
Does it feature safety auto shutoff?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Safety Auto Shutoff on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Electrical Protection Rating
What is the electrical protection rating?
30
Coway Airmega 350
0Votes
IP20
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.
In the battle of Electrical Protection Rating,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Electrical Protection Rating on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Fuse Type
What type of fuse does it use?
40
Coway Airmega 350
0Votes
Thermal Fuse
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.
In the battle of Fuse Type,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Fuse Type on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
UV Safety Shield
Does it include a UV safety shield?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Shields users from direct UV light exposure in UV-enabled models.
In the battle of UV Safety Shield,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Ozone Emission Safe
Is it ozone emission safe?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Ensures ozone emissions remain within safe levels.
In the battle of Ozone Emission Safe,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Ozone Emission Safe on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Build & Materials
7
Portability Handles Wheels
Does it have handles or wheels for portability?
No
0Votes
Coway Airmega 350
Yes
1Votes
PuroAir 400
vs
Portability Handles Wheels
Coway Airmega 350 does not feature Portability Handles or Wheels, unlike PuroAir 400, which includes them, making the PuroAir easier to move between rooms.
Indicates presence of handles or wheels for easier movement.
In the battle of Portability Handles Wheels,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
.
Based on community votes for Portability Handles Wheels,
Coway Airmega 350 ◉ earned
0 votes,
less than
PuroAir 400 ◉,
which got 1 votes.
I need to move my air purifier between rooms frequently, so the portability with handles and wheels on the PuroAir 400 is essential. The Coway Airmega 350 doesn't have this which is a drawback for me. This feature makes the PuroAir much more convenient.
See more
Body Material
What material is the purifier body made of?
70
Coway Airmega 350
0Votes
ABS Plastic
68
PuroAir 400
0Votes
ABS Plastic
PuroAir 400
ABS is lightweight and impact-resistant, common for small appliances.
Describes the main material used for the purifier body.
In the battle of Body Material,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Body Material on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Frame Material
What is the filter frame material?
70
Coway Airmega 350
0Votes
Plastic
68
PuroAir 400
0Votes
Plastic
Indicates the material used for the filter housing or frame.
In the battle of Filter Frame Material,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Frame Material on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Build Type
What is the build type?
40
Coway Airmega 350
0Votes
Fixed
58
PuroAir 400
0Votes
Compact
Defines the overall design structure of the purifier.
In the battle of Build Type,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
18 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Build Type on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Finish Texture
What type of finish texture does it have?
40
Coway Airmega 350
0Votes
Matte
38
PuroAir 400
0Votes
Matte
Describes the surface finish of the air purifier.
In the battle of Finish Texture,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Finish Texture on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Build Quality Grade
What is the build quality grade?
100
Coway Airmega 350
0Votes
Premium
98
PuroAir 400
0Votes
Premium
Indicates the overall craftsmanship and material precision.
In the battle of Build Quality Grade,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Build Quality Grade on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Scratch Resistance
Is the purifier scratch resistant?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Indicates resistance of the body surface to scratches.
In the battle of Scratch Resistance,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Scratch Resistance on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
How is the ease of access for cleaning or filter changes?
90
Coway Airmega 350
0Votes
Front Access
68
PuroAir 400
0Votes
Rear Access
vs
Ease Of Access
Coway Airmega 350 offers Front Access for maintenance, while PuroAir 400 provides Rear Access, with front access potentially being more convenient depending on placement.
Indicates how easily users can reach filters and components.
In the battle of Ease Of Access,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
22 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Ease Of Access on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350 has an estimated filter replacement cost of $40, while PuroAir 400's estimate is $69, indicating the Coway offers a more economical filter replacement.
Approximate cost for standard replacement filters.
In the battle of Filter Replacement Cost Estimate,
Coway Airmega 350 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
6 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Cost Estimate on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Cleaning Frequency
How often should it be cleaned?
30
days
0Votes
30
days
0Votes
PuroAir 400
Convert to routine guidance: “wipe exterior and vacuum intake every 2–4 weeks, depending on dust load.
Recommended frequency of cleaning for optimal performance.
In the battle of Cleaning Frequency,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
30.00 days
measurement.
Don’t keep it to yourself — be the first to react and review the
Cleaning Frequency on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Replacement Method
What is the filter replacement method?
60
Coway Airmega 350
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
12 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Method on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Tool Free Maintenance
Is maintenance tool free?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Allows maintenance without using additional tools.
In the battle of Tool Free Maintenance,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Tool Free Maintenance on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Maintenance Indicator
Does it have a maintenance indicator?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Alerts when maintenance or cleaning is needed.
