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Alen Air Purifiers Compared: T500 vs. BreatheSmat FLEX vs. 45i vs. Fit50 vs. Classic vs. 75i

Updated: Nov 22, 2024

Nowadays, having fresh air inside is important. Moreover, if you are sensitive to dust or allergies/asthma, you need to get the best product to have the air fresh and clean. Most purifiers only purify the air while the premium machines also include the best filtration systems that can clear the air including removing odors & smells. Let's have a look at the Alen purifiers. Those are high-end devices that are safe for everyone, not only those who suffer from allergy and asthma but everyone who has pets, want to get rid of stinky odors, etc.

Alen Air Purifiers Comparison Chart

Specs/Models Alen T500 BreatheSmart FLEX BreatheSmart 45i Alen BreatheSmart Fit50 BreatheSmart Classic  Alen BreatheSmart 75i
Fan speed 4 4 4 4 4 5
Air quality report no no yes yes yes yes
Airflow speed 3 4 3 4 4 5
Airflow (per cubic meter) 48-159 CFM 53-187 CFM N/A 110-231 CFM N/A 95-350 CFM
Noise level, dB 47 49 55 44 50 49
LCD panel yes yes yes yes yes yes
Area coverage, Sq. ft. 500 700 800 900 1100 1300
Power consumption, W 53 36 50 60 105 45
Filter life 24/7, months 6-9 9-12 9-12 9-12 9-12 12-15

Alen T500 

The Alen T500 has a compact design and this is the smallest purifier for personal usage.

Where to use

The T500 is developed by NASA airflow engineers, can be used in any living spaces as it can clean 500 sqft (46 sq m) every 30 minutes.

Filtration

The purifier uses a HEPA filter which captures up to 99.97% of airborne particles down to 0.3 microns. It also kills mold and bacteria, reduces pet odors and fur preventing it from growing on the filter and releasing back into the air. 

Use and specification

The Alen T500 is extremely simple to use and easy to maintain. The portable tower features an LCD panel, allowing you to adjust settings with just a quick touch of a button. There are two colors available: black and white and easo-to-change HEPA filters when the one is needed to be replaced.

The T500 consumes 53 Watts on the highest speed and weighs 9 lbs.

Conclusion

It is a budget air purifier for a small to an average area for those who need a simple machine to clean the air in the room.


BreatheSmart FLEX

The Alen BreatheSmart FLEX is the perfect combination of power and performance.

Where to use

This is an ideal machine for mid-sized rooms.

Filtration

The BreatheSmart FLEX has two modifications: the one which removes dust, mold, pet odors and the other one which is also able to remove smoke odors. Both have a true-HEPA filter and are safe for sensitive-to-dust-people. The BreathSmart Flex air cleaner has WhisperMax Technology so you can rest peacefully.

Use and specification

The unit has an LCD display that shows 4 fan speed options, sends maintenance alerts. It has a nice and sleek design and fits into any room. It consumes 36 Watts at the highest speed settings. The weight is 15 lbs and the machine is 25 inches tall. It cleans up to 700 sqft (65 square meters) every 30 minutes.

To conclude:

The Alen BreatheSmart FLEX is a great purifier for average spaces, has an amazing design and is one of the cheapest in the family.


BreatheSmart 45i

Ideal for medium and large-sized spaces. The Alen BreatheSmart 45i air purifier offers an 800 SqFt coverage area. It is also smarter than its predecessors and is more efficient.

Where to use

Mid-size areas.

Filtration

Recommended for dust, danger allergens, fur, and household odors. Helps relieve allergy and asthma symptoms including runny nose congestion. Filter lasts up to 9 to 12 months with regular usage which is three-five months longer than standard filters. There is also a cleanable pre-filter. We recommend using a light suction vacuum to remove the debris if needed.

Specifications

Cleans up to 800 sqft (74 square meters) every 30 minutes circulating air up to 5 times an hour. It has a display with useful information and is not as noisy. Consumes 500 Watts. The purifier automatically detects air quality and changes the color of the button once it detects the particles in the air. Auto mode adjusts fan speed to clean the air more effectively.

To conclude

The Alen BreatheSmart 45i is a smart purifier for small and average-sized areas. Because of having an auto mode, it is also more efficient.


Alen BreatheSmart Fit50

The BreatheSmart Fit50 is the perfect air purifier for smoke since it has the biggest air filter of all of our BreatheSmart family. Whether it’s a bedroom, kitchen, or kid’s room, the Alen BreatheSmart Fit50 air purifier covers a generous 900 SqFt area. 

