Our Verdict
Alen BreatheSmart 45i Wins
It provides superior air purification, boasting a 1216 CADR for smoke and 1900 sq ft coverage. Choose Dyson for its smart features and quiet operation, but be aware its air purification performance specs are not provided.
Spec Comparison
13 specs compared
| Specification |  |  |
|---|---|---|
| Price | $464 | $499 |
| Rating | 4.4(60) | 4.2(615) |
| Cadr Smoke | 1216 | — |
| Coverage Sq Ft | 1900 | — |
| Filter Type | HEPA | — |
| Model Number | 45i_V2 | TP09 |
| 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
Dyson Purifier Cool
- 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 purifier is better for comprehensive air cleaning?
The Alen BreatheSmart 45i explicitly states it captures particles down to 0.1 micron, filters VOCs, odors, and chemicals, and has a 1216 CADR for smoke. The Dyson lacks these specific air purification performance metrics in the provided data.
How do their coverage areas compare?
The Alen BreatheSmart 45i effectively covers large rooms up to 1900 sq ft hourly. For the Dyson Purifier Cool Formaldehyde TP09, specific air purification coverage area details are not provided in its specifications.
What smart features do they offer?
The Alen 45i includes a smart sensor that automatically adjusts fan speed based on air quality. The Dyson TP09 features WiFi app monitoring, allowing remote control and tracking from a mobile device.
How do they handle odors and chemicals?
Alen filters VOCs, odors, and chemicals with its Fresh Filter + Carbon, though it has limited absorption for heavy issues. Dyson's specific odor/chemical filtration beyond formaldehyde is not detailed in the provided information.
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