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64
Highlights
38
Differences
7
Reactions
0
Likes
PuroAir 240
vs
PuroAir 400 :
64 Highlights & 38 Differences —
So, Which Air Purifier Actually Works Better
The PuroAir 240 offers great value for smaller spaces, but the PuroAir 400 delivers more power for larger rooms, see which one’s the best deal for you.
What sets PuroAir 240 and PuroAir 400 apart? We looked at their automatic mode, auto fan speed adjustment, tipover protection & power surge protection and key differences in this complete air purifiers face-off.
PuroAir 240 vs PuroAir 400: Which Air Purifier is Right for You?
When it comes to purifying the air in your home, both the PuroAir 240 and PuroAir 400 offer excellent filtration with HEPA and activated carbon. While these two models share key technologies, they differ in coverage area, design, noise levels, and power consumption. The PuroAir 240 excels in smaller spaces, whereas the PuroAir 400 is better suited for larger rooms. Let's dive into each model's features to help you make the right choice for your home.
Why the PuroAir 240 is Perfect for Smaller Spaces
The PuroAir 240 is ideal for smaller rooms, with a recommended coverage area of up to 1000 sq ft, making it great for bedrooms, offices, and nurseries. This compact air purifier packs a punch with a 3-stage filtration system that includes both HEPA and activated carbon filters. These filters work together to capture common allergens such as dust, pollen, and pet dander, making the PuroAir 240 an effective option for allergy sufferers.
One of the biggest advantages of the PuroAir 240 is its quiet operation, with a noise level as low as 22 dB and a maximum of 48 dB. This makes it an excellent choice for a bedroom or office, where peace and quiet are crucial. Additionally, the PuroAir 240 is energy-efficient, using just 45 watts of power, which helps keep your electricity bills low. For more details, you can view the price of the PuroAir 240, starting at $159 at PuroAir.com.
Why the PuroAir 400 is Better for Larger Spaces
On the other hand, the PuroAir 400 is designed to handle larger spaces, with a recommended coverage area of up to 2000 sq ft. This makes it a great option for larger living rooms, open-concept spaces, or bigger offices. Like the PuroAir 240, it features a 3-stage filtration system, but the larger capacity makes it more powerful and efficient in bigger spaces. It also includes premium features like portability handles and a scratch-resistant body for added durability.
However, the PuroAir 400 has some trade-offs. Its noise level is higher, with a maximum of 60 dB, which could be disruptive in quieter spaces. Additionally, it consumes 80 watts of power, which is higher than the PuroAir 240. If you're looking for a larger capacity purifier for bigger rooms and don't mind the increased power consumption and noise, the PuroAir 400 is an excellent choice. You can purchase the PuroAir 400 for $299 at PuroAir.com.
Quick Take
If you're looking for an air purifier that can handle smaller rooms with minimal noise and low energy usage, the PuroAir 240 is the perfect fit. It's a quiet, energy-efficient choice for those who value peace and quiet. On the other hand, if you're looking to purify larger areas and are okay with a bit more noise and power consumption, the PuroAir 400 offers better coverage and more powerful features for larger spaces.
Closing Recommendation
The PuroAir 240 is ideal for small to medium-sized rooms, offering quieter operation and better energy efficiency. It’s a great choice for those who want a purifier that blends seamlessly into their space. For larger areas, the PuroAir 400 is the better choice, offering more power and capacity, but it comes with the trade-off of being louder and consuming more energy.
Verdict
Winner → PuroAir 240: Best for smaller rooms, quieter operation, and lower energy consumption.
Runner-up → PuroAir 400: Excellent for larger rooms, but has higher noise and power consumption.
Side by side. The numbers. The features. No drama.
Is PuroAir 240 better than PuroAir 400 ? It depends on what you need. Our full air purifiers comparison looks at everything from specs and value to user experience — so you can make the smarter pick between these two air purifiers.
The PuroAir 240 is designed for smaller spaces with a recommended coverage area of 1000 sq ft, ideal for bedrooms and offices. In contrast, the PuroAir 400 covers up to 2000 sq ft, making it better suited for larger living areas or open-concept spaces. Larger rooms need the PuroAir 400 for effective coverage.
The ideal room area for optimal purification performance.
In the battle of Recommended Room Size,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
1,000.0 sq ft
measurement.
Based on community votes for Recommended Room Size,
PuroAir 240 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
The PuroAir 240 features a modern design, making it a great fit for contemporary spaces and minimalistic setups. In comparison, the PuroAir 400 has both a modern and minimalist design, offering a more versatile style that can blend into various room aesthetics, including more open, airy spaces.
The visual and structural style of the purifier’s exterior.
In the battle of Design Style,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
6 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Design Style on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both the PuroAir 240 and PuroAir 400 feature touch and button control types, providing users with a straightforward, user-friendly interface to adjust settings. While both are easy to operate, the PuroAir 400's larger design may offer slightly more room for intuitive button placement and better tactile feedback.
The methods available to operate the device.
In the battle of Control Type,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
14 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Control Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Model Name
What is the model name?
69
PuroAir 240
0Votes
PuroAir 240
70
PuroAir 400
0Votes
PuroAir 400
The official name or model identifier of the air purifier.
In the battle of Model Name,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Model Name on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Model Type
What type of model is this?
59
PuroAir 240
0Votes
Tower
88
PuroAir 400
0Votes
Tower
The structural style or type of the air purifier.
