Our Verdict
Alen BreatheSmart 45i Wins
With a CADR of 1216 for smoke and 1900 sq ft coverage, it's a dedicated air purifier. Choose Blueair if you need an automatic cat litter box, as its specs describe pet waste management, not air purification.
Spec Comparison
13 specs compared
| Specification |  |  |
|---|---|---|
| Price | $464 | $349 |
| Rating | 4.4(60) | 4.5(12.5k) |
| Cadr Smoke | 1216 | — |
| Coverage Sq Ft | 1900 | — |
| Filter Type | HEPA | — |
| Model Number | 45i_V2 | BLU-110175 |
| Smart Sensor | Yes | — |
| Weight | — | 24 lbs |
| Sensor Type | — | OmniSense |
| WiFi | — | Yes |
| Dimensions | — | 22" × 30" × 27" |
| Max Pet Weight | — | 25 lbs |
| App Subscription | — | Free |
| Cleaning Cycle | — | 7 min |
| Waste Capacity | — | 5.5L |
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Pros & Cons
Quick overview of strengths and weaknesses
Alen Air Purifier
- Covers up to 1900 sq ft hourly
- Captures particles down to 0.1 micron
- Filters VOCs, odors, chemicals
- Quiet operation promotes sleep
- Limited absorption for heavy odors/chemicals
- Requires periodic filter replacement
BLUEAIR Air Purifiers
- Auto-cleans after each use
- WiFi app monitoring
- Fits cats up to 25 lbs
- Low noise operation
- Large footprint
- High upfront cost
- Requires specific litter
Frequently Asked Questions
Common questions about this comparison
Which product offers superior air purification capabilities?
The Alen BreatheSmart 45i is explicitly designed for air purification, offering a CADR of 1216 for smoke and filtering VOCs across 1900 sq ft. The Blueair product's provided specifications do not detail comparable air purification metrics.
What is the main difference in coverage area?
The Alen BreatheSmart 45i covers up to 1900 sq ft per hour. The Blueair product is stated to clean 3048 sq ft in one hour, suggesting a larger coverage capacity based on its description.
How do the products compare for pet owners?
The Alen BreatheSmart 45i captures pet dander and odors. The Blueair product's provided specs describe features like "fits cats up to 25 lbs" and "auto-cleans after each use," indicating it functions as an automatic cat litter box.
Can either product help with strong odors like cigarette smoke?
The Alen BreatheSmart 45i features a Fresh Filter + Carbon to capture VOCs and cigarette smoke, with a CADR of 1216. Its carbon absorption might be limited for heavy odors. Blueair's specs do not detail odor removal capabilities for an air purifier.
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