
BreatheSmart 35i
AlenReleased Oct 2025
Large-room air purifier with premium build, quiet operation, and detailed air quality monitoring. The Alen BreatheSmart 35i scores 63/100 based on 4 professional critic reviews in the air purifiers category. Coverage includes reviews from Airpurifiers, Livescience, Homefitouts, and Consumerreports.
Critic Score
Low confidence · only 4 reviews
Where to buy
Pros
No pros extracted yet
Cons
- Expensive filters(2)
- Large footprint(2)
4 Critic Reviews
The Alen BreatheSmart 35i delivers on its promise as a premium mid-to-large room purifier, quietly handling allergens, dust, and odors in spaces up to 1,000 sq. ft.
The Alen BreatheSmart 35i easily lives up to its name, offering superb air-cleaning performance and some of the best smart features on the market.
The Alen BreatheSmart 45i is an excellent air purifier that delivers on its promises, being genuinely quieter than competitors, built to last, and effectively cleaning the air, though it's not twice a...
The Alen BreatheSmart 35i Fresh (500sqft) + White is part of the Air Purifiers test program at Consumer Reports.