In the battle of Model Type,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
29 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Model Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Product Series
What is the product series?
14
PuroAir 240
0Votes
Air Purifier
76
PuroAir 400
0Votes
Air Purifier
Indicates which product line or series the model belongs to.
In the battle of Product Series,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
62 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Product Series on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Release Year
What year was it released?
99
PuroAir 240
0Votes
2024
91
PuroAir 400
0Votes
2023
The year the model was first released to market.
In the battle of Release Year,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
8 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Release Year on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Intended Room Type
What room type is it intended for?
68
PuroAir 240
0Votes
Bedroom, Living Room, Office, Nursery, Kitchen
31
PuroAir 400
0Votes
Bedroom, Living Room, Office, Nursery, Kitchen
Specifies what kind of room the air purifier is designed for.
In the battle of Intended Room Type,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
37 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Intended Room Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Technology Type
What technology does it use?
39
PuroAir 240
0Votes
HEPA, Activated Carbon
51
PuroAir 400
0Votes
HEPA, Activated Carbon
The primary purification technologies used by the unit.
In the battle of Technology Type,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
12 score
measurement.
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Technology Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Color Options
What color options are offered?
49
PuroAir 240
0Votes
Black
75
PuroAir 400
0Votes
Black
Available color variations for this model.
In the battle of Color Options,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
26 score
measurement.
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Color Options on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Form Factor
What is the form factor?
39
PuroAir 240
0Votes
Tower
48
PuroAir 400
0Votes
Tower
The overall shape and layout of the device.
In the battle of Form Factor,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
9 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Form Factor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Display Type
What is the display type?
49
PuroAir 240
0Votes
LED
68
PuroAir 400
0Votes
LED
The kind of display interface provided.
In the battle of Display Type,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
19 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Display Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Country Of Origin
What is the country of origin?
59
PuroAir 240
0Votes
CN
58
PuroAir 400
0Votes
CN
The country where the product was manufactured.
In the battle of Country Of Origin,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Country Of Origin on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Weighing in at 7.3 lbs, the PuroAir 240 is light and easy to move around, ideal for smaller spaces where portability matters. The PuroAir 400, however, is nearly double the weight at 14.7 lbs, which may make it more challenging to move but adds to its more robust build and higher coverage capacity.
The total weight of the air purifier unit.
In the battle of Weight,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
7.4 lbs
measurement.
Based on community votes for Weight,
PuroAir 240 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
The PuroAir 240 stands at 14.2 inches tall, which allows it to fit into tight corners while still providing effective air purification. The PuroAir 400 is significantly taller at 21.5 inches, giving it a larger presence and more coverage but potentially taking up more vertical space in a room.
The total vertical measurement from base to top.
In the battle of Height,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
7.3 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Height on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Width
What is the width?
8.7
inch
0Votes
14.4
inch
0Votes
PuroAir 240
≈ 22.1 cm wide; about the width of a hardcover novel, so it fits on most side tables.
PuroAir 400
≈36.6 cm, roughly the width of a 15-inch laptop.
The horizontal measurement of the air purifier.
In the battle of Width,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
5.7 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Width on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Depth
What is the depth?
8.7
inch
0Votes
8.1
inch
0Votes
PuroAir 240
≈ 22.1 cm deep; its square footprint (8.7″×8.7″) makes placement easy against a wall with the required clearance.
PuroAir 400
≈20.6 cm, slim enough for end tables or against a wall.
The front-to-back measurement of the purifier.
In the battle of Depth,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
0.6 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Depth on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Package Width
What is the package width?
10
inch
0Votes
15
inch
0Votes
The width of the product packaging.
In the battle of Package Width,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
5.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Width on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Package Depth
What is the package depth?
10
inch
0Votes
0
inch
0Votes
The depth of the product packaging.
In the battle of Package Depth,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
10.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Depth on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Package Height
What is the package height?
17
inch
0Votes
22
inch
0Votes
The height of the product packaging.
In the battle of Package Height,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
5.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Height on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Package Weight
What is the package weight?
9
lbs
0Votes
15
lbs
0Votes
The total shipping weight including packaging.
In the battle of Package Weight,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
6.0 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Weight on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Cord Length
What is the cord length?
6
ft
0Votes
6
ft
0Votes
The length of the power cord attached to the purifier.
In the battle of Cord Length,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
6.00 ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Cord Length on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Base Diameter
What is the base diameter?
Who knows?
0Votes
PuroAir 240
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
The circular base width for tower-style purifiers.
Don’t keep it to yourself — be the first to react and review the
Base Diameter on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
The PuroAir 240 is highly energy-efficient, consuming only 45 watts, making it a great choice for long-term use with minimal impact on electricity bills. The PuroAir 400, with 80 watts of power consumption, is more demanding on energy, which may result in slightly higher costs over time.
Average electrical power used during operation.
In the battle of Power Consumption,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
35.0 Watt
measurement.
Based on community votes for Power Consumption,
PuroAir 240 ◉ earned
0 votes,
less than
PuroAir 400 ◉,
which got 1 votes.
The PuroAir 240 operates at a very low noise level, starting at just 22 dB, making it an excellent choice for quiet spaces like bedrooms. The PuroAir 400 starts at 36 dB, which is still relatively quiet but more noticeable in sound-sensitive environments. Ideal for peaceful rooms, the PuroAir 240 wins here.
