Our Verdict
Coway 250 Wins
Offers superior purification with 248 CADR smoke and 387.5 sq ft coverage, vastly exceeding Dyson's 73 sq ft. Choose Dyson HP10 for small rooms needing integrated heating, cooling, and basic air purification.
Spec Comparison
6 specs compared
| Specification |  |  |
|---|---|---|
| Price | $315 | $362 |
| Rating | 4.4(7.8k) | 4.5(917) |
| Cadr Smoke | 248 | — |
| Coverage Sq Ft | 387.5 | 73 |
| Noise Level db Min | — | — |
| Filter Type | True HEPA | — |
| Smart Sensor | Yes | — |
| Filter Cost Yearly | — | — |
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Pros & Cons
Quick overview of strengths and weaknesses
Coway Air Purifiers
- Covers 387 sq ft for 5 air changes per hour.
- Removes 99.999% of 0.01-micron particles.
- Reduces 99% of volatile organic compounds.
- Automatically adjusts fan speed to air quality.
- Requires periodic replacement of internal filters.
- Advertised coverage exceeds typical 5 ACH standard.
Frequently Asked Questions
Common questions about this comparison
Which air purifier is better for large rooms?
The Coway 250 is ideal for large rooms, covering up to 387.5 sq ft effectively. The Dyson HP10 is designed for much smaller spaces, purifying only 73 sq ft, making it less suitable for larger areas.
What's the main difference in air cleaning power?
The Coway 250 has a strong smoke CADR of 248 and removes 99.999% of 0.01-micron particles. The Dyson HP10's specific CADR is not provided, and its lower coverage suggests less robust purification for equivalent space.
Which product offers more versatile functionalities?
The Dyson HP10 is more versatile, combining air purification with heating and cooling functions, plus 350° oscillation. The Coway 250 focuses solely on advanced air purification with smart sensing and high capacity.
Does the Coway 250 have smart features?
Yes, the Coway 250 includes a smart sensor that automatically adjusts the fan speed based on detected air quality, optimizing purification. It also has rapid mode and a timer.
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