In the battle of Maintenance Indicator,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Maintenance Indicator on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Maintenance Frequency Reminder
Does it include a maintenance frequency reminder?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Provides reminders for regular filter replacement or cleaning.
In the battle of Maintenance Frequency Reminder,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Maintenance Frequency Reminder on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Smart & Connectivity Features
12
WiFi Connectivity
Does it have WiFi connectivity?
No
0Votes
Coway Airmega 350
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 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
WiFi Connectivity on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Bluetooth Connectivity
Does it have Bluetooth connectivity?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Allows wireless connection via Bluetooth for setup or local control.
In the battle of Bluetooth Connectivity,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Bluetooth Connectivity on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Cloud Connectivity
Does it support cloud connectivity?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Connects to cloud services for remote access and data sync.
In the battle of Cloud Connectivity,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Cloud Connectivity on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Offline Mode
Does it have an offline mode?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Operates fully even without an internet connection.
In the battle of Offline Mode,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Offline Mode on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
App Integration
Does it integrate with mobile apps?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Integrates with manufacturer or third-party mobile applications.
In the battle of App Integration,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
App Integration on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Voice Assistant Compatibility
Which voice assistants is it compatible with?
0
Coway Airmega 350
0Votes
None
0
PuroAir 400
0Votes
None
Specifies which voice assistants are supported.
In the battle of Voice Assistant Compatibility,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
IFTTT Or Smart Home Integration
Does it support IFTTT or smart home integration?
No
0Votes
Coway Airmega 350
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 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Firmware Update Capability
Can it update firmware automatically?
No
0Votes
Coway Airmega 350
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 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Remote Start Stop
Can it be started or stopped remotely?
No
0Votes
Coway Airmega 350
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 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Multi-Device Sync
Does it support multi-device sync?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Synchronizes multiple purifiers or devices under one control.
In the battle of Multi-Device Sync,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Data Logging
Does it support data logging?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Logs air quality, usage, and performance data for analysis.
In the battle of Data Logging,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Data Logging on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Usage History
Does it keep usage history?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Records previous usage patterns and air quality stats.
In the battle of Usage History,
Coway Airmega 350 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Usage History on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
vs
Carbon Footprint Rating
Coway Airmega 350 has a Carbon Footprint Rating of 10.2 kgCO2e, while this information is unavailable for PuroAir 400, making it difficult to compare their environmental impact.
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Coway Airmega 350's Noise Eco Mode is 21.6 dB, significantly quieter than PuroAir 400's 36 dB, meaning the Coway offers a much more discreet operation in eco mode.
Noise level during eco or low power mode.
In the battle of Noise Eco Mode,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
14.4 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Eco Mode on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Eco Friendly Materials
Are eco-friendly materials used?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Indicates whether the product uses eco-friendly materials.
In the battle of Eco Friendly Materials,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Eco Friendly Materials on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Recyclable Filters
Are the filters recyclable?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Indicates if filters are recyclable after use.
In the battle of Recyclable Filters,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Recyclable Filters on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Sustainable Packaging
Is the packaging sustainable?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Describes if the packaging uses recyclable or biodegradable materials.
In the battle of Sustainable Packaging,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sustainable Packaging on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Low Ozone Emission
Does it have low ozone emission?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Ensures minimal ozone emission during operation.
In the battle of Low Ozone Emission,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Low Ozone Emission on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Standby Power Usage
How much power does it use on standby?
0.9
W
0Votes
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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Accessories & Package Contents
8
Filters
Are filters included in the box?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Specifies if the product includes initial filters in the box.
In the battle of Filters,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filters on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Spare Filters
Are spare filters included?
Yes
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Indicates whether additional spare filters are provided.
In the battle of Spare Filters,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Spare Filters on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Power Cord
Is the power cord included?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
States whether a power cord is included in the box.
In the battle of Power Cord,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Cord on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Power Adapter
Is a power adapter included?
Yes
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Specifies if an external power adapter is provided.
In the battle of Power Adapter,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Adapter on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Replacement Tool
Is a filter replacement tool included?
No
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Indicates whether a tool for filter replacement is provided.
In the battle of Filter Replacement Tool,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Setup Guide
Is there a setup guide included?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Confirms if a setup or quick start guide is provided.
In the battle of Setup Guide,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Setup Guide on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
User Manual
Is a user manual included?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Confirms the presence of a printed or digital user manual.
In the battle of User Manual,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
User Manual on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Warranty Card
Is a warranty card included?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Indicates the inclusion of a warranty registration card.
In the battle of Warranty Card,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Warranty Card on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Certification & Standards
11
CARB Certified
Is it CARB certified?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
PuroAir 400
Safe ozone emissions for sale in California; aligns with “ozone-free” operation.
Confirms compliance with California Air Resources Board standards for ozone emission safety.
