Alen BreatheSmart 75i
$$$ Flagship$814.00
tldr; Community favorite for whisper-quiet operation and great for pet owners.
$814.00 on AmazonSentiment Breakdown
58%Positive
Positive
58%Neutral
41%Negative
1%Based on 130 Reddit opinions
Strengths & Weaknesses
Each axis shows what % of Reddit comments are positive about that topic. Higher = more praise.
Key Features
- HEPA FRESH FILTER: The Fresh filter uses activated carbon to mitigate household odors, dust. Ideal for cooking smells, home renovations, and urban pollution. Perfect for open living spaces.
- Powerful Air Purification: The Alen BreatheSmart 75i is essential for large spaces up to 2800 sq ft. High-efficiency fan handles toughest contaminants, making it ideal for your home ensuring clean, fresh air throughout your space.
- Engineered to Perform: Alen air purifiers offer superior performance through the combination of a powerful fan, quiet motor, and advanced filtration. Medical-grade filters capture particles as small as 0.1 micron.
- Smart Air Purification: Elevate your home with Alen BreatheSmart 75i. Our SmartSensor adjusts fan speed based on air quality, with color-coded feedback. Purple to blue rings indicate air quality levels from excellent to high particle presence.
- Enhancing Sleep: The BreatheSmart 75i is proven by SleepScore Labs to enhance sleep according to a peer study. Its ultra-quiet operation emits pink noise, optimizing lower octave frequencies, and ensuring a restful night.
- 🔇 Praised for whisper-quiet operation
- 🐾 Popular among pet owners
- 💨 Effective at eliminating odors
Sentiment Over Time
Historical Price Data
Alen BreatheSmart 75i
Alen BreatheSmart 75i
All-time low: $569.8(2025-11)
What Redditors Actually Say
What Redditors Say
Best praise vs top criticism for Alen BreatheSmart 75i
Best Praise
+5 pts“Alen 75i with the VOC filter. Lots of carbon in there to help with the odors you mentioned. Yes there are others with even more carbon but the price starts to go through the roof.”
r/AirPurifiers
ViewTop Criticism
+1 pts“Hi! Did you ever resolve this? We have this issue with a 75i and I’m just asking for a new one at this point…for the price it should work longer than 2 months.”
r/AirPurifiers
View9 more quotes available below
Related Products
Frequently Asked Questions
Is the Alen BreatheSmart 75i worth buying?
Community favorite for whisper-quiet operation and great for pet owners.
What do Redditors love about the Alen BreatheSmart 75i?
Redditors highlight: 🔇 Praised for whisper-quiet operation. 🐾 Popular among pet owners. 💨 Effective at eliminating odors.
What are the downsides of the Alen BreatheSmart 75i?
Some criticisms include: "Hi! Did you ever resolve this? We have this issue with a 75i and I’m just asking for a new one at this point…for the price it should work longer than 2 months."
How accurate are these ratings?
Our sentiment analysis is approximately 80-85% accurate compared to manual review. Products with more mentions (Alen BreatheSmart 75i has 130) tend to have more reliable scores.
130 Reddit opinions analyzed • Last updated 4/16/2026