101 Highlights 58 Differences 9 Reactions 0 Likes

Alen BreatheSmart FLEX vs Blue Pure 511: 101 Highlights & 58 Differences — So, Which Air Purifier Actually Works Better

Learn the key differences between these two popular purifiers to make the best choice for your home. What sets Alen BreatheSmart FLEX and Blue Pure 511 apart? We looked at their fan speed levels, safety auto shutoff, ozone emission safe & electrical protection rating and key differences in this complete air purifiers face-off.

Alen BreatheSmart FLEX
60 Points
Blue Pure 511
vs

Highlights 169

No extras. Just what matters.
62 Points
vs
60 Points

Why is Alen BreatheSmart FLEX better than Blue Pure 511 ?

Scroll down for more facts

Alen BreatheSmart FLEX vs Blue Pure 511: Finding the Right Air Purifier for Your Space

When choosing an air purifier, both the Alen BreatheSmart FLEX and the Blue Pure 511 stand out as solid contenders, yet they cater to different needs. Both utilize HEPA filtration technology and feature a modern tower design, making them suitable for bedroom and living spaces where clean air matters most. Despite these commonalities, the FLEX prioritizes coverage with its higher Clean Air Delivery Rate (CADR) of 225 and expansive 700 square feet coverage, designed for larger rooms, while the Blue Pure 511 aims to deliver efficiency in smaller areas with a smaller footprint and an eco-friendly A++ energy rating.

Both models emphasize effective filtration, yet the FLEX employs a 3-stage filter system with a 12-month life and robust safety features such as auto shutoff to prevent hazards. In contrast, the Blue Pure 511 boasts a 4-stage filtration including an H13 grade HEPA filter, albeit with a shorter 6-month filter lifespan, and adds convenience with a washable pre-filter. These differences highlight the FLEX as a heavy-duty purifier and the Blue Pure 511 as a cost-conscious choice with energy efficiency and portability in mind.

Power and Performance: The Strength of Alen BreatheSmart FLEX

The Alen BreatheSmart FLEX shines when it comes to tackling larger spaces and delivering cleaner air quickly. Its impressive 225 CADR ensures efficient purification through multiple air changes per hour, ideal for rooms up to 700 sq ft. With four fan speeds plus a turbo mode, users can optimize airflow based on their immediate needs, including a quiet sleep mode for nighttime use.

Build-wise, the FLEX presents a durable matte ABS plastic exterior with a convenient tool-free front filter access for easily sliding out filters when replacement is needed; usually every 12 months as indicated by a built-in replacement reminder. Safety is also a priority with an auto shutoff feature and certifications including CARB, AHAM, and ETL, ensuring ozone emissions remain low and that the unit meets rigorous standards. The FLEX also offers lifetime warranty and nationwide onsite service, underscoring its premium positioning for consumers demanding reliability and support.

Compact Efficiency: What Makes Blue Pure 511 a Sensible Pick

The Blue Pure 511 appeals especially to those with smaller spaces or tighter budgets. Despite its smaller size and lighter weight of just 4.2 lbs, this compact tower purifies confidently with an effective 122 CADR covering recommended room sizes around 189 sq ft and maximum up to 432 sq ft.

Its standout attribute is the inclusion of a washable pre-filter combined with an H13 grade HEPA filter which captures 99.97% of pollutants. This not only extends overall filter life to 6 months but reduces recurring maintenance costs. The power draw remains an energy-friendly 16W, fitting well with energy-conscious users. The Blue Pure 511 features three fan speeds and a sleep mode for quiet operation, although it lacks a timer and safety auto shutoff found in the FLEX.

Designed with pull-out filter replacement and simple button controls, it's user-friendly for quick everyday use. Certified by CARB, AHAM, and Energy Star, the Blue Pure 511 balances affordability with a solid performance and comes with a 1-year warranty and convenient local carry-in support, making it a practical choice for smaller households or secondary rooms.

Quick Take

The Alen BreatheSmart FLEX is a powerhouse, offering extensive coverage, premium filtration, and impressive safety certifications, perfect for bigger rooms and users who value robust support. Meanwhile, the Blue Pure 511 delivers a compact, budget-friendly package with notable energy efficiency and washable filter convenience, tailored for smaller spaces.

Closing Recommendation

For those seeking a high-performance purifier for large rooms with top-tier build quality and long-term peace of mind, the $279.2 Alen BreatheSmart FLEX is the superior choice. Conversely, if you need an affordable, easy-to-maintain purifier for smaller spaces without sacrificing essential HEPA filtration, the $99.99 Blue Pure 511 offers solid value and effective performance.

Verdict

  • Winner: Alen BreatheSmart FLEX - Offers greater coverage, stronger CADR, longer filter life, comprehensive certifications, and lifetime warranty with onsite support, ideal for larger rooms.
  • Runner-up: Blue Pure 511 - Compact, budget-friendly, energy-efficient purifier with washable pre-filter, suitable for smaller rooms and cost-conscious users.

Comparisons 23

Two enter. One leaves your cart.

Related comparisons 23

Because one duel is never enough.

Comparisons & Facts 169

Side by side. The numbers. The features. No drama.

Not just a spec list — this is a side-by-side air purifiers comparison between Alen BreatheSmart FLEX and Blue Pure 511, packed with useful details, standout features, and what users actually say. See which air purifier wins your vote.

General Information 13

Intended Room Type

What room type is it intended for?

31 Alen BreatheSmart FLEX 0Votes Bedroom, Office

46 Blue Pure 511 0Votes Bedroom, Living Room, Kitchen

Alen BreatheSmart FLEX
vs
Blue Pure 511
Intended Room Type

Alen BreatheSmart FLEX is intended for

Specifies what kind of room the air purifier is designed for.

Technology Type

What technology does it use?

