BreatheSmart 45i 800 Sq. Ft. Air Purifier with Fresh HEPA Filter for Allergens, Dust, Odors & Smoke

4.9 (1,358)
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Product details

Web ID: 16664862

Incredibly quiet, the 45i emits a soothing noise that boosts frequencies in the lower octaves, so you wake up feeling rested. The 45i includes laser sensor technology to auto-adjust fan speed and color-coded air quality rings show you how Alen is working to remove harmful particles as soon as they're stirred up. Connect the 45i to the Alen app to see air quality metrics 24/7 and control your unit remotely. Proven to improve sleep according to a peer-reviewed study by SleepScore Labs. Cleans up to 800 sq. ft. every 30 minutes. Wi-Fi enabled to monitor air quality and control from your smartphone. Auto-adjusts fan speeds based on air quality conditions.H13 HEPA filter removes 99.9% of dust, allergens, and harmful pollutants down to 0.1 micron.

  • Product Features

    • Alen BreatheSmart 45i sleek, space-saving air purifier w Fresh, True HEPA (H13) filter. Quietly cleans 800 SqFt every 30 min. SleepScore Labs - reducing allergies, capturing 99.9% of allergens, dust, pollen, dander.
    • IMPROVED SLEEP: The BreatheSmart 45 is proven to improve sleep according to a peer-reviewed study by SleepScore Labs. Incredibly quiet, the 45i emits a soothing pink noise that boosts frequencies in the lower octaves, so you wake up feeling rested.
    • ROOM SIZE: The BreatheSmart 45i quietly and efficiently circulates the air in rooms up to 800 sq. ft. every 30 minutes. Perfect for primary bedrooms and other large bedrooms.
    • ENGINEERED TO PERFORM: Alen air purifiers excel with powerful yet quiet fans, advanced filtration (H13 filters capturing 0.1-micron particles like dust, pollen, germs), and energy efficiency, costing just $0.12/day for 24/7 operation.
    • WIFI ENABLED: Connect the BreatheSmart 45i to the Alen Air app to view real time air quality and see historical trends. You can also control your purifiers remotely, set air quality notifications, and get reminders when it s time to replace your filter.
    • Plastic/Metal/Rubber/Other
    • Wipe clean
    • Imported
    • Request warranty information

  • Shipping & Returns

    • This item qualifies for Free Shipping with minimum purchase! exclusions & details
    • Our Normal Gift Boxing is not available for this item.
    • This item may not be shipped to Hawaii, Armed Forces Europe, Federated States of Micronesia, Puerto Rico, Armed Forces Pacific, Guam, U.S. Virgin Islands, Northern Mariana, Alaska, Marshall Islands, Armed Forces Americas, American Samoa, Palau and the Philippine Islands.
    • Returns must be mailed back to seller within 30 days of purchase. Exclusions may apply.
    • This item may not be shipped to Alaska, American Samoa, Guam, Hawaii, Marshall Islands, U.S. Virgin Islands, Puerto Rico, Palau, or the Pacific Islands.
    • California and Minnesota customers call 1-800-289-6229 for Free Shipping information.
    • For complete details, see our Shipping and Returns policies.

Ratings & Reviews

4.9/5

1,358 star ratings & reviews

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19 days ago

Great air quality east to use and quiet

Amazing! My apartment has poor air filtration from the HVAC but as soon as I starting using my 45i air purifier my breathing quality went up a lot.

Customer review from alencorp.com

1 month ago

One Happy Customer!

I am so glad I stumbled on the Alen BreathSmart 45i purifier! There is a noticeable difference in my home and I love that it is quiet, I can adjust lighting and my air is being cleaned! Easy to set up, and the appearance just blends in with my decor.

Customer review from alencorp.com

1 month ago

Great machine!

I bought this as a replacement purifier for my sewing room. I am so satisfied with the purchase and how the dust bunnies have almost gone away!

Customer review from alencorp.com

2 months ago

LOVE!!!

Bought 3, one pure (oak) for office, one Voc for kitchen/great room, and one upgraded filter for bedroom. It is so quiet, easy to use, great quality, easy to change air filter. Our ecobee says our air is clean now!! Really love this purchase. Hubby is breathing better ( allergic to anything green)- and I’m confident my asthma will do much better this fire season. Wish I had found and bought years ago. Found via consumer reports!

Customer review from alencorp.com

5 months ago

A Sleek and Efficient Home Essential

I’ve been using the Alen BreatheSmart 45i for about a month now, and I have to say—it’s an absolute game-changer when it comes to air purification. From its sleek and refined design to its impressive performance, this purifier checks all the right boxes for me. Design & Customization One of the standout features of the Alen BreatheSmart 45i is its aesthetic appeal. Unlike bulky, industrial-looking air purifiers, this one is designed to fit seamlessly into any home decor. What I love even more is the interchangeable panel design, allowing you to choose a finish that complements your space. Whether you want a modern or classic look, Alen gives you options. Performance & Efficiency This purifier isn’t just about looks—it delivers powerful air-cleaning performance. It can clean up to 1,600 square feet of air per hour, which is incredible for maintaining a fresh and healthy home environment. Despite its efficiency, it operates quietly, making it perfect for bedrooms, living areas, or even home offices without being disruptive. Smart Features & App Integration Another feature I love is the smart app control. The app is user-friendly and highly efficient, allowing me to control the purifier remotely—a fantastic option when I’m away from home but still want to maintain air quality. Having the ability to adjust settings, monitor air quality, and turn the unit on or off from anywhere adds a whole new level of convenience. Final Thoughts The Alen BreatheSmart 45i is an air purifier that not only performs exceptionally well but also blends beautifully into any home. It’s powerful, whisper-quiet, and smartly designed, making it a fantastic investment for anyone looking to improve their indoor air quality. If you want style, efficiency, and smart features all in one, this is definitely worth considering!

  • Photo from Nikeland C.
  • Photo from Nikeland C.
  • Photo from Nikeland C.
  • Photo from Nikeland C.
  • Photo from Nikeland C.

Customer review from alencorp.com

5 months ago

Wow, look at all of that dust.

Quiet and very efficient. It was shocking to see how much dust it collected.

Customer review from alencorp.com

8 months ago

I see it working

Love my Alen purifyiers. The ring helps me to know when they are picking up something in the air and then it clears it and the color changes again. It is comforting. Only disappointment is that mine cannot be upgraded to the new versions that are reading voc’s, since this was the main reason for the 45i. And I have an older 75i that I guess is now outdated unfortunately l

Customer review from alencorp.com

8 months ago

45i

It.does.better.than.my.dyson.and.i.love.the.lifetime.replacement

Customer review from alencorp.com