Find the Best Air Purifier for You

Review the air purifier comparison chart below to select the best air purifier for you and your family.


Lifetime Limited Warranty: Every Alen HEPA Air Purifier includes the industry's first and only Lifetime Limited Warranty, promising you a lifetime of pure, healthy air.

60 Day Guarantee: We are so confident an Alen HEPA Air Purifier will make a difference, we guarantee it with 60 Days to enjoy its benefits or your money back.

Product Expertise: Call 800-630-2396 to speak with an Air Quality Specialist about choosing the best air purifier for you.

Fast, FREE Delivery: Order by 2:00pm CST on weekdays and your air purifier ships FREE same day and arrives to most US destinations within 3 to 4 business days.

Alen BreatheSmart Alen A375 Alen A350 Alen Paralda Alen T500 Alen T100
 
 
Price: $599.00
+ FREE Shipping

4.7857
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Price: $399.00
+ FREE Shipping

4.5
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Price: $399.00
+ FREE Shipping

4.4084
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Price: $399.00
+ FREE Shipping

4.4528
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Price: $299.00
+ FREE Shipping

4.5882
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Price: $169.00
+ FREE Shipping

4.2154
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  • 42% Greater Airflow, 42% More Coverage, 50% Quieter
  • Our most advanced SmartSensor Technology automatically adjusts airflow based on air quality
  • Built in air quality monitor and indicator light
  • Includes Alen's HEPA-Pure Filter
  • SmartSensor Technology automatically adjusts airflow based on air quality
  • Remote control for easy operation (only in A375)
  • Includes Alen's HEPA-Fresh Filter
  • Most popular air purifier among customers
  • #1 rated, best value in its class
  • Includes Alen's HEPA-Fresh Filter
  • Rated best performance tower air purifier on the market
  • Stylish, innovative design
  • Most effortless filter changes
  • Includes Alen's unique HEPA-Silver Filter
  • Includes a NEW Smart Filter Life Timer
  • Sleek, space saving design
  • Covers up to 500 sq. ft. on high
  • Includes Alen's HEPA-Pure Filter
  • Compact and portable design for travel and small spaces
  • Includes Alen's HEPA-Fresh Filter
Maximum Coverage Maximum square footage calculations are based on the air purifier operating on its highest speed with two air exchanges per hour. If placed in a smaller square footage area, the air purifier will clean the air faster.
1100 sq. ft. 650 sq. ft. 750 sq. ft. 500 sq. ft. 500 sq. ft. 125 sq. ft.
Recommended Coverage for Severe Allergies
550 sq. ft. 325 sq. ft. 375 sq. ft. 250 sq. ft. 250 sq. ft. 62 sq. ft.
Concerns Addressed with Standard Filter
Allergies
Asthma
Dust
Pet Dander
Smoke Particles

Allergies
Asthma
Dust
Pet Dander
Smoke Particles
Light Odor
Light Chemicals
Allergies
Asthma
Dust
Pet Dander
Smoke Particles
Light Odor
Light Chemicals

Allergies
Asthma
Dust
Pet Dander
Smoke Particles
Mold and Bacteria

Allergies
Asthma
Dust
Pet Dander
Smoke Particles
Allergies
Dust
Pet Dander
Smoke Particles
Concerns Addressed with other Filter Options
Mold and Bacteria
Smoke Odor
Pet Odor
Chemicals and VOCs
Mold and Bacteria
Smoke Odor
Pet Odor
Mold and Bacteria
Smoke Odor
Pet Odor
Smoke Odor
Pet Odor
Mold and Bacteria
Smoke Odor
Pet Odor
Mold and Bacteria
Smoke Odor
Pet Odor
Percentage of Particles Removed
99% 98% 98% 99% 95% 87%

Features

SmartSensor Technology
       
WhisperMax Technology
       
Energy Star Certified
   
Allergy Relief GuaranteeDiscover Allergy Relief with FREE Shipping and FREE Returns on our top rated air purifiers for allergies.
 