46 Alen BreatheSmart FLEX 0Votes HEPA

61 Blue Pure 511 0Votes HEPA, HEPASilent, Activated Carbon

Alen BreatheSmart FLEX
vs
Blue Pure 511
Technology Type

Alen BreatheSmart FLEX uses 'HEPA' technology, while Blue Pure 511 incorporates

The primary purification technologies used by the unit.

Model Type

What type of model is this?

56 Alen BreatheSmart FLEX 0Votes Console

68 Blue Pure 511 0Votes Tower

Alen BreatheSmart FLEX
vs
Blue Pure 511
Model Type

Alen BreatheSmart FLEX is a 'Console' model type, whereas Blue Pure 511 is a 'Tower' model type. This difference in form factor might influence placement and aesthetic fit in your home.

The structural style or type of the air purifier.

Release Year

What year was it released?

81 Alen BreatheSmart FLEX 0Votes 2021

88 Blue Pure 511 0Votes 2023

Alen BreatheSmart FLEX
vs
Blue Pure 511
Release Year

The Alen BreatheSmart FLEX was released in '2021', making it two years older than the Blue Pure 511 which was released in '2023'. Newer models often offer updated features or efficiency improvements.

The year the model was first released to market.

Control Type

What control types are available?

66 Alen BreatheSmart FLEX 0Votes Touch

48 Blue Pure 511 0Votes Button

Alen BreatheSmart FLEX
vs
Blue Pure 511
Control Type

Alen BreatheSmart FLEX features 'Touch' controls, while Blue Pure 511 uses 'Button' controls. Users who prefer physical feedback might lean towards Blue Pure 511.

The methods available to operate the device.

Product Series

What is the product series?

75 Alen BreatheSmart FLEX 0Votes BreatheSmart

73 Blue Pure 511 0Votes 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Product Series

The Alen BreatheSmart FLEX belongs to the 'BreatheSmart' product series, while the Blue Pure 511 is from the '511' series.

Indicates which product line or series the model belongs to.

Color Options

What color options are offered?

67 Alen BreatheSmart FLEX 0Votes White

64 Blue Pure 511 0Votes Grey

Alen BreatheSmart FLEX
vs
Blue Pure 511
Color Options

Alen BreatheSmart FLEX is available in 'White', whereas Blue Pure 511 comes in 'Grey'. This is a purely aesthetic choice.

Available color variations for this model.

Form Factor

What is the form factor?

46 Alen BreatheSmart FLEX 0Votes Tower

48 Blue Pure 511 0Votes Tower

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

A tower design allows for easy placement in corners or against walls, optimizing airflow.

Blue Pure 511
Blue Pure 511

Its tower form is space-efficient and allows for optimal air circulation.

The overall shape and layout of the device.

Display Type

What is the display type?

0 Alen BreatheSmart FLEX 0Votes None

0 Blue Pure 511 0Votes None

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

No display included, keeping the design minimalist and focused on performance.

Blue Pure 511
Blue Pure 511

No display, providing a minimalistic design that suits modern living spaces.

The kind of display interface provided.

Design Style

What is the design style?

86 Alen BreatheSmart FLEX 0Votes Modern

88 Blue Pure 511 0Votes Modern

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Modern design that fits well with contemporary home décor.

The visual and structural style of the purifier’s exterior.

Country Of Origin

What is the country of origin?

56 Alen BreatheSmart FLEX 0Votes CN

58 Blue Pure 511 0Votes CN

Blue Pure 511
Blue Pure 511

Manufactured in China, with high standards for performance and quality control.

The country where the product was manufactured.

Dimensions & Weight 10

Cord Length

What is the cord length?

7.8 ft 0Votes
Alen BreatheSmart FLEX
6 ft 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Cord Length

The Alen BreatheSmart FLEX has a '7.8 ft' cord length, which is longer than the '6 ft' cord length of the Blue Pure 511. The Alen BreatheSmart FLEX offers more flexibility in placement without needing an extension cord.

The length of the power cord attached to the purifier.

Width

What is the width?

15 inch 0Votes
Alen BreatheSmart FLEX
7.9 inch 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

About 38.1 cm wide, making it compact enough for placement in tight spaces like corners.

Blue Pure 511
Blue Pure 511

Approximately 20 cm wide, making it easy to place in compact spaces without taking up too much room.

The horizontal measurement of the air purifier.

Depth

What is the depth?

8.5 inch 0Votes
Alen BreatheSmart FLEX
7.9 inch 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Approximately 21.6 cm deep, a slim design that doesn't take up much space.

Blue Pure 511
Blue Pure 511

About 20 cm deep, fitting conveniently in tight spaces such as corners or beside furniture.

The front-to-back measurement of the purifier.

Height

What is the height?

25 inch 0Votes
Alen BreatheSmart FLEX
13.4 inch 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Roughly 63.5 cm tall, about the height of a medium-sized bookshelf.

Blue Pure 511
Blue Pure 511

Standing 34 cm tall, similar to the height of a standard book or slightly shorter than a laptop, it fits easily under most cabinets.

The total vertical measurement from base to top.

Weight

What is the weight?

15 lbs 0Votes
Alen BreatheSmart FLEX
4.2 lbs 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Equivalent to about 6.8 kg, making it light enough to be moved around when necessary.

Blue Pure 511
Blue Pure 511

At just 1.9 kg, it is lightweight and easy to move around if needed.

The total weight of the air purifier unit.

Package Width

What is the package width?

15.5 inch 0Votes
Alen BreatheSmart FLEX
8 inch 0Votes
Blue Pure 511

The width of the product packaging.

Package Depth

What is the package depth?

9 inch 0Votes
Alen BreatheSmart FLEX
8 inch 0Votes
Blue Pure 511

The depth of the product packaging.

Package Height

What is the package height?

