Blueair - Blue Pure 311i+ Max vs Dyson - Purifier Hot+Cool HP10
Between the Blue Pure 311i+ Max and Purifier Hot+Cool HP10, the Blue Pure 311i+ Max comes out ahead in cadr / min noise, while the Purifier Hot+Cool HP10 wins on coverage. Overall, the Blue Pure 311i+ Max scores 61.3 and the Purifier Hot+Cool HP10 scores 58.4 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (61.3 vs 58.4). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Blue Pure 311i+ Max if you care most about cadr / min noise. The biggest gaps in its favor are cadr, min noise.
Pick the Purifier Hot+Cool HP10 if you care most about coverage. Its strongest claims are coverage.
Both ship with comparable true hepa h13+, activated carbon, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Why Blueair - Blue Pure 311i+ Max wins
- ▲CADR — 66.67% more. 500 m³/h vs 300 m³/h.
- ▲Min noise — 7.00 dB less. 23 vs 30.
Why Dyson - Purifier Hot+Cool HP10 wins
- ▲Coverage — 42.86% more. 50 m² vs 35 m².
Spec comparison
Performance
| Spec | Blueair - Blue Pure 311i+ Max | Dyson - Purifier Hot+Cool HP10 |
|---|---|---|
| CADR | 500 m³/hlead | 300 m³/h |
| Coverage | 35 m² | 50 m²lead |
| True HEPA H13+ | true | true |
| Activated carbon | true | true |
Smart & Noise
| Spec | Blueair - Blue Pure 311i+ Max | Dyson - Purifier Hot+Cool HP10 |
|---|---|---|
| Min noise | 23 dBlead | 30 dB |
| Air quality sensor | true | true |
| Smart app | true | true |
Spec-level deep dives
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