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BreatheSmart 75i True HEPA Air Purifier Ultra Quiet for Allergens and Bacteria, Large Rooms

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  • Catches 99.99% of dust, viruses, and bacteria silently
  • Filters air in huge rooms of about 1,300 sq. ft. every 30 minutes
  • Switches modes automatically with smart sensor technology
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Product Overview

Alen BreatheSmart 75i large room air purifier offers advanced air purification technology, is designed with ingenuity and available with a True HEPA H13 air filter that captures 99.99% of dust, allergens, aerosolized viruses, chemical and pollutant particles to 0.1 microns. Essential for purifying the air in a large living space, 75i cleans up to 1300. 2-times an-hour. Built with a powerful motor, yet it's extremely quiet as it'd fan has been finely tuned to operate at library-quiet levels. With modern style lines and neutral color options, 75i can blend seamlessly into the room decor. Equipped with the B7-Pure AM True HEPA (H13) air filter for powerful filtration of allergens, pollen, dust, mold, bacteria, fur and more. Take advantage of Alen's limited lifetime warranty, start breathing better today with Alen Breathe Smart 75i.
  • Quiet and powerful: the perfect large room purifier, cleans 1,300 sq. ft. every 30-minutes 2X quieter than industry average
  • Medical grade air filter: true HEPA H13 filter captures 99.99% of dust, pollen, bacteria, aerosolized viruses, and airborne particles larger than 0.1 micron, includes a vacuumable filter pre-filter screen to increase the HEPA filter life
  • Laser smart sensor: advanced sensor technology displays your air quality in 5 easy-to-read colors and self-adjusts speeds in auto-mode to keep the indoor environment healthy and fresh
  • ENERGY STAR efficiency: operate 24/7 - 365-days, the BreatheSmart 75i is ENERGY STAR certified, using just 45-Watt of power on its highest setting (that's less than a lightbulb)
  • Guaranteed forever: Alen's industry-exclusive forever guarantee offers lifetime peace of mind
  • Alen Air application- wireless connectivity for remote control, air quality history, and more.
  • Click here for more information on Electronic Recycling Programs

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BreatheSmart 75i True HEPA Air Purifier Ultra Quiet for Allergens and Bacteria, Large Rooms
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Maximum coverage area (sq. ft.)1560130013001300
Air Purifier TypeWhole HouseTowerTowerTower
Primary Filter TypeHEPA - TrueHEPA - TrueHEPA - TrueHEPA - True
CADR (Clean Air Delivery Rate)DUST 350/ SMOKE 350/ POLLEN 400347 CFM347 CFM347 CFM
Package SizeIndividualIndividualIndividualIndividual
Air Purifier FeaturesNoneNoneNoneNone
Number of Fan SpeedsVariableVariableVariableVariable
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Maximum coverage area (sq. ft.)1300Product Depth (in.)11.5 in
Product Height (in.)27 inProduct Width (in.)18.5 in


Air Purifier FeaturesNoneAir Purifier TypeTower
Air Treatment Product TypeAir PurifierAppliance CategoryAir Purifiers
Automatic shutoffYesCADR (Clean Air Delivery Rate)347 CFM
ColorWhiteColor FamilyWhites
Commercial/ResidentialCommercial,ResidentialControl TypeTouch
Effectiveness (%)99.99ElectrostaticYes
Filter/bulb monitorYesFiltered or FilterlessFiltered
HEPA FilterYesIonizationYes
Number of Air Filters Included1Number of Air Purifers (Per Pack)1
Number of cleaning stages2Number of Fan SpeedsVariable
Pack Size1Package SizeIndividual
PortableYesPrimary Filter TypeHEPA - True
Product Weight (lb.)27 lbRemote ControlNo
Removes bacteriaYesRemoves dustYes
Removes moldYesRemoves odorsYes
Removes particulatesYesRemoves pollenYes
Removes virusesYesReturnable90-Day
TimerYesUVC lampNo
Voltage (volts)120Wall MountableNo