In the battle of CARB Certified,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
CARB Certified on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
ETL Listed
Is it ETL listed?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
PuroAir 400
Indicates compliance with North American electrical safety standards.
Shows compliance with North American electrical safety standards.
In the battle of ETL Listed,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
ETL Listed on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
UL Listed
Is it UL listed?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
PuroAir 400
Sometimes listed alongside ETL on retailer copy; either mark confirms safety testing.
Indicates UL certification for electrical and fire safety.
In the battle of UL Listed,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
UL Listed on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Energy Star Certified
Is it Energy Star certified?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
PuroAir 400
The ENERGY STAR badge appears on retailer listings; it is a good indicator of lower standby/overall power.
Indicates certification for energy-efficient performance.
In the battle of Energy Star Certified,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Energy Star Certified on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
ISO Certified
Is it ISO certified?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
PuroAir 400
Clarify that the testing lab is ISO 17025–accredited; it’s not a product certification. Consider rewording in UI.
Indicates certification under ISO standards for quality or environmental management.
In the battle of ISO Certified,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
ISO Certified on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
AHAM Verified
Is it AHAM verified?
Yes
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
vs
AHAM Verified
Coway Airmega 350 is AHAM Verified, providing assurance of its performance claims, whereas PuroAir 400 is not.
Indicates if the air purifier is verified by the Association of Home Appliance Manufacturers.
In the battle of AHAM Verified,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
AHAM Verified on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
CSA Certified
Is it CSA certified?
Yes
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Certifies compliance with Canadian Standards Association safety requirements.
In the battle of CSA Certified,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
CSA Certified on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
EPA Certified
Is it EPA certified?
Yes
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Verifies compliance with U.S. Environmental Protection Agency standards.
In the battle of EPA Certified,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
EPA Certified on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
RoHS Compliant
Is it RoHS compliant?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Ensures restriction of hazardous substances in components and materials.
In the battle of RoHS Compliant,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
RoHS Compliant on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
FCC Certified
Is it FCC certified?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Indicates compliance with Federal Communications Commission standards for electronic emissions.
In the battle of FCC Certified,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
FCC Certified on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
CE Certified
Is it CE certified?
Yes
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
Confirms compliance with European safety, health, and environmental protection standards.
In the battle of CE Certified,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
CE Certified on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Warranty & Support
9
Warranty Duration
What is the warranty duration?
60
Coway Airmega 350
1Votes
3 years
48
PuroAir 400
0Votes
2 years
vs
Warranty Duration
Coway Airmega 350 comes with a 3-year warranty, which is longer than PuroAir 400's 2-year warranty, offering extended peace of mind for the Coway.
Specifies how long the product is covered under warranty.
In the battle of Warranty Duration,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
12 score
measurement.
Based on community votes for Warranty Duration,
Coway Airmega 350 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
A longer warranty gives me more peace of mind, so the Coway Airmega 350's 3-year warranty is definitely better. An extra year of coverage is always a plus. It shows confidence in their product.
See more
Warranty Service Type
What type of warranty service is included?
70
Coway Airmega 350
0Votes
Replacement
68
PuroAir 400
0Votes
Replacement
Defines how warranty service is provided.
In the battle of Warranty Service Type,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Warranty Service Type on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Extended Warranty Availability
Is extended warranty available?
Yes
0Votes
Coway Airmega 350
Yes
0Votes
PuroAir 400
Indicates whether extended warranty options are offered.
In the battle of Extended Warranty Availability,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Extended Warranty Availability on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Service Center Availability
What is the service center coverage?
100
Coway Airmega 350
0Votes
Nationwide
98
PuroAir 400
0Votes
Nationwide
Describes the scope of service center availability.
In the battle of Service Center Availability,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Service Center Availability on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Onsite Service Availability
Is onsite service available?
Yes
0Votes
Coway Airmega 350
No
0Votes
PuroAir 400
States whether technicians can provide onsite service or repair.
In the battle of Onsite Service Availability,
Coway Airmega 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Onsite Service Availability on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Customer Support Channel
What are the customer support channels?
55
Coway Airmega 350
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
17 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Customer Support Channel on Coway Airmega 350 ◉
vs PuroAir 400 ◉ and help others decide!
Online Support Platform
What online support platform is available?
80
Coway Airmega 350
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Online Support Platform on Coway Airmega 350 ◉
vs PuroAir 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,
Coway Airmega 350 ◉ 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 350 ◉
vs PuroAir 400 ◉ and help others decide!
Return Policy
What is the return policy duration?
60
Coway Airmega 350
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 350 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Return Policy on Coway Airmega 350 ◉
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?
Supermod
Moderator
Recaptor
0
Cartling
15
20
15
15