BreatheSmart Fit50 is fully customizable, offering four different filter types to accommodate changing air purification needs, and 13-panel color options to match your home decor. Also, Alen's exclusive SmartSensor feature automatically detects and adjusts to changing air quality, prolonging filter life and conserving energy.

Where to use:

In the rooms with heavy odors and it is ideal for people who are too sensitive to smoke, have respiratory health issues and live in areas that have potential wildfire risks. 

Filtration

There are four filter modifications: HEPA Pure (Allergies & Dust), HEPA Silver (Mold & Bacteria), HEPA Fresh Plus (Pet Dander & Odor); HEPA Odorcell (Smoke & Chemical).

HEPA PURE is designed to remove dust, dander, pollen, and other airborne allergens. It is the most baseline filter option that traps all the larger particles like fur and dirt.

HEPA SILVER for those who are highly sensitive to dust, mold, mildew, bacteria, light odors. It has 4 layers of protection, that traps, kills and absorbs odors (carbon layer). 

HEPA FRESH PLUS was designed for those who suffer from fumes from a smoker, nearby wildfire smoke, or cooking odors. The filter has three layers including activated carbon to remove all kinds of odors such as smoke, wildfire or rooms where heavy cleaning smells linger such as kitchens, utility rooms, and playrooms or for people who are sensitive to VOC’s.

HEPA ODORCELL is the best filter for people with pets, baby's diapers, smelly teenagers or just a stinky room. It has 3 distinct layers that catch dust, pollens, removes odors that are trapped and destroyed on a molecular level.

Use and specification

It consumes 60 Watts on the highest settings. The filter lasts up to 9-12 months depending on usage. The LCD panel shows additional information. The Fit50 was specially designed for those who suffer from odors and smoke, has the most advanced filtration system and is easy to use. Ideal for those who want to remove odors quickly. It purifies 900 sqft (83 square meters) every 30 minutes. It also offers a lifetime warranty.

To conclude:

The BreatheSmart Fit50 is designed to remove from pollens to heavy odors and smoke. Ideal for those who want to have a clean house smell back. Depending on your needs, the purifier offers four different modifications with basic or advanced filtration.


BreatheSmart Classic 

The Alen BreatheSmart Classic is perfect for large family areas and open concept spaces. It purifies a 1,100 sqft area (102 square meters). Ideal for those who not only want to remove pollens but also get rid of odors.

Where to use:

In large areas.

Filtration system

There are four filter modifications: HEPA Pure (Allergies & Dust), HEPA Silver (Mold & Bacteria), HEPA Fresh Plus (Pet Dander & Odor); HEPA Odorcell (Smoke & Chemical).

The same as with the Fit50 model, the Classic version offers four different kinds of filtration depending on your needs.

Use and specification

On Auto mode, the purifier detects small particles in the air and boosts the fan speed to clean the air as soon as possible. The filters last up to 9-12 months and are easy to change. It consumes 105 Watts. WhisperMax technology allows the air purifier to run without a lot of noise so it will not distract you when working.

Conclusion

The Alen BreatheSmart Classic is a quiet purifier for large spaces and big families. Depending on your needs, you can go with any modification from the most basic to advanced. 


Alen BreatheSmart 75i

The Alen BreatheSmart 75i is ideal for large, open-concept spaces including living rooms, bedrooms, lofts, apartments, offices, kitchens, basements. A most powerful unit it cleans 1300sq every 30 minutes. Not only powerful, but one of the quietest air purifiers available.

Where to use:

In large open-concept spaces.

Filtration

Alen’s True HEPA-Fresh filter removes airborne allergens, dust, pollen, fur, pet dander, household odors PLUS smoke from cigarettes, cigars, cooking, wildfires, and VOC fumes from chemicals & aerosol sprays. It contains a HEPA layer and activated carbon layer to remove odors. The filter lasts up to 12-15 months.

Use and specification

It only consumes 45 Watts on the highest settings and is one of the quietest machines on the market. With Auto mode, it detects the smallest particles and automatically boosts the fan speed to clear the air. On the display, you can see the air quality, filter maintenance, etc. The purifier has 5 speeds and offers a lifetime warranty.

The CFM includes 5 speeds and noise levels. 

Conclusion

The BreatheSmart 75i is one of the quietest air purifiers for large open spaces and big families.


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