Alen BreatheSmart 35i
Air Purifiers

BreatheSmart 35i

Alen

Released Sep 30, 2025 · Analysis updated Feb 13, 2026

Large-room air purifier with premium build, quiet operation, and detailed air quality monitoring. The Alen BreatheSmart 35i scores 84/100 based on 3 expert reviews in the air purifiers category. Coverage includes reviews from Airpurifiers, Livescience, and Homefitouts.

Critic Score

What's this?
84

based on 3 expert reviews

AirpurifiersLivescienceHomefitouts

Low confidence · only 3 reviews

Where to buy

amazon$284.00

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Pros

No pros extracted yet

Cons

  • Expensive filters(2)
  • Large footprint(2)

3 Expert Reviews

88
Dec 3, 2025

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.

85
Oct 1, 2025

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.

80
Nov 3, 2025

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...