#1
Alen
BreatheSmart 45i
50 positive 0 neutral 4 negative
Based on 54 Reddit mentions
$449.00
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Most discussed features
Sentiment summary across the product areas Reddit users mention most.
Reddit mentions
Original Reddit posts and comments behind this analysis.
Just tell me what air purifier to buy!
Alen 75i or 45i Levoit is terrible Coway and Winix are good.
ConBroMitch2247 in r/AirPurifiers
August 16, 2025 6:32 PM
3
Has anyone purchased and tested the IQ Air Atem Earth?
After trying a number of purifiers..I settled on the Alen 75i. It was the only one that was not annoyingly loud on high speed. I ended up with 2..I got the version 2 for the Version 1 price and I can run both on turbo and they are very quiet. And love that even on speed 3 and 4 I get 255-300 cfm. At
...FairManner1292 in r/AirPurifiers
March 29, 2026 6:44 PM
1
Has anyone purchased and tested the IQ Air Atem Earth?
I tried the Coway 400 which has 51 Db(a) and it was CRAZY loud. Immediately packed it up and returned it that same day. So I ended up getting another ProX since I know I love everything about it (you are right about the wheels not rolling on carpet, though). I wanted to try the alen 75i, but after t
...HeadShock1 in r/AirPurifiers
March 29, 2026 6:57 PM
1
ALEN Air purifier, filter replacement.
I have bought 3 different models of Alen. Other than some short term off gassing on 75i that seemed to be the packaging only, the only filter that had odor was the 45 i which are made with different prefilter and foam used to seal vs rubber. I'm very sensitive. Couldn't use for a few days until the
...FairManner1292 in r/AirPurifiers
March 23, 2026 2:33 PM
1