Minimum operating noise level at lowest fan speed.
In the battle of Noise Level Min,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
14.0 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Min on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
While the PuroAir 240’s maximum noise level peaks at 48 dB, making it quiet for everyday use, the PuroAir 400 reaches 60 dB, which may be more disruptive, especially in quiet rooms. If noise is a concern, the PuroAir 240’s lower noise level makes it the better option.
Maximum noise level at highest fan speed.
In the battle of Noise Level Max,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
12.0 dB
measurement.
Based on community votes for Noise Level Max,
PuroAir 240 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
The PuroAir 240 is optimal for smaller rooms, offering 1000 sq ft of coverage, making it perfect for spaces like bedrooms or offices. On the other hand, the PuroAir 400 provides double the coverage at 2000 sq ft, making it a better fit for larger rooms and open-plan areas that need more extensive purification.
The total maximum area the purifier can effectively clean.
In the battle of Coverage Area,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
1,000.0 sq ft
measurement.
Based on community votes for Coverage Area,
PuroAir 240 ◉ earned
0 votes,
less than
PuroAir 400 ◉,
which got 1 votes.
Who knows?
0Votes
PuroAir 240
(Help us out by suggesting one!)
68
PuroAir 400
0Votes
A+
vs
Energy Efficiency Rating
The PuroAir 400 stands out with an energy efficiency rating of A+, which may help reduce electricity costs compared to other purifiers. The PuroAir 240 doesn’t have an official energy efficiency rating listed but is generally known for its low power consumption.
Efficiency classification for energy consumption.
Don’t keep it to yourself — be the first to react and review the
Energy Efficiency Rating on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Airflow Direction Type
What is the airflow direction type?
29
PuroAir 240
0Votes
Upward
38
PuroAir 400
0Votes
Upward
PuroAir 240
Top exhaust pushes clean air upward; keep 8″ (20 cm) clearance around sides for best circulation (per PDP guidance).
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,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
9 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Airflow Direction Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Voltage
What is the voltage requirement?
120
Volt
0Votes
120
Volt
0Votes
PuroAir 240
Works with standard North American wall outlets (120 V, 60 Hz).
PuroAir 400
Works with standard North American outlets (120 V, 60 Hz).
Electrical operating voltage required.
In the battle of Voltage,
PuroAir 240 ◉ 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 PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Clean Air Delivery Rate
What is the overall CADR?
183
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
PuroAir 240
Combined “CADR” typically refers to Smoke; 183 cfm ≈ 311 m³/h (multiply cfm by 1.699).
Measures the total air cleaning rate in cubic feet per minute.
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Clean Air Delivery Rate on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
CADR Smoke
What is the CADR for smoke?
183
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
PuroAir 240
≈ 311 m³/h; the industry-standard reference for sizing rooms.
Smoke-specific clean air delivery rate.
Don’t keep it to yourself — be the first to react and review the
CADR Smoke on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
CADR Pollen
What is the CADR for pollen?
204
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Pollen-specific clean air delivery rate.
Don’t keep it to yourself — be the first to react and review the
CADR Pollen on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
CADR Dust
What is the CADR for dust?
181
cfm
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Dust-specific clean air delivery rate.
Don’t keep it to yourself — be the first to react and review the
CADR Dust on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Air Changes Per Hour
How many air changes per hour?
Who knows?
0Votes
PuroAir 240
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Number of complete air changes per hour.
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Air Changes Per Hour on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Maximum Coverage Area
What is the maximum coverage area?
1,000
sq ft
0Votes
2,000
sq ft
0Votes
The largest possible area where the air purifier remains effective.
In the battle of Maximum Coverage Area,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
1,000.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Coverage Area on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Minimum Coverage Area
What is the minimum coverage area?
284
sq ft
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
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 PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Max Airflow
What is the maximum airflow rate?
Who knows?
0Votes
PuroAir 240
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Maximum airflow capacity of the unit.
Don’t keep it to yourself — be the first to react and review the
Max Airflow on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Noise Level Average
What is the average noise level?
30
dB
0Votes
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Typical average noise during standard operation.
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Noise Level Average on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Frequency
What is the operating frequency?
60
Hz
0Votes
60
Hz
0Votes
The electrical frequency of operation.
In the battle of Frequency,
PuroAir 240 ◉ 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 PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Operating Temperature Range
What is the operating temperature range?
64
PuroAir 240
0Votes
32-104°F
78
PuroAir 400
0Votes
41-104°F
The recommended ambient temperature range for operation.
In the battle of Operating Temperature Range,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
14 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Operating Temperature Range on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Operating Humidity Range
What is the operating humidity range?
29
PuroAir 240
0Votes
85% RH
18
PuroAir 400
0Votes
85% RH
Acceptable relative humidity range for operation.
In the battle of Operating Humidity Range,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Operating Humidity Range on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both the PuroAir 240 and PuroAir 400 require filter replacements every 3 months, ensuring similar maintenance schedules. This ensures consistent performance for both models. No significant difference here; both need regular upkeep for optimal performance.
Expected lifespan of the filter before replacement.
In the battle of Filter Life Duration,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
3.00 month
measurement.
Based on community votes for Filter Life Duration,
PuroAir 240 ◉ earned
1 votes,
more than
PuroAir 400 ◉,
which got 0 votes.