25.5 inch 0Votes
Alen BreatheSmart FLEX
14 inch 0Votes
Blue Pure 511

The height of the product packaging.

Package Weight

What is the package weight?

15.5 lbs 0Votes
Alen BreatheSmart FLEX
5 lbs 0Votes
Blue Pure 511

The total shipping weight including packaging.

Base Diameter

What is the base diameter?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Who knows? 0Votes Blue Pure 511 (Help us out by suggesting one!)

The circular base width for tower-style purifiers.

Performance & Efficiency 19

Clean Air Delivery Rate

What is the overall CADR?

225 cfm 1Votes
Alen BreatheSmart FLEX
122 cfm 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Clean Air Delivery Rate

The Clean Air Delivery Rate for Alen BreatheSmart FLEX is '225 cfm', which is significantly higher than the '122 cfm' of Blue Pure 511. This indicates faster air cleaning for the Alen BreatheSmart FLEX.

Measures the total air cleaning rate in cubic feet per minute.

The CADR on the Alen BreatheSmart FLEX is seriously impressive. I need that high air turnover for quick purification, so it's a no-brainer for me.

See more

Power Consumption

What is the power consumption?

50 Watt 0Votes
Alen BreatheSmart FLEX
16 Watt 1Votes
Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Power Consumption

Alen BreatheSmart FLEX consumes '50 Watt' of power, significantly more than the '16 Watt' consumed by Blue Pure 511. Blue Pure 511 is more energy-efficient.

Average electrical power used during operation.

I'm really trying to keep my electricity bill low, so the Blue Pure 511's super low power consumption is a huge plus. It's much more eco-friendly and wallet-friendly.

See more

Air Changes Per Hour

How many air changes per hour?

4 ACH 0Votes
Alen BreatheSmart FLEX
4.8 ACH 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Air Changes Per Hour

Blue Pure 511 achieves '4.8 ACH' (Air Changes Per Hour), slightly more frequently than Alen BreatheSmart FLEX which performs '4 ACH'. Blue Pure 511 changes the air in a room a bit faster.

Number of complete air changes per hour.

Noise Level Max

What is the maximum noise level?

50 dB 0Votes
Alen BreatheSmart FLEX
49 dB 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Noise Level Max

The Alen BreatheSmart FLEX has a maximum noise level of '50 dB', slightly higher than the Blue Pure 511's '49 dB'. Both units offer relatively quiet operation on their highest settings.

Maximum noise level at highest fan speed.

Energy Efficiency Rating

What is the energy efficiency rating?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

98 Blue Pure 511 0Votes A++

Alen BreatheSmart FLEX
vs
Blue Pure 511
Energy Efficiency Rating

The Alen BreatheSmart FLEX does not have an energy efficiency rating available, while the Blue Pure 511 boasts an 'A++' rating. Blue Pure 511 is certified as highly energy efficient.

Efficiency classification for energy consumption.

CADR Smoke

What is the CADR for smoke?

187 cfm 0Votes
Alen BreatheSmart FLEX
122 cfm 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

CADR (Clean Air Delivery Rate) for smoke is 187 cfm, a solid rating for smoke removal in medium-sized rooms.

Blue Pure 511
Blue Pure 511

This high CADR for smoke means it quickly purifies areas with indoor pollutants like smoke or cooking odors.

Smoke-specific clean air delivery rate.

CADR Pollen

What is the CADR for pollen?

135 cfm 0Votes
Alen BreatheSmart FLEX
123 cfm 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

CADR for pollen is 135 cfm, efficiently removing allergens from the air.

Blue Pure 511
Blue Pure 511

Excellent for reducing pollen, making it a great choice for allergy sufferers.

Pollen-specific clean air delivery rate.

CADR Dust

What is the CADR for dust?

53 cfm 0Votes
Alen BreatheSmart FLEX
123 cfm 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

CADR for dust is 53 cfm, effective in removing particles from your living environment.

Blue Pure 511
Blue Pure 511

Efficient at removing dust particles, contributing to a cleaner indoor environment.

Dust-specific clean air delivery rate.

Coverage Area

What is the coverage area?

700 sq ft 0Votes
Alen BreatheSmart FLEX
189 sq ft 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Coverage Area

Alen BreatheSmart FLEX covers a '700 sq ft' area, much larger than the '189 sq ft' covered by Blue Pure 511. For larger rooms, Alen BreatheSmart FLEX is the clear choice.

The total maximum area the purifier can effectively clean.

Maximum Coverage Area

What is the maximum coverage area?

700 sq ft 0Votes
Alen BreatheSmart FLEX
432 sq ft 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Matches the recommended room size, ensuring optimal performance in areas up to 700 sq ft.

Blue Pure 511
Blue Pure 511

Capable of purifying larger spaces up to 432 sq ft (about 40 m²), though optimized for smaller areas.

The largest possible area where the air purifier remains effective.

Airflow Direction Type

What is the airflow direction type?

36 Alen BreatheSmart FLEX 0Votes Upward

38 Blue Pure 511 0Votes Upward

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

The upward airflow helps distribute purified air across the room.

Blue Pure 511
Blue Pure 511

The upward airflow is designed to distribute purified air efficiently across the room.

The pattern or direction in which clean air is released.

Noise Level Min

What is the minimum noise level?

25 dB 0Votes
Alen BreatheSmart FLEX
24 dB 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Operates as quietly as a whisper at minimum speed, making it ideal for bedrooms or study areas.

Blue Pure 511
Blue Pure 511

Quiet operation, about as loud as a whisper in a library, ensuring a peaceful environment.

Minimum operating noise level at lowest fan speed.

Filtration System 18

Filter Life Duration

What is the filter life duration?

