Alen
Recommended 14× on r/BuyItForLife
Shop Alen
BreatheSmart 25i HEPA Air Purifier
The whisper-quiet 25i packs all the power and smart features you need into our most compact size. Perfect for purifying a small living space or amplifying your current purifier set...
BreatheSmart 35i Air Purifier
The Alen BreatheSmart 35i is ideal for bedrooms and other rooms up to 1000 sq. ft. Proven to improve sleep by an independent SleepScore Labs study, the BreatheSmart 35i emits a soo...
BreatheSmart 45i Air Purifier
Incredibly quiet, the 45i emits a soothing pink noise that boosts frequencies in the lower octaves, so you wake up feeling rested. The 45i includes laser sensor technology to auto-...
Air Purifier BreatheSmart Flex HEPA
The Alen BreatheSmart FLEX gives you powerful protection against airborne allergens and unwanted odors. It is customized for the needs of you and your growing family. Alen's custom...
Air Purifier BreatheSmart 75i Hepa w Filter for Large Rooms up to 2600 Sq. Ft
The New Generation Alen BreatheSmart 75i: Ultimate Air Purification for Large Spaces Designed to tackle serious air quality concerns, the BreatheSmart 75i combines powerful perform...
Smart Bundle Air Purifier
Alen’s 5 Bedroom Home Smart Bundle makes breathing purified air in every room of your home achievable with our smart, powerful, and inter-connected ecosystem of Alen 75i and 35i pu...
Air Purifier BreatheSmart 75i Hepa
The New Generation Alen BreatheSmart 75i: Ultimate Air Purification for Large Spaces Designed to tackle serious air quality concerns, the BreatheSmart 75i combines powerful perform...
BreatheSmart 45i Air Purifier
The Alen BreatheSmart 45i is ideal for bedrooms and other rooms up to 800 sq. ft. Proven to improve sleep by and independent SleepScore Labs study, the BreatheSmart 45i emits a soo...
Air Purifier BreatheSmart 45i HEPA Filter
HEPA Pure Filter: Eliminates 99.9% of allergens and pollutants as small as 0.1 micron so you can breathe easy. Ideal for allergy, asthma, and virus concerns. Proven by SleepScore L...
Air Purifier BreatheSmart 25i Hepa Filter 800 Sq. Ft. Perfect for Home and Kitchen
The whisper-quiet 25i packs all the power and smart features you need into our most compact size. Perfect for purifying a small living space or amplifying your current purifier set...
Why r/BuyItForLife recommends Alen
14 mentions from real owners
- #1Dec 30, 2025
Best Air purifier to reasonable price? for Smoke and garbage smell
Ozone is a legit option. But as mentioned you can’t be in the same space while it’s working. Short of that - you want a purifier with a LOT of carbon in the filter. Alen has a VOC filter with just that. I could check them out.
View on Redditopen_in_new - #2Nov 4, 2025
Best HEPA Air Purifier for Home?
Alen BreatheSmart 75i
View on Redditopen_in_new - #3Nov 4, 2025
Best HEPA Air Purifier for Home?
The Quiet Test is Crucial for Bedrooms. Coway and Alen are often praised for having a truly silent "sleep mode,"
View on Redditopen_in_new - #4Nov 3, 2025
The Best Air Purifier for Home now? Have you noticed a huge difference since you started using them?
Alen is really the only BIFL option purely because they offer a lifetime warranty for as long as you buy official Alen filters. Yes it makes a tremendous difference **assuming it’s sized correctly** to your space. You need 4 air changes per hour. Most advertised sqft is for 1 air change per hour.
View on Redditopen_in_new - #5Nov 3, 2025
The Best Air Purifier for Home now? Have you noticed a huge difference since you started using them?
Best air purifier is a whole house air purification system. Besides that you would need an air purifier in each room to be effective. Blueair and Alen are safe bets usually. Consume Reports rate them. Yes the air quality is better with them.
View on Redditopen_in_new - #6Nov 3, 2025
Best HEPA Air Purifier for Home?
I have an Alen 75i (no app) and love it. The filters are a bit pricey, but they last nearly a year for me with two big dogs. There is a screen in front of the filter you can clean off with a broom outside easily. I am allergic to dust and it's been a game changer. I never see dust trails in the sun since getting it.
View on Redditopen_in_new - #7Aug 3, 2025
Thinking about finally getting a "good" air purifier for 2025 – what's ACTUALLY worth it?
my second comment. I have really bad allergies myself. I use an Alen air purifier, it's really quiet on the first two lowest settings. The higher setting is tolerable too. They offer warranty as long as you get air filters from them. But if i had the money i would buy a IQAir! They're a ultra-hepa filter.
View on Redditopen_in_new - #8May 6, 2025
I analyzed Reddit data for the 20 most recommended air purifiers (in the past year)
I LOVE my Alen 75i!!!
View on Redditopen_in_new - #9May 1, 2025
humidifier & air purifier
Humidifier: Evaporative style. Not cool mist or steam. Carepod, venta or aircare are popular Air purifier: Alen 45i or 75i depending on your space needs. They offer a lifetime warranty as long as you buy filters from them or an authorized 3rd party. Or Coway or Winix. Levoit is not well regarded or built very well. **There are combo units - AVOID THESE LIKE THE Plague**
View on Redditopen_in_new - #10Apr 12, 2025
The REAL best air purifier - I HATE DUST!
Alen has been amazing for me. Caveat is the filters are about $100 but they last 6-9 months. More if you buy cover replacements
View on Redditopen_in_new - #11Apr 11, 2025
The REAL best air purifier - I HATE DUST!
I second Alen, they are initially expensive but super well built and have a lifetime guarantee
View on Redditopen_in_new - #12Apr 11, 2025
The REAL best air purifier - I HATE DUST!
Alen. I have 2 different models bought over 7 years ago, one of which runs nearly 24/7 to combat the dander from my German shedder. They both work great. They are expensive and the filters are expensive, but one had a random issue and all we had to do was ship it back to them in the original box and they sent us a brand new one.
View on Redditopen_in_new - #13Feb 7, 2025
What are the Best Air Purifier in 2025?
The problem with most is they're too loud so you run them on a low speed which is pointless, which makes the wuiestest to move meaningful cfm Alen.
View on Redditopen_in_new - #14Jan 9, 2025
The Best Air Purifiers?
I have a couple Alen that I’ve had for 5 years. I got two large and two medium. The large ones run forever before needing a filter but the medium seemed to need filters more frequently. I would buy the 75i again hands down.
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