Our Verdict
Coway 400(G) Wins
It offers superior air purification with 416 CADR and 650 sq ft coverage, compared to Dyson's 73 sq ft. Choose Dyson if heating and cooling functionality are essential alongside purification.
Spec Comparison
8 specs compared
| Specification |  |  |
|---|---|---|
| Price | $536 | $618 |
| Rating | 4.4(6.5k) | 4.5(917) |
| Cadr Smoke | 416 | — |
| Coverage Sq Ft | 650 | 73 |
| Noise Level db Min | 22 dB | — |
| Weight | 3.05 lbs | — |
| Energy Star | Yes | — |
| 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
- Removes 99.999% of 0.01-micron particles.
- Covers 780 sq ft with 4 air changes per hour.
- Smart Mode adjusts fan speed based on air quality.
- Eco Mode shuts off fan when air is clean.
- Stated 3,120 sq ft coverage misleading for 4 ACH.
- True HEPA filters require periodic replacement.
- No remote control listed in features.
Frequently Asked Questions
Common questions about this comparison
Which is better for large rooms?
The Coway 400(G) is significantly better for large rooms, offering a coverage of 650 sq ft. In contrast, the Dyson HP07 is specified for only 73 sq ft, making it suitable for much smaller areas.
What's the main difference in air purification power?
The Coway 400(G) has a CADR for smoke of 416, indicating strong purification for large spaces. The Dyson HP07 does not provide a CADR rating in its specifications, making a direct performance comparison difficult.
Which offers a quieter operation?
The Coway 400(G) specifies a minimum noise level of 22 dB, which is very quiet. The Dyson HP07 does not list its noise level in the provided specifications, so a direct comparison is not possible.
Does either unit offer smart features?
The Coway 400(G) includes a smart sensor, Smart Mode to adjust fan speed, and Eco Mode. The Dyson HP07's specifications do not list any smart features or modes.
When should I choose the Dyson instead of the Coway?
You should choose the Dyson HP07 if you need an air purifier that also functions as a heater and fan, despite its smaller coverage. The Coway 400(G) is a dedicated air purifier.
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