Both models require filter changes every 3 months, ensuring they maintain their air purification performance. This identical filter change frequency allows users of either model to plan regular maintenance without worrying about drastic differences in upkeep.
Recommended frequency for changing filters.
In the battle of Filter Change Frequency,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
3.00 month
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Change Frequency on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both models come with a filter replacement indicator, making it easy for users to know when it's time for a new filter. This feature ensures that the purifier continues to operate efficiently without any guesswork on maintenance.
Alerts user when it’s time to replace filters.
In the battle of Filter Replacement Indicator,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Indicator on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Neither the PuroAir 240 nor the PuroAir 400 features washable filters. This means that while you can expect high performance from both models, regular replacement is necessary to maintain filtration efficiency.
Indicates whether filters can be washed and reused.
In the battle of Filter Washable,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Washable on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both the PuroAir 240 and PuroAir 400 use filters made of fiberglass and carbon fiber. This combination ensures efficient air filtration, trapping dust, allergens, and odors effectively. The use of these materials in both models ensures similar performance in terms of air purity and allergen removal.
Materials used in constructing the filter media.
In the battle of Filter Material Composition,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
8 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Material Composition on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Number Of Filter Stages
How many filter stages are there?
39
PuroAir 240
0Votes
3
51
PuroAir 400
0Votes
3
PuroAir 240
Pre-screen → HEPA → Activated Carbon (captures coarse debris, fine particles, then odors/VOCs).
PuroAir 400
Pre-filter (large dust/hair), HEPA (fine particles), and activated carbon (odors/VOCs).
Total number of filtration stages used in the air cleaning process.
In the battle of Number Of Filter Stages,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
12 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Number Of Filter Stages on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Primary Filter Type
What is the primary filter type?
69
PuroAir 240
0Votes
HEPA
68
PuroAir 400
0Votes
HEPA
PuroAir 240
Captures fine particulate down to the HEPA media’s rated efficiency; grade not disclosed by manufacturer on PDP/manual.
PuroAir 400
PDP/retailers state “HEPA”; no official grade is declared there. If you must record a grade, confirm from packaging.
The main type of filter used to trap fine particles.
In the battle of Primary Filter Type,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Primary Filter Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Pre Filter Type
What is the pre-filter type?
59
PuroAir 240
0Votes
Mesh
78
PuroAir 400
0Votes
Mesh
PuroAir 240
Described as a pre-screen filter in manual; functions like a mesh to catch hair/dust and extend HEPA life.
The type of pre-filter that captures larger dust and hair.
In the battle of Pre Filter Type,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
19 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Pre Filter Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Carbon Filter Type
What is the carbon filter type?
89
PuroAir 240
0Votes
Activated Carbon
88
PuroAir 400
0Votes
Activated Carbon
PuroAir 240
Targets odors and certain VOCs (e.g., cooking smells, smoke).
Type of carbon material used for odor and gas removal.
In the battle of Carbon Filter Type,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Carbon Filter Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Also called “240 HEPA & Activated Carbon Filter” on the store; subscriptions available for auto-ship.
The model number or code for compatible replacement filters.
In the battle of Replacement Filter Model,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
14 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Replacement Filter Model on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
HEPA Filter Grade
What is the HEPA filter grade?
99
PuroAir 240
0Votes
H14
98
PuroAir 400
0Votes
H14
Indicates HEPA filter class and particle capture efficiency.
In the battle of HEPA Filter Grade,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
HEPA Filter Grade on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Activated Carbon Amount
How much activated carbon does it have?
Who knows?
0Votes
PuroAir 240
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Total amount of activated carbon used in the filter.
Don’t keep it to yourself — be the first to react and review the
Activated Carbon Amount on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Efficiency Percentage
What is the filter efficiency percentage?
99.9
%
0Votes
99.9
%
0Votes
Percentage of particles the filter can capture.
In the battle of Filter Efficiency Percentage,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
, delivering
equal
99.90 %
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Efficiency Percentage on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Antibacterial Coating
Does it have antibacterial coating?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Indicates if the filter surface has antibacterial treatment.
In the battle of Antibacterial Coating,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Antibacterial Coating on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
UVC Light
Does it include UVC light?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Uses ultraviolet-C light to sterilize bacteria and viruses.
In the battle of UVC Light,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
UVC Light on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Ionizer Function
Does it have ionizer function?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Generates negative ions to capture fine airborne particles.
In the battle of Ionizer Function,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Ionizer Function on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
PlasmaWave Similar Tech
Does it include PlasmaWave or similar tech?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Indicates if PlasmaWave or equivalent ionization technology is used.
In the battle of PlasmaWave Similar Tech,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
PlasmaWave Similar Tech on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Availability
Are replacement filters available?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Indicates if replacement filters are easy to find on the market.
In the battle of Filter Availability,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Availability on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both models feature an automatic mode that adjusts the fan speed based on the air quality in the room. This makes both purifiers more convenient, allowing them to operate efficiently without requiring manual adjustments, saving energy when air quality is good.
Adjusts purification level automatically based on air quality.
In the battle of Automatic Mode,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Automatic Mode on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Neither the PuroAir 240 nor the PuroAir 400 includes an odor sensor. While both purifiers focus on capturing dust, pollen, and allergens, they do not detect odors or adjust their operation specifically based on smell, which may be a drawback for those sensitive to odors.
Detects unpleasant smells or chemical odors.
