Between the HPA300 and HealthPro Plus, the HPA300 comes out ahead in cadr, while the HealthPro Plus wins on coverage and min noise. Overall, the HPA300 scores 65 and the HealthPro Plus scores 77.7 on our Mars Score.
Which should you buy?
The HealthPro Plus is the clear pick on raw spec strength, leading by 12.7 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the HPA300 if you care most about cadr. The biggest gaps in its favor are cadr.
Pick the HealthPro Plus if you care most about coverage and min noise. Its strongest claims are coverage, min noise.
Both ship with comparable true hepa h13+, activated carbon, so those specs don't separate the two — focus on the differences below.
Bottom line: the HealthPro Plus is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Honeywell - HPA300 wins
- ▲CADR — 8.51% more. 510 m³/h vs 470 m³/h.
Why IQAir - HealthPro Plus wins
- ▲Coverage — 93.18% more. 85 m² vs 44 m².
- ▲Min noise — 7.00 dB less. 25 vs 32.
Spec comparison
Performance
| Spec | Honeywell - HPA300 | IQAir - HealthPro Plus |
|---|---|---|
| CADR | 510 m³/hlead | 470 m³/h |
| Coverage | 44 m² | 85 m²lead |
| True HEPA H13+ | true | true |
| Activated carbon | true | true |
Smart & Noise
| Spec | Honeywell - HPA300 | IQAir - HealthPro Plus |
|---|---|---|
| Min noise | 32 dB | 25 dBlead |
| Air quality sensor | false | false |
| Smart app | false | false |
Frequently asked
Spec-level deep dives
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