Warranty / Certifications

Certifications and ListingsCARB Compliant,ETL Listed,cETLusManufacturer WarrantyLimited Lifetime

Questions & Answers

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Customer Reviews

  • 4.9
    out of 1,061 reviews
  • 80%recommend this product
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Showing 1-10 of 1,061 reviews
Alen BreatheSmart 75i review by Joe & Brunie
Using in the bedroom which windows face southwest, and room gets the most contruction dust etc. from outside. Fits fine. Easy to operate, not using ionizer due to asthma, leave fan on automatic. Little impact on electric bill, 45 watts. Cleans air excellent, very quiet, on 24 hrs. High score on consumer reports. Will buy a second one for large living room.
    Very pleased with purchase
    The 75i went right to work cleaning up the air in my open concept living/dining area. Now I run it continuously on the auto mode. It’s super quiet. Occasionally it shows a green ring and runs a few minutes till the ring turns blue then continues on lowest setting. We have noticed a huge difference in the air quality, we blow our nose far less with the 75i in the house. No regrets at all.
      Alen BreatheSmart 75i - A great find!
      The system stays on for a period up to 12 hours on. The auto feature can be utilized to keep the system running continuously. The machine is very effective in keeping the air in the room with a clean smell..
        Great product
        Everything went smoothly. The online ordering was easy to navigate, with no surprises. The order shipped quickly and arrived before I thought it would. It was securely packed. Setup was a breeze. It is very quiet. I plan to let it run 24-7. The design blends well. Overall, the whole experience has been first class.
          Purchased 5 units for our
          Purchased 5 units for our hands-on science center that is in a building where we don't have control over the air handling system. The Alen units have been a wonderful way to purify the air for our visitors and increase their confidence to return to regular trips with their children. The units run extremely quietly, and we especially appreciate the display that shows the air quality in a colored ring. The locking feature is important in our public space.
            I LOVE the Alen BreatheSmart
            I LOVE the Alen BreatheSmart 75i. I own 3 of them! I also own 3 older units. I love the design and the expanded air quality register on the 75i. Great machine!!!!
              Superb Machines
              Top-notch product - effective, efficient, quiet and attractively styled. I have now purchased 4 Alen air purifiers over the past two months (2 BreatheSmart Flex, 1 BreatheSmart Classic, 1 BreatheSmart 75i). The units have truly transformed the air quality in my home. Very convenient to simply clean the pre-filter with vacuum attachments. I have a number of pieces of dark wood furniture throughout my home, and the reduction in visible dust since I have employed these units is truly remarkable.
                Great Filter
                I was perhaps a bit shocked how physically BIG this unit is but it's stylish and I no longer notice it. What I do notice is CLEAN AIR. We have a lot of allergy problems in my household and the Alen BreathSmart 75i seems to be doing an excellent job of removing particles, odors and pet dander from the house. You can actually watch it work. The status light tells you the quality of the air. When somebody goes in or out of the house or something fragrant is cooking, the status typically changes to lower quality and the "auto" setting kicks the fan up higher. If it isn't working fast enough for you, you can manually turn the fan up to high speed and the air is typically clean in minutes. And it's QUIET. We don't even notice it, most of the time.
                  Ultimate Style Barbershop. Ultimate purifier!
                  Very satisfied with this product so far. It was easy to install, quite and seems to be effective. I’m using it in my place of business and It’s really a noticeable improvement in air quality. I’m using the Alen BreatheSmart 75i with B7 fresh filter. The purifier fits nicely into the space I had planned for it in my business. I went with the white version to compliment the white walls in my business.
                    Breath of fresh air! Excellent
                    Very well made and yes it’s quiet, sensitive to minute air changes, it’s really effective. This is my first air purifier but I did a lot of research and this unit does not disappoint! Yes it’s a bit more then some but average the use and quality performance over the long term it’s worth more. That said the controls are super easy to use, I just leave it on auto mode and it knows what to do. My space is mostly a large open area so this is ideal. I’m a happy satisfied customer!
                      Showing 1-10 of 1,061 reviews