IonizerThe built-in Ionizer charges particles in the air. This causes the particles to stick together and become larger, making it easier for the filter and cleaners to trap. Alen Ionizers are ozone-safe, certified by the California Air Resources Board.
AutoShip Filter PlanSave time and money with Alen's AutoShip Filter Plan. Get FREE Lifetime Shipping on filters (valued at $15 or more). Your first filter ships immediately. Future filters are auto-billed and shipped FREE, based on your selection of 4, 6, or 8 months. Cancel at any time.
Filter Replacement Indicator Light
 
Timer
 
Remote Control
       

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Technical Specs

Alen BreatheSmart Alen A375 Alen A350 Alen Paralda Alen T500 Alen T100
Fan Speeds
4 + Auto 4 + Auto 4 4 3 3
Size
26.75"H x 17.75"W x 10"D 17.5"H x 18.5"W x 8.2"D 17.5"H x 18.5"W x 8.2"D 28"H x 7"W x 11"D 22"H x 6"W x 10"D 15"H x 6"W x 10"D
WeightAlen HEPA Air Purifiers include FREE shipping.
Unit: 21 lbs.
Shipping: 32 lbs.
Unit: 19 lbs.
Shipping: 22 lbs.
Unit: 16 lbs.
Shipping: 20 lbs.
Unit: 15 lbs.
Shipping: 26 lbs.
Unit: 9 lbs.
Shipping: 12 lbs.
Unit: 8 lbs.
Shipping: 8 lbs.
Fan Speed Noise Level
Speed 1: 41.5 dB (whisper)

Speed 2: 44 dB (light rainfall)

Speed 3: 50 dB (heavy rainfall)

Turbo: 56 dB (box fan on medium)
Speed 1: 38 dB (whisper)

Speed 2: 49 dB (white noise)

Speed 3: 61.5 dB (conversation, background music)

Speed 4: 64.3 dB (box fan on high)
Speed 1: 38 dB (whisper)

Speed 2: 47 dB (white noise)

Speed 3: 61.5 dB (conversation, background music)

Speed 4: 64.5 dB (box fan on high)
Speed 1: 37.5 dB (whisper)

Speed 2: 40.5 dB (soft white noise)

Speed 3: 51 dB (rainfall, quiet conversation)

Speed 4: 60 dB (box fan on medium)
Speed 1: 42 dB (silent)

Speed 2: 47 dB (light rainfall)

Speed 3: 56 dB (box fan on medium)
Speed 1: 42.5 dB (whisper)

Speed 2: 48 dB (white noise)

Speed 3: 53 dB (rainfall, quiet conversation)
Airflow in Cubic Feet per Minute (CFM)
150 CFM on low, 286 CFM on high 33 CFM on low, 178 CFM on high 45 CFM on low, 203 CFM on high 35 CFM on low, 118 CFM on high 130 CFM on high 67.5 CFM on high
Power Consumption
105W on highest speed 104W on highest speed 80W on highest speed 56W on highest speed 53W on highest speed 30W on highest speed
Power Supply
120V 120V 120V 120V 120V 120V

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Filter Replacement Options

Every Alen HEPA Air Purifier includes your first filter. When it comes time to replace the air purifier's filter, choose the same filter or upgrade to a filter option available for your unit.



Alen BreatheSmart Alen A375 Alen A350 Alen Paralda Alen T500 Alen T100
HEPA-Pure Filter | Dust and Allergens
Available   Available Available Available Available
HEPA-Fresh Filter | Allergen and Light Odor
Available Available Available Available Available
HEPA-Silver Filter | Allergen and Light Odor with Antimicrobial Filter Protection
Available Available Available Available Available Available
HEPA-OdorCell Filter | Smoke and Heavy Odor
Available Available Available Available Available Available
HEPA-FreshPlus | Chemicals (VOCs) and Odor
Available
Filter LifeWe recommend running your Alen HEPA Air Purifier 24/7. Normal use is defined as running the air purifier on a Level 2 (medium) setting for 24 hours a day, 7 days a week in an indoor setting with normal levels of airborne contaminants.
6-9 months for severe concerns or running 24/7

12-18 months for light concerns or running as needed
6 months for severe concerns or running 24/7

12 months for light concerns or running as needed
6 months for severe concerns or running 24/7

12 months for light concerns or running as needed
6 months for severe concerns or running 24/7

12 months for light concerns or running as needed
6 months for severe concerns or running 24/7

12 months for light concerns or running as needed
6 months for severe concerns or running 24/7

12 months for light concerns or running as needed

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