In the battle of Odor Sensor,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Odor Sensor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both purifiers come with a PM2.5 sensor, allowing them to detect fine particulate matter in the air. This is particularly useful for identifying and addressing pollutants such as smoke, dust, and pollen, which are common in indoor environments, especially during allergy season.
Detects PM2.5 fine particles (2.5 microns and smaller).
In the battle of PM25 Sensor,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
PM25 Sensor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both the PuroAir 240 and PuroAir 400 offer a real-time air quality display, so you can easily monitor the air quality in your room. This feature provides an instant overview of how well the purifier is doing at any given moment, offering an important visual cue to the air's cleanliness.
Displays air quality readings instantly on screen or app.
In the battle of Real Time Air Quality Display,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Real Time Air Quality Display on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both the PuroAir 240 and PuroAir 400 offer automatic fan speed adjustment. This feature ensures the purifier adjusts its operation based on real-time air quality, enhancing energy efficiency and maintaining optimal air quality without user intervention.
Automatically changes fan speed based on sensor data.
In the battle of Auto Fan Speed Adjustment,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Auto Fan Speed Adjustment on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Neither model comes equipped with a temperature sensor. Although both purifiers do an excellent job of cleaning the air, users interested in tracking the temperature of their environment will need to rely on external thermometers.
Measures ambient temperature for comfort optimization.
In the battle of Temperature Sensor,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Temperature Sensor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Neither the PuroAir 240 nor the PuroAir 400 has a humidity sensor. While this doesn’t affect their ability to purify air, users looking for a more comprehensive air monitoring system may need to consider additional devices to measure humidity in their space.
Detects humidity level in the environment.
In the battle of Humidity Sensor,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Humidity Sensor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Air Quality Sensor
Does it have an air quality sensor?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
PuroAir 240
Color ring follows AQI logic (green/yellow/red) and auto-adjusts the fan based on particulates/VOCs.
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Air Quality Sensor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
VOC Sensor
Does it have a VOC sensor?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
PuroAir 240
Detects volatile organic compounds (e.g., cleaning products, paints) and can trigger higher fan speeds in Auto mode. Source: PDP.
PuroAir 400
Helps respond to cooking odors, paints, and cleaning chemicals faster in Auto mode.
Detects volatile organic compounds and harmful gases.
In the battle of VOC Sensor,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
VOC Sensor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Auto Dimming Display
Does it have an auto dimming display?
Yes
0Votes
PuroAir 240
No
0Votes
PuroAir 400
PuroAir 240
Lights go off in Sleep Mode; there’s no separate “auto-dim” setting documented. Keep “Yes” as entered but note behavior is tied to Sleep.
Adjusts screen brightness automatically based on lighting.
In the battle of Auto Dimming Display,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Auto Dimming Display on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Dust Sensor
Does it include a dust sensor?
Yes
0Votes
PuroAir 240
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Dust Sensor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
PM10 Sensor
Does it have a PM10 sensor?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
PuroAir 240
Captures coarse dust and dander; complements PM2.5 readings for a fuller picture of indoor air.
Detects coarse dust particles (10 microns and larger).
In the battle of PM10 Sensor,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
PM10 Sensor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
CO2 Sensor
Does it include a CO2 sensor?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Monitors carbon dioxide levels in the air.
In the battle of CO2 Sensor,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
CO2 Sensor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Light Sensor
Does it have a light sensor?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Detects ambient light for automatic display dimming.
In the battle of Light Sensor,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Light Sensor on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Sensor Accuracy Rating
What is the sensor accuracy rating?
Who knows?
0Votes
PuroAir 240
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Measures how accurate the sensors are at detecting pollutants.
Don’t keep it to yourself — be the first to react and review the
Sensor Accuracy Rating on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Controls & Interface
13
Timer Function
Does it have a timer function?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
PuroAir 240
2/4/6/8-hour presets, handy for bedtime or away periods.
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Timer Function on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Sleep Mode
Does it feature a sleep mode?
Yes
0Votes
PuroAir 240
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Sleep Mode on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Child Lock
Does it include a child lock?
Yes
0Votes
PuroAir 240
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Child Lock on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Control Panel Location
Where is the control panel located?
69
PuroAir 240
0Votes
Top
38
PuroAir 400
0Votes
Top
PuroAir 240
Touch keys and indicators are on the top deck for easy reach when placed on a table or nightstand.
Indicates where the main control panel is located.
In the battle of Control Panel Location,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
31 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Control Panel Location on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Error Indicator Light
Does it include an error indicator light?
Yes
0Votes
PuroAir 240
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Error Indicator Light on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Touch Controls
Does it have touch controls?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Allows operation via touch-sensitive interface.
In the battle of Touch Controls,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Touch Controls on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Touch Sensitivity Level
What is the touch sensitivity level?
Who knows?
0Votes
PuroAir 240
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Indicates how responsive the touch interface is.
Don’t keep it to yourself — be the first to react and review the
Touch Sensitivity Level on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Physical Buttons
Does it include physical buttons?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Provides tactile buttons for basic operation.
In the battle of Physical Buttons,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Physical Buttons on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Remote Control
Does it come with a remote control?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Allows operation from a distance using a remote device.
In the battle of Remote Control,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Remote Control on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Mobile App Control
Can it be controlled through a mobile app?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Enables control via smartphone application.