12 month 1Votes
Alen BreatheSmart FLEX
6 month 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Filter Life Duration

The Alen BreatheSmart FLEX filter lasts '12 months', twice as long as the '6 months' duration for the Blue Pure 511 filter. Alen BreatheSmart FLEX requires less frequent filter changes.

Expected lifespan of the filter before replacement.

Having to replace filters less often is a big deal for me. The Alen BreatheSmart FLEX's 12-month filter life totally beats the 511, saves hassle and money.

See more

Filter Washable

Are the filters washable?

No 0Votes Alen BreatheSmart FLEX

Yes 1Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Filter Washable

The Alen BreatheSmart FLEX filter is not washable, but the Blue Pure 511 filter is washable. Being able to wash the filter for Blue Pure 511 can potentially save on replacement costs and reduce waste.

Indicates whether filters can be washed and reused.

The washable filter on the Blue Pure 511 is a game changer for maintenance. It makes keeping the unit clean so much easier and probably helps save on replacement costs too.

See more

Pre Filter Type

What is the pre-filter type?

76 Alen BreatheSmart FLEX 0Votes Mesh

43 Blue Pure 511 0Votes Fabric

Alen BreatheSmart FLEX
vs
Blue Pure 511
Pre Filter Type

Alen BreatheSmart FLEX uses a 'Mesh' pre-filter type, whereas Blue Pure 511 features a 'Fabric' pre-filter type. This difference affects the initial capture of larger particles.

The type of pre-filter that captures larger dust and hair.

Filter Change Frequency

How often should filters be changed?

12 month 0Votes
Alen BreatheSmart FLEX
6 month 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Filter Change Frequency

The Alen BreatheSmart FLEX requires a filter change every '12 months', compared to every '6 months' for the Blue Pure 511. This means less frequent maintenance for Alen BreatheSmart FLEX.

Recommended frequency for changing filters.

Number Of Filter Stages

How many filter stages are there?

49 Alen BreatheSmart FLEX 0Votes 3

68 Blue Pure 511 1Votes 4

Alen BreatheSmart FLEX
vs
Blue Pure 511
Number Of Filter Stages

Blue Pure 511 has '4' filter stages, one more than the Alen BreatheSmart FLEX which has '3' stages. More filter stages can offer more comprehensive air purification.

Total number of filtration stages used in the air cleaning process.

I like that the Blue Pure 511 has four filter stages. More stages usually means better air cleaning, so that's a definite win for this model in my book.

See more

HEPA Filter Grade

What is the HEPA filter grade?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

78 Blue Pure 511 0Votes H13

Alen BreatheSmart FLEX
vs
Blue Pure 511
HEPA Filter Grade

The Alen BreatheSmart FLEX does not have a HEPA filter grade available, while the Blue Pure 511 uses an 'H13' grade HEPA filter. The Blue Pure 511 specifies a high-grade HEPA filtration standard.

Indicates HEPA filter class and particle capture efficiency.

Activated Carbon Amount

How much activated carbon does it have?

2.3 oz 0Votes
Alen BreatheSmart FLEX

Who knows? 0Votes Blue Pure 511 (Help us out by suggesting one!)

Alen BreatheSmart FLEX
vs
Blue Pure 511
Activated Carbon Amount

Alen BreatheSmart FLEX includes '2.3 oz' of activated carbon, while the amount for Blue Pure 511 is unavailable. The Alen BreatheSmart FLEX clearly states its capacity for odor absorption.

Total amount of activated carbon used in the filter.

Primary Filter Type

What is the primary filter type?

66 Alen BreatheSmart FLEX 0Votes HEPA

68 Blue Pure 511 0Votes HEPA

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

True HEPA filter ensures maximum efficiency in capturing airborne allergens and pollutants.

Blue Pure 511
Blue Pure 511

The HEPA filter captures 99.97% of particles, ensuring clean air by removing dust, allergens, and more.

The main type of filter used to trap fine particles.

Carbon Filter Type

What is the carbon filter type?

86 Alen BreatheSmart FLEX 0Votes Activated Carbon

88 Blue Pure 511 0Votes Activated Carbon

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Activated carbon filter helps to neutralize odors and volatile organic compounds (VOCs).

Blue Pure 511
Blue Pure 511

Helps neutralize odors, such as cooking smells or smoke, for fresher indoor air.

Type of carbon material used for odor and gas removal.

Filter Material Composition

What materials are used in the filter?

44 Alen BreatheSmart FLEX 0Votes Fiberglass, Plastic, Carbon Fiber

38 Blue Pure 511 0Votes Fiberglass, Plastic, Carbon Fiber

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

The filter material combines fiberglass for particle capture, plastic for durability, and carbon fiber for odor control.

Blue Pure 511
Blue Pure 511

Combines durable materials for effective filtration and long-lasting performance.

Materials used in constructing the filter media.

Filter Efficiency Percentage

What is the filter efficiency percentage?

99.97 % 0Votes
Alen BreatheSmart FLEX
99.97 % 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Filters 99.97% of particles, effectively cleaning the air of harmful contaminants.

Blue Pure 511
Blue Pure 511

Ensures superior air quality by trapping 99.97% of airborne particles down to 0.3 microns in size.

Percentage of particles the filter can capture.

Filter Replacement Indicator

Does it have a filter replacement indicator?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

A filter replacement indicator ensures you’re reminded when it’s time to change the filter.

Blue Pure 511
Blue Pure 511

A helpful reminder feature to let you know when it's time to replace the filter.

Alerts user when it’s time to replace filters.

Air Quality & Sensors 15

Air Quality Sensor

Does it have an air quality sensor?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Lacks sensors for real-time air quality feedback, but offers basic control options.

Detects overall air quality and pollution level.

Dust Sensor

Does it include a dust sensor?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

While it doesn't have a dedicated dust sensor, its high CADR helps effectively clear dust particles.

Detects airborne dust particles to optimize performance.

