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 and 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 isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the Blue Pure 311i+ Max if you care most about cadr and 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 don't 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 tells you 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 |
Frequently asked
Spec-level deep dives
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