In the battle of Mobile App Control,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Mobile App Control on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Display Brightness Adjustment
Can the display brightness be adjusted?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Allows users to adjust the display brightness manually.
In the battle of Display Brightness Adjustment,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Display Brightness Adjustment on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Reset Button
Does it have a filter reset button?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Dedicated button to reset the filter indicator after replacement.
In the battle of Filter Reset Button,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Reset Button on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
WiFi Indicator Light
Does it have a WiFi indicator light?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Shows WiFi connectivity status visually.
In the battle of WiFi Indicator Light,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
WiFi Indicator Light on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Fan & Operation Modes
10
Eco Mode
Does it have an eco mode?
No
0Votes
PuroAir 240
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,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Eco Mode on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Fan Speed Levels
What fan speed levels are available?
50
PuroAir 240
0Votes
Low, Medium, High, Sleep, Auto
The PuroAir 400 comes equipped with power surge protection, a valuable feature that safeguards the purifier from power fluctuations or spikes. Unfortunately, the PuroAir 240 does not have this safety feature, making the PuroAir 400 a more reliable option for users concerned about electrical stability.
Protects internal components from voltage spikes.
In the battle of Power Surge Protection,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Surge Protection on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Who knows?
0Votes
PuroAir 240
(Help us out by suggesting one!)
28
PuroAir 400
0Votes
IP20
vs
Electrical Protection Rating
The PuroAir 240 doesn't have a listed electrical protection rating, whereas the PuroAir 400 is rated with an IP20 protection level, meaning it is safeguarded against solid objects larger than 12mm but not against water. This makes the PuroAir 400 slightly more resilient in terms of physical protection.
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 PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both purifiers are designed with thermal fuses, ensuring that in the event of an overheating issue, the units will shut off automatically to prevent further damage. This common safety feature ensures both models have a similar level of protection against heat-related issues.
Identifies the type of fuse used for electrical safety.
In the battle of Fuse Type,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
9 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Fuse Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
The PuroAir 240 lacks tipover protection, so it may be less stable in busy environments with potential for movement. However, the PuroAir 400 features no such protection either, meaning both models lack safety features for securing the purifier in case of accidental tipping.
Shuts off the device automatically if it tips over.
In the battle of Tipover Protection,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Tipover Protection on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Overheat Protection
Does it have overheat protection?
Yes
0Votes
PuroAir 240
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Overheat Protection on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Safety Auto Shutoff
Does it feature safety auto shutoff?
Yes
0Votes
PuroAir 240
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Safety Auto Shutoff on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Ozone Emission Safe
Is it ozone emission safe?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
PuroAir 240
ENERGY STAR lists the unit and, by definition for mechanical HEPA purifiers (no ionizer/UV), ozone output meets US safety limits.
Ensures ozone emissions remain within safe levels.
In the battle of Ozone Emission Safe,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Ozone Emission Safe on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
UV Safety Shield
Does it include a UV safety shield?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Shields users from direct UV light exposure in UV-enabled models.
In the battle of UV Safety Shield,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
UV Safety Shield on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Power Failure Memory
Does it have power failure memory?
Yes
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Remembers last settings after a power outage.
In the battle of Power Failure Memory,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Failure Memory on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
The PuroAir 240 is built with standard quality materials, ensuring reliable performance but more suitable for occasional use. In contrast, the PuroAir 400 boasts a premium build quality, with enhanced durability and features like a scratch-resistant exterior, making it a sturdier option for long-term use.
Indicates the overall craftsmanship and material precision.
In the battle of Build Quality Grade,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
24 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Build Quality Grade on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Body Material
What material is the purifier body made of?
69
PuroAir 240
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,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Body Material on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Portability Handles Wheels
Does it have handles or wheels for portability?
No
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
PuroAir 400
Integrated top handle makes room-to-room moves easy; there are no wheels.
Indicates presence of handles or wheels for easier movement.
In the battle of Portability Handles Wheels,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Portability Handles Wheels on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Frame Material
What is the filter frame material?
69
PuroAir 240
0Votes
Plastic
68
PuroAir 400
0Votes
Plastic
Indicates the material used for the filter housing or frame.
In the battle of Filter Frame Material,
PuroAir 240 ◉ 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 Frame Material on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Build Type
What is the build type?
69
PuroAir 240
0Votes
Compact
58
PuroAir 400
0Votes
Compact
Defines the overall design structure of the purifier.
In the battle of Build Type,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Build Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Finish Texture
What type of finish texture does it have?
39
PuroAir 240
0Votes
Matte
38
PuroAir 400
0Votes
Matte
Describes the surface finish of the air purifier.
In the battle of Finish Texture,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Finish Texture on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Scratch Resistance
Is the purifier scratch resistant?
No
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Indicates resistance of the body surface to scratches.
In the battle of Scratch Resistance,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Scratch Resistance on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both the PuroAir 240 and PuroAir 400 include maintenance indicators that let users know when it's time for a filter change. This ensures that the air purifier maintains peak performance and helps you stay on top of your maintenance schedule without any guesswork.
Alerts when maintenance or cleaning is needed.
In the battle of Maintenance Indicator,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Maintenance Indicator on PuroAir 240 ◉
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,
PuroAir 240 ◉ 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 PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Replacement Method
What is the filter replacement method?
69
PuroAir 240
0Votes
Twist Lock
48
PuroAir 400
0Votes
Pull Out
Describes how the filter can be removed and replaced.