Odor Sensor

Does it have an odor sensor?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Without an odor sensor, it relies on the activated carbon filter to reduce smells.

Detects unpleasant smells or chemical odors.

VOC Sensor

Does it have a VOC sensor?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

No VOC sensor, but the activated carbon filter helps reduce volatile organic compounds.

Detects volatile organic compounds and harmful gases.

CO2 Sensor

Does it include a CO2 sensor?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Does not include a CO2 sensor, as it focuses on particulate and odor filtration.

Monitors carbon dioxide levels in the air.

PM25 Sensor

Does it include a PM2.5 sensor?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Lacks a PM2.5 sensor, but its HEPA filter captures fine particulate matter.

Detects PM2.5 fine particles (2.5 microns and smaller).

Temperature Sensor

Does it have a temperature sensor?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Does not include a temperature sensor, focusing purely on air purification.

Measures ambient temperature for comfort optimization.

Humidity Sensor

Does it include a humidity sensor?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

No humidity sensor, meaning it doesn’t adjust for humidity changes.

Detects humidity level in the environment.

Light Sensor

Does it have a light sensor?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

No light sensor, meaning it stays at a consistent brightness level without auto dimming.

Detects ambient light for automatic display dimming.

Auto Dimming Display

Does it have an auto dimming display?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Adjusts screen brightness automatically based on lighting.

Automatic Mode

Does it have an automatic mode?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Adjusts purification level automatically based on air quality.

Auto Fan Speed Adjustment

Does it support auto fan speed adjustment?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Automatically changes fan speed based on sensor data.

Controls & Interface 13

Physical Buttons

Does it include physical buttons?

No 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Physical Buttons

Alen BreatheSmart FLEX does not have physical buttons, relying solely on touch controls, while Blue Pure 511 includes physical buttons. Blue Pure 511 might appeal to users who prefer tactile controls.

Provides tactile buttons for basic operation.

Timer Function

Does it have a timer function?

Yes 1Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Timer Function

Alen BreatheSmart FLEX includes a timer function, which is not available on Blue Pure 511. The Alen BreatheSmart FLEX allows for scheduled operation.

Lets users set specific operating durations.

I absolutely need a timer function for my air purifier so I can set it and forget it. The Alen BreatheSmart FLEX offers that convenience, which is essential for my routine.

See more

Control Panel Location

Where is the control panel located?

36 Alen BreatheSmart FLEX 0Votes Front

38 Blue Pure 511 0Votes Top

Alen BreatheSmart FLEX
vs
Blue Pure 511
Control Panel Location

Alen BreatheSmart FLEX has its control panel on the 'Front', while Blue Pure 511 has it on the 'Top'. This affects accessibility depending on placement.

Indicates where the main control panel is located.

Error Indicator Light

Does it include an error indicator light?

Yes 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Error Indicator Light

Alen BreatheSmart FLEX includes an error indicator light, a feature not present on the Blue Pure 511. The Alen BreatheSmart FLEX provides visual cues for troubleshooting.

Displays warnings for operational issues or errors.

Touch Controls

Does it have touch controls?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Features touch controls for ease of use, allowing for simple operation and adjustment.

Allows operation via touch-sensitive interface.

Remote Control

Does it come with a remote control?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

No remote control, so all adjustments are made directly on the device.

Allows operation from a distance using a remote device.

Sleep Mode

Does it feature a sleep mode?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Sleep mode reduces the fan speed and noise level for quieter operation at night.

Operates quietly with dimmed display for sleeping.

Filter Reset Button

Does it have a filter reset button?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

A filter reset button helps you keep track of when the filter was last changed.

Dedicated button to reset the filter indicator after replacement.

Touch Sensitivity Level

What is the touch sensitivity level?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Who knows? 0Votes Blue Pure 511 (Help us out by suggesting one!)

Indicates how responsive the touch interface is.

Mobile App Control

Can it be controlled through a mobile app?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Enables control via smartphone application.

Display Brightness Adjustment

Can the display brightness be adjusted?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Allows users to adjust the display brightness manually.

Child Lock

Does it include a child lock?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Prevents accidental operation by children.

Fan & Operation Modes 10

Fan Speed Levels

What fan speed levels are available?

54 Alen BreatheSmart FLEX 0Votes Low, Medium, High, Turbo

38 Blue Pure 511 0Votes Low, Medium, High

Alen BreatheSmart FLEX
vs
Blue Pure 511
Fan Speed Levels

Alen BreatheSmart FLEX offers

Lists the available fan speed levels or names.

Turbo Mode

Does it include a turbo mode?

Yes 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Turbo Mode

Alen BreatheSmart FLEX includes a Turbo Mode, which is not available in Blue Pure 511. Turbo Mode allows for quick, intense air purification.

High-power mode for rapid air purification.

Maximum Fan Speed

What is the maximum fan speed?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Who knows? 0Votes Blue Pure 511 (Help us out by suggesting one!)

Maximum fan rotation speed when operating at full power.

Minimum Fan Speed

What is the minimum fan speed?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Who knows? 0Votes Blue Pure 511 (Help us out by suggesting one!)

Lowest rotation speed for quiet or energy-saving mode.

Eco Mode

Does it have an eco mode?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Energy-saving mode that reduces power usage.

Sleep Quiet Mode

Does it feature a sleep or quiet mode?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Minimizes noise and display brightness for nighttime use.

Manual Mode

Does it include manual mode?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Allows manual fan speed and mode selection by the user.

Custom Mode

Does it support a custom mode?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Lets users set personalized mode settings or schedules.

Oscillation

Does it feature oscillation?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Rotates or swings to distribute air evenly across a room.

Airflow Direction Control

Can you control the airflow direction?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Allows users to adjust the direction of purified airflow.

Safety & Protection 9

Safety Auto Shutoff

Does it feature safety auto shutoff?

