Between the Purifier Cool TP10 and HPA300, the Purifier Cool TP10 comes out ahead in coverage, while the HPA300 wins on cadr. Overall, the Purifier Cool TP10 scores 64.2 and the HPA300 scores 65 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (64.2 vs 65). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the Purifier Cool TP10 if you care most about coverage. The biggest gaps in its favor are coverage.
Pick the HPA300 if you care most about cadr. Its strongest claims are cadr.
Both ship with comparable true hepa h13+, activated carbon, min noise, 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 Dyson - Purifier Cool TP10 wins
- ▲Coverage — 36.36% more. 60 m² vs 44 m².
Why Honeywell - HPA300 wins
- ▲CADR — 45.71% more. 510 m³/h vs 350 m³/h.
Spec comparison
Performance
| Spec | Dyson - Purifier Cool TP10 | Honeywell - HPA300 |
|---|---|---|
| CADR | 350 m³/h | 510 m³/hlead |
| Coverage | 60 m²lead | 44 m² |
| True HEPA H13+ | true | true |
| Activated carbon | true | true |
Smart & Noise
| Spec | Dyson - Purifier Cool TP10 | Honeywell - HPA300 |
|---|---|---|
| Min noise | 32 dB | 32 dB |
| Air quality sensor | truelead | false |
| Smart app | truelead | false |
Spec-level deep dives
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