In the battle of Filter Replacement Method,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
21 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Method on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Ease Of Access
How is the ease of access for cleaning or filter changes?
79
PuroAir 240
0Votes
Top access
68
PuroAir 400
0Votes
Rear Access
Indicates how easily users can reach filters and components.
In the battle of Ease Of Access,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
11 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Ease Of Access on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Tool Free Maintenance
Is maintenance tool free?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Allows maintenance without using additional tools.
In the battle of Tool Free Maintenance,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Tool Free Maintenance on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Cleaning Tools
Are cleaning tools included?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Specifies if cleaning accessories are provided with the unit.
In the battle of Cleaning Tools,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Cleaning Tools on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Maintenance Frequency Reminder
Does it include a maintenance frequency reminder?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Provides reminders for regular filter replacement or cleaning.
In the battle of Maintenance Frequency Reminder,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Maintenance Frequency Reminder on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Replacement Cost Estimate
What is the estimated filter replacement cost?
64
PuroAir 240
0Votes
$40.50
72
PuroAir 400
0Votes
$69
Approximate cost for standard replacement filters.
In the battle of Filter Replacement Cost Estimate,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
higher
8 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Cost Estimate on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Smart & Connectivity Features
12
WiFi Connectivity
Does it have WiFi connectivity?
No
0Votes
PuroAir 240
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
WiFi Connectivity on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Bluetooth Connectivity
Does it have Bluetooth connectivity?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Allows wireless connection via Bluetooth for setup or local control.
In the battle of Bluetooth Connectivity,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Bluetooth Connectivity on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Cloud Connectivity
Does it support cloud connectivity?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Connects to cloud services for remote access and data sync.
In the battle of Cloud Connectivity,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Cloud Connectivity on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Offline Mode
Does it have an offline mode?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Operates fully even without an internet connection.
In the battle of Offline Mode,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Offline Mode on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
App Integration
Does it integrate with mobile apps?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Integrates with manufacturer or third-party mobile applications.
In the battle of App Integration,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
App Integration on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Voice Assistant Compatibility
Which voice assistants is it compatible with?
9
PuroAir 240
0Votes
None
0
PuroAir 400
0Votes
None
Specifies which voice assistants are supported.
In the battle of Voice Assistant Compatibility,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
9 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Voice Assistant Compatibility on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
IFTTT Or Smart Home Integration
Does it support IFTTT or smart home integration?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Integrates with automation platforms like IFTTT or smart home hubs.
In the battle of IFTTT Or Smart Home Integration,
PuroAir 240 ◉ 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 PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Firmware Update Capability
Can it update firmware automatically?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Allows over-the-air firmware updates for new features or bug fixes.
In the battle of Firmware Update Capability,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Firmware Update Capability on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Remote Start Stop
Can it be started or stopped remotely?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Enables turning the purifier on or off remotely via app or voice.
In the battle of Remote Start Stop,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Remote Start Stop on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Multi-Device Sync
Does it support multi-device sync?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Synchronizes multiple purifiers or devices under one control.
In the battle of Multi-Device Sync,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Multi-Device Sync on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Data Logging
Does it support data logging?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Logs air quality, usage, and performance data for analysis.
In the battle of Data Logging,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Data Logging on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Usage History
Does it keep usage history?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Records previous usage patterns and air quality stats.
In the battle of Usage History,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Usage History on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Environmental & Sustainability
7
Eco Friendly Materials
Are eco-friendly materials used?
No
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Indicates whether the product uses eco-friendly materials.
In the battle of Eco Friendly Materials,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Eco Friendly Materials on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Recyclable Filters
Are the filters recyclable?
No
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Indicates if filters are recyclable after use.
In the battle of Recyclable Filters,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Recyclable Filters on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Sustainable Packaging
Is the packaging sustainable?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Describes if the packaging uses recyclable or biodegradable materials.
In the battle of Sustainable Packaging,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Sustainable Packaging on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Low Ozone Emission
Does it have low ozone emission?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Ensures minimal ozone emission during operation.
In the battle of Low Ozone Emission,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Low Ozone Emission on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Carbon Footprint Rating
What is its carbon footprint rating?
Who knows?
0Votes
PuroAir 240
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Approximate carbon footprint of the device’s lifecycle.
Don’t keep it to yourself — be the first to react and review the
Carbon Footprint Rating on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Standby Power Usage
How much power does it use on standby?
Who knows?
0Votes
PuroAir 240
(Help us out by suggesting one!)
Who knows?
0Votes
PuroAir 400
(Help us out by suggesting one!)
Power consumption when the device is on standby mode.
Don’t keep it to yourself — be the first to react and review the
Standby Power Usage on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Noise Eco Mode
What is the noise level in eco mode?
22
dB
0Votes
36
dB
0Votes
Noise level during eco or low power mode.
In the battle of Noise Eco Mode,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
lower
14.0 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Eco Mode on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Accessories & Package Contents
8
Filters
Are filters included in the box?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Specifies if the product includes initial filters in the box.
In the battle of Filters,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Filters on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Spare Filters
Are spare filters included?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Indicates whether additional spare filters are provided.
In the battle of Spare Filters,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Spare Filters on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Power Cord
Is the power cord included?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
States whether a power cord is included in the box.
In the battle of Power Cord,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Cord on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Power Adapter
Is a power adapter included?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Specifies if an external power adapter is provided.