Yes 1Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Safety Auto Shutoff

Alen BreatheSmart FLEX features a safety auto shutoff, a feature that Blue Pure 511 does not have. This can be an important safety consideration for the Alen BreatheSmart FLEX.

Automatically turns off under unsafe or fault conditions.

Safety features are a big concern for me, especially having kids around. The auto shutoff on the Alen BreatheSmart FLEX gives me peace of mind, unlike the other one.

See more

Ozone Emission Safe

Is it ozone emission safe?

Yes 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Ozone Emission Safe

Alen BreatheSmart FLEX is safe for ozone emission, while Blue Pure 511 does not specify ozone emission safety. Alen BreatheSmart FLEX reassures users about safe operation regarding ozone.

Ensures ozone emissions remain within safe levels.

Electrical Protection Rating

What is the electrical protection rating?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

28 Blue Pure 511 0Votes IP20

Alen BreatheSmart FLEX
vs
Blue Pure 511
Electrical Protection Rating

The Alen BreatheSmart FLEX does not have an electrical protection rating available, but the Blue Pure 511 has an 'IP20' rating. Blue Pure 511 specifies a level of protection against solid objects.

Indicates protection level against dust or electrical contact.

Overheat Protection

Does it have overheat protection?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Prevents damage by automatically shutting down when overheating.

Tipover Protection

Does it include tipover protection?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Shuts off the device automatically if it tips over.

Power Surge Protection

Does it include power surge protection?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Protects internal components from voltage spikes.

UV Safety Shield

Does it include a UV safety shield?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Shields users from direct UV light exposure in UV-enabled models.

Power Failure Memory

Does it have power failure memory?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Remembers last settings after a power outage.

Fuse Type

What type of fuse does it use?

36 Alen BreatheSmart FLEX 0Votes Thermal Fuse

28 Blue Pure 511 0Votes Thermal Fuse

Identifies the type of fuse used for electrical safety.

Build & Materials 7

Build Type

What is the build type?

56 Alen BreatheSmart FLEX 0Votes Compact

18 Blue Pure 511 0Votes Fixed

Alen BreatheSmart FLEX
vs
Blue Pure 511
Build Type

Alen BreatheSmart FLEX has a 'Compact' build type, contrasting with the 'Fixed' build type of Blue Pure 511.

Defines the overall design structure of the purifier.

Body Material

What material is the purifier body made of?

66 Alen BreatheSmart FLEX 0Votes ABS Plastic

68 Blue Pure 511 0Votes ABS Plastic

Describes the main material used for the purifier body.

Filter Frame Material

What is the filter frame material?

66 Alen BreatheSmart FLEX 0Votes Plastic

48 Blue Pure 511 0Votes Plastic

Indicates the material used for the filter housing or frame.

Finish Texture

What type of finish texture does it have?

36 Alen BreatheSmart FLEX 0Votes Matte

28 Blue Pure 511 0Votes Matte

Describes the surface finish of the air purifier.

Build Quality Grade

What is the build quality grade?

56 Alen BreatheSmart FLEX 0Votes Standard

58 Blue Pure 511 0Votes Standard

Indicates the overall craftsmanship and material precision.

Scratch Resistance

Is the purifier scratch resistant?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Indicates resistance of the body surface to scratches.

Portability Handles Wheels

Does it have handles or wheels for portability?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Indicates presence of handles or wheels for easier movement.

Maintenance & Usability 8

Filter Replacement Method

What is the filter replacement method?

56 Alen BreatheSmart FLEX 0Votes Slide Out

68 Blue Pure 511 0Votes Pull Out

Alen BreatheSmart FLEX
vs
Blue Pure 511
Filter Replacement Method

Alen BreatheSmart FLEX uses a 'Slide Out' method for filter replacement, whereas Blue Pure 511 uses a 'Pull Out' method. Both methods offer ease of maintenance.

Describes how the filter can be removed and replaced.

Cleaning Frequency

How often should it be cleaned?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

30 days 0Votes
Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Cleaning Frequency

The cleaning frequency for Alen BreatheSmart FLEX is not available, while Blue Pure 511 recommends cleaning every '30 days'. Blue Pure 511 provides clearer guidance on maintenance.

Recommended frequency of cleaning for optimal performance.

Maintenance Indicator

Does it have a maintenance indicator?

Yes 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Maintenance Indicator

Alen BreatheSmart FLEX has a maintenance indicator, a feature not available on Blue Pure 511. This helps Alen BreatheSmart FLEX users keep track of maintenance schedules.

Alerts when maintenance or cleaning is needed.

Maintenance Frequency Reminder

Does it include a maintenance frequency reminder?

Yes 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Maintenance Frequency Reminder

Alen BreatheSmart FLEX includes a maintenance frequency reminder, which is not available on Blue Pure 511. This further aids Alen BreatheSmart FLEX users in timely upkeep.

Provides reminders for regular filter replacement or cleaning.

Ease Of Access

How is the ease of access for cleaning or filter changes?

86 Alen BreatheSmart FLEX 0Votes Front Access

78 Blue Pure 511 0Votes Front Access

Indicates how easily users can reach filters and components.

Tool Free Maintenance

Is maintenance tool free?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Allows maintenance without using additional tools.

Cleaning Tools

Are cleaning tools included?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Specifies if cleaning accessories are provided with the unit.

Filter Replacement Cost Estimate

What is the estimated filter replacement cost?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Who knows? 0Votes Blue Pure 511 (Help us out by suggesting one!)

Approximate cost for standard replacement filters.

Smart & Connectivity Features 12

Offline Mode

Does it have an offline mode?

Yes 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Offline Mode

Alen BreatheSmart FLEX features an offline mode, which is not available on Blue Pure 511. This allows Alen BreatheSmart FLEX to function without an internet connection if it had smart features.

Operates fully even without an internet connection.

Voice Assistant Compatibility

Which voice assistants is it compatible with?

74 Alen BreatheSmart FLEX 0Votes Alexa, Google Assistant

0 Blue Pure 511 0Votes None

Alen BreatheSmart FLEX
vs
Blue Pure 511
Voice Assistant Compatibility

Alen BreatheSmart FLEX is compatible with

Specifies which voice assistants are supported.

WiFi Connectivity

Does it have WiFi connectivity?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Does not support WiFi or app connectivity, focusing on simple, effective air purification.

Indicates if the air purifier can connect to WiFi for app or remote control.

Bluetooth Connectivity

Does it have Bluetooth connectivity?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Lacks Bluetooth connectivity for smart features or app integration.

Allows wireless connection via Bluetooth for setup or local control.

Cloud Connectivity

Does it support cloud connectivity?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Connects to cloud services for remote access and data sync.

App Integration

Does it integrate with mobile apps?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Integrates with manufacturer or third-party mobile applications.

IFTTT Or Smart Home Integration

Does it support IFTTT or smart home integration?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Integrates with automation platforms like IFTTT or smart home hubs.

Firmware Update Capability

Can it update firmware automatically?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Allows over-the-air firmware updates for new features or bug fixes.

Remote Start Stop

Can it be started or stopped remotely?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Enables turning the purifier on or off remotely via app or voice.

Multi-Device Sync

Does it support multi-device sync?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Synchronizes multiple purifiers or devices under one control.

Data Logging

Does it support data logging?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Logs air quality, usage, and performance data for analysis.

Usage History

Does it keep usage history?

No 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Records previous usage patterns and air quality stats.

Environmental & Sustainability 7

Eco Friendly Materials

Are eco-friendly materials used?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Built using eco-friendly materials, making it a good choice for environmentally conscious consumers.

Indicates whether the product uses eco-friendly materials.

Recyclable Filters

Are the filters recyclable?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Filters are recyclable, reducing waste and contributing to sustainable living.

Indicates if filters are recyclable after use.

Sustainable Packaging

Is the packaging sustainable?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Packaged with sustainability in mind, reducing the environmental impact of shipping.

Describes if the packaging uses recyclable or biodegradable materials.

Low Ozone Emission

Does it have low ozone emission?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Ensures minimal ozone emission during operation.

Carbon Footprint Rating

What is its carbon footprint rating?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Who knows? 0Votes Blue Pure 511 (Help us out by suggesting one!)

Approximate carbon footprint of the device’s lifecycle.

Standby Power Usage

How much power does it use on standby?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Who knows? 0Votes Blue Pure 511 (Help us out by suggesting one!)

Power consumption when the device is on standby mode.

Noise Eco Mode

What is the noise level in eco mode?

Who knows? 0Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Who knows? 0Votes Blue Pure 511 (Help us out by suggesting one!)

Noise level during eco or low power mode.

Accessories & Package Contents 8

Power Adapter

Is a power adapter included?

No 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Power Adapter

Alen BreatheSmart FLEX does not include a power adapter, while Blue Pure 511 does. This detail about the power adapter is useful for understanding package contents.

Specifies if an external power adapter is provided.

Filter Replacement Tool

Is a filter replacement tool included?

No 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Filter Replacement Tool

The Alen BreatheSmart FLEX does not include a filter replacement tool, but Blue Pure 511 does. Blue Pure 511 provides all necessary tools for maintenance.

Indicates whether a tool for filter replacement is provided.

Filters

Are filters included in the box?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Specifies if the product includes initial filters in the box.

Spare Filters

Are spare filters included?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Indicates whether additional spare filters are provided.

Power Cord

Is the power cord included?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

States whether a power cord is included in the box.

Setup Guide

Is there a setup guide included?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Confirms if a setup or quick start guide is provided.

User Manual

Is a user manual included?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Confirms the presence of a printed or digital user manual.

Warranty Card

Is a warranty card included?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Indicates the inclusion of a warranty registration card.

Certification & Standards 11

Energy Star Certified

Is it Energy Star certified?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Blue Pure 511
Blue Pure 511

Energy Star certified, confirming its energy-efficient operation and low power consumption.

Indicates certification for energy-efficient performance.

AHAM Verified

Is it AHAM verified?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Indicates if the air purifier is verified by the Association of Home Appliance Manufacturers.

CARB Certified

Is it CARB certified?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Confirms compliance with California Air Resources Board standards for ozone emission safety.

ETL Listed

Is it ETL listed?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Shows compliance with North American electrical safety standards.

UL Listed

Is it UL listed?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Indicates UL certification for electrical and fire safety.

CSA Certified

Is it CSA certified?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Certifies compliance with Canadian Standards Association safety requirements.

EPA Certified

Is it EPA certified?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Verifies compliance with U.S. Environmental Protection Agency standards.

RoHS Compliant

Is it RoHS compliant?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Ensures restriction of hazardous substances in components and materials.

FCC Certified

Is it FCC certified?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Indicates compliance with Federal Communications Commission standards for electronic emissions.

CE Certified

Is it CE certified?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Confirms compliance with European safety, health, and environmental protection standards.

ISO Certified

Is it ISO certified?

Yes 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Indicates certification under ISO standards for quality or environmental management.

Warranty & Support 9

Warranty Duration

What is the warranty duration?

86 Alen BreatheSmart FLEX 1Votes Lifetime

48 Blue Pure 511 0Votes 1 year

Alen BreatheSmart FLEX
vs
Blue Pure 511
Warranty Duration

Alen BreatheSmart FLEX comes with a 'Lifetime' warranty, which is significantly longer than the '1 year' warranty offered by Blue Pure 511. The Alen BreatheSmart FLEX provides superior long-term peace of mind regarding product defects.