In the battle of Power Adapter,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Adapter on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Filter Replacement Tool
Is a filter replacement tool included?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Indicates whether a tool for filter replacement is provided.
In the battle of Filter Replacement Tool,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Tool on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Setup Guide
Is there a setup guide included?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Confirms if a setup or quick start guide is provided.
In the battle of Setup Guide,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Setup Guide on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
User Manual
Is a user manual included?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Confirms the presence of a printed or digital user manual.
In the battle of User Manual,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
User Manual on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Warranty Card
Is a warranty card included?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Indicates the inclusion of a warranty registration card.
In the battle of Warranty Card,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Warranty Card on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Certification & Standards
11
CARB Certified
Is it CARB certified?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
PuroAir 240
If you need formal confirmation, search the CARB Room Air Cleaners directory for “Puro Air 240”; retailers commonly list CARB, but verification should come from the CARB database.
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
CARB Certified on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
ETL Listed
Is it ETL listed?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
PuroAir 240
Frequently listed on retailer pages; for strict documentation, capture a photo of the product label or ETL directory entry when available.
PuroAir 400
Indicates compliance with North American electrical safety standards.
Shows compliance with North American electrical safety standards.
In the battle of ETL Listed,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
ETL Listed on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
UL Listed
Is it UL listed?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
PuroAir 240
Similarly cited by retailers; UL file numbers sometimes appear on the product label, worth confirming during QA.
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
UL Listed on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Energy Star Certified
Is it Energy Star certified?
Yes
0Votes
PuroAir 240
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Energy Star Certified on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
ISO Certified
Is it ISO certified?
Yes
0Votes
PuroAir 240
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,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
ISO Certified on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
AHAM Verified
Is it AHAM verified?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Indicates if the air purifier is verified by the Association of Home Appliance Manufacturers.
In the battle of AHAM Verified,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
AHAM Verified on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
CSA Certified
Is it CSA certified?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Certifies compliance with Canadian Standards Association safety requirements.
In the battle of CSA Certified,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
CSA Certified on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
EPA Certified
Is it EPA certified?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Verifies compliance with U.S. Environmental Protection Agency standards.
In the battle of EPA Certified,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
EPA Certified on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
RoHS Compliant
Is it RoHS compliant?
No
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Ensures restriction of hazardous substances in components and materials.
In the battle of RoHS Compliant,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
RoHS Compliant on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
FCC Certified
Is it FCC certified?
No
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Indicates compliance with Federal Communications Commission standards for electronic emissions.
In the battle of FCC Certified,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
FCC Certified on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
CE Certified
Is it CE certified?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
Confirms compliance with European safety, health, and environmental protection standards.
In the battle of CE Certified,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
CE Certified on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Both the PuroAir 240 and PuroAir 400 come with a 2-year warranty, providing customers with peace of mind regarding the longevity and reliability of their purchases. This ensures that any manufacturing defects or issues within the first two years will be addressed under the warranty terms.
Specifies how long the product is covered under warranty.
In the battle of Warranty Duration,
PuroAir 240 ◉ 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 Duration on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Warranty Service Type
What type of warranty service is included?
69
PuroAir 240
0Votes
Replacement
68
PuroAir 400
0Votes
Replacement
Defines how warranty service is provided.
In the battle of Warranty Service Type,
PuroAir 240 ◉ 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 Service Type on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Extended Warranty Availability
Is extended warranty available?
Yes
0Votes
PuroAir 240
Yes
0Votes
PuroAir 400
Indicates whether extended warranty options are offered.
In the battle of Extended Warranty Availability,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Extended Warranty Availability on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Service Center Availability
What is the service center coverage?
19
PuroAir 240
0Votes
Local
98
PuroAir 400
0Votes
Nationwide
Describes the scope of service center availability.
In the battle of Service Center Availability,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
79 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Service Center Availability on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Onsite Service Availability
Is onsite service available?
No
0Votes
PuroAir 240
No
0Votes
PuroAir 400
States whether technicians can provide onsite service or repair.
In the battle of Onsite Service Availability,
PuroAir 240 ◉ is
same as
PuroAir 400 ◉
.
Don’t keep it to yourself — be the first to react and review the
Onsite Service Availability on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Customer Support Channel
What are the customer support channels?
32
PuroAir 240
0Votes
Phone, Email, Website
38
PuroAir 400
0Votes
Phone, Email, Website
Lists available communication channels for customer support.
In the battle of Customer Support Channel,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
6 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Customer Support Channel on PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Online Support Platform
What online support platform is available?
59
PuroAir 240
0Votes
Website
78
PuroAir 400
0Votes
Website
Specifies the platform used for online support or warranty registration.
In the battle of Online Support Platform,
PuroAir 240 ◉ is
worse than
PuroAir 400 ◉
, delivering
lower
19 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Online Support Platform on PuroAir 240 ◉
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,
PuroAir 240 ◉ 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 PuroAir 240 ◉
vs PuroAir 400 ◉ and help others decide!
Return Policy
What is the return policy duration?
99
PuroAir 240
0Votes
100 Days
58
PuroAir 400
0Votes
30 Days
Defines the allowable time period for product returns.
In the battle of Return Policy,
PuroAir 240 ◉ is
better than
PuroAir 400 ◉
, delivering
higher
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Return Policy on PuroAir 240 ◉
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
0
Cartling
15
15
20
15
15