Specifies how long the product is covered under warranty.

A lifetime warranty for the Alen BreatheSmart FLEX? That's incredible value and shows confidence in their product. It definitely makes me lean towards this model for long-term use.

See more

Warranty Service Type

What type of warranty service is included?

76 Alen BreatheSmart FLEX 0Votes On Site

38 Blue Pure 511 0Votes Carry In

Alen BreatheSmart FLEX
vs
Blue Pure 511
Warranty Service Type

Alen BreatheSmart FLEX offers 'On Site' warranty service, whereas Blue Pure 511 provides 'Carry In' service. On-site service from Alen BreatheSmart FLEX is more convenient for customers.

Defines how warranty service is provided.

Extended Warranty Availability

Is extended warranty available?

No 0Votes Alen BreatheSmart FLEX

Yes 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Extended Warranty Availability

An extended warranty is not available for Alen BreatheSmart FLEX, but it is available for Blue Pure 511. Blue Pure 511 offers options for extended protection beyond the standard warranty.

Indicates whether extended warranty options are offered.

Service Center Availability

What is the service center coverage?

96 Alen BreatheSmart FLEX 0Votes Nationwide

38 Blue Pure 511 0Votes Local

Alen BreatheSmart FLEX
vs
Blue Pure 511
Service Center Availability

Alen BreatheSmart FLEX has 'Nationwide' service center availability, which is broader than the 'Local' availability for Blue Pure 511. Alen BreatheSmart FLEX offers wider service accessibility.

Describes the scope of service center availability.

Onsite Service Availability

Is onsite service available?

Yes 0Votes Alen BreatheSmart FLEX

No 0Votes Blue Pure 511

Alen BreatheSmart FLEX
vs
Blue Pure 511
Onsite Service Availability

Alen BreatheSmart FLEX provides onsite service availability, a benefit not offered by Blue Pure 511. Onsite service for the Alen BreatheSmart FLEX adds convenience for major repairs.

States whether technicians can provide onsite service or repair.

Customer Support Channel

What are the customer support channels?

26 Alen BreatheSmart FLEX 0Votes Phone, Email

31 Blue Pure 511 0Votes Phone, Email, Live Chat

Alen BreatheSmart FLEX
vs
Blue Pure 511
Customer Support Channel

Alen BreatheSmart FLEX offers

Lists available communication channels for customer support.

Return Policy

What is the return policy duration?

76 Alen BreatheSmart FLEX 0Votes 60 Days

40 Blue Pure 511 0Votes 30 Days

Alen BreatheSmart FLEX
vs
Blue Pure 511
Return Policy

Alen BreatheSmart FLEX has a '60 Days' return policy, double the '30 Days' policy of Blue Pure 511. The Alen BreatheSmart FLEX offers a longer period for returns.

Defines the allowable time period for product returns.

Online Support Platform

What online support platform is available?

76 Alen BreatheSmart FLEX 0Votes Website

78 Blue Pure 511 0Votes Website

Specifies the platform used for online support or warranty registration.

Response Time

What is the typical customer support response time?

24 hours 0Votes
Alen BreatheSmart FLEX
24 hours 0Votes
Blue Pure 511

Average time for customer support to respond.

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
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Very good — Removes 95% to 99% of particles
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Decent — Removes 85% to 95% of particles
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Weak — Removes 70% to 85% of particles
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Poor — Removes under 70% of particles
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511

Air Circulation Speed

How quickly does this air purifier clean the air in a medium-sized room?

Very fast — Under 10 minutes
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Fast — 10 to 20 minutes
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Moderate — 20 to 30 minutes
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Slow — 30 to 45 minutes
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Very slow — Over 45 minutes
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511

Noise Level

How quiet is this air purifier during normal operation?

Very quiet — Under 25 dB
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Quiet — 25 to 35 dB
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Moderate — 35 to 45 dB
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Loud — 45 to 55 dB
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Very loud — Over 55 dB
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511

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
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Easy — A few steps but clear instructions
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Average — Needed some effort but manageable
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Tricky — Confusing or unclear setup steps
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Frustrating — Difficult and time-consuming setup
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511

Filter Replacement Convenience

How easy is it to replace the filter on this air purifier?

Very simple — Quick and tool-free
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Easy — Takes only a few minutes
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Average — Manageable but a bit fiddly
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Hard — Requires tools or careful handling
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Very hard — Complicated or frustrating process
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511

Filter Lifespan

How long does the filter in this air purifier typically last?

Very long — Over 12 months
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Long — 9 to 12 months
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Average — 6 to 9 months
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Short — 3 to 6 months
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Very short — Under 3 months
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511

Energy Consumption

How energy-efficient is this air purifier during daily use?

Very efficient — Under 30 watts
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Efficient — 30 to 50 watts
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Moderate — 50 to 80 watts
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
High — 80 to 120 watts
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Very high — Over 120 watts
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511

Design Appeal

How would you rate the design and appearance of this air purifier?

Sleek and stylish — Looks modern and fits any room
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Clean and simple — Looks nice and unobtrusive
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Average — Functional but plain
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Bulky — Takes space and looks outdated
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Clunky — Unattractive and poorly designed
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511

Portability and Size

How convenient is the size and portability of this air purifier?

Very compact — Under 10 pounds
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Compact — 10 to 15 pounds
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Medium — 15 to 20 pounds
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Large — 20 to 25 pounds
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Very large — Over 25 pounds
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511

Pricing

How do you feel about the price of this air purifier?

Great value for money
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Pretty good price
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Fair deal
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Kinda pricey
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511
Crazy expensive
0Votes
Alen BreatheSmart FLEX
0Votes
Blue Pure 511

Guides 2

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Alen BreatheSmart FLEX User Manual

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shopify.com

Files 1

Blueair Blue Pure 511 User Manual

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shopify.com

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