Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | IQAir - HealthPro Plus | Levoit - Core 300S |
|---|---|---|
| Coverage | 85 m² | 20 m² |
| CADR | 470 m³/h | 230 m³/h |
| True HEPA H13+ | true | false |
| Min noise | 25 dB | 24 dB |
Between the HealthPro Plus and Core 300S, the HealthPro Plus comes out ahead in coverage / cadr, while the Core 300S wins on min noise. Overall, the HealthPro Plus scores 83.6 and the Core 300S scores 55.8 on our Mars Score.
Which should you buy?
The HealthPro Plus is the clear pick on raw spec strength, leading by 27.8 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 HealthPro Plus if you care most about coverage / cadr. The biggest gaps in its favor are coverage, cadr, true hepa h13+. The single most decisive one: Coverage — 325.00% more. 85 m² vs 20 m².
Pick the Core 300S if you care most about min noise. Its strongest claims are min noise. The single most decisive one: Min noise — 1.00 dB less. 24 vs 25.
Both ship with comparable activated carbon, so those specs do not 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.
Which should you buy: IQAir - HealthPro Plus or Levoit - Core 300S?
IQAir - HealthPro Plus leads the current Mars Score by 27.8 points.The more useful decision is the trade-off behind that result: compare cadr, coverage, true hepa h13+, min noise against the way you will actually use the product.
Choose IQAir - HealthPro Plus if…
IQAir - HealthPro Plus has the measurable edge on coverage m2, cadr m3h, has hepa 13.
Choose Levoit - Core 300S if…
Levoit - Core 300S has the measurable edge on noise db min.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why IQAir - HealthPro Plus wins
- ▲Coverage — 325.00% more. 85 m² vs 20 m².
- ▲CADR — 104.35% more. 470 m³/h vs 230 m³/h.
- ▲Has True HEPA H13+.
Why Levoit - Core 300S wins
- ▲Min noise — 1.00 dB less. 24 vs 25.
Spec comparison
Performance
| Spec | IQAir - HealthPro Plus | Levoit - Core 300S |
|---|---|---|
| CADR | 470 m³/hlead | 230 m³/h |
| Coverage | 85 m²lead | 20 m² |
| True HEPA H13+ | truelead | false |
| Activated carbon | true | true |
Smart & Noise
| Spec | IQAir - HealthPro Plus | Levoit - Core 300S |
|---|---|---|
| Min noise | 25 dB | 24 dBlead |
| Air quality sensor | false | truelead |
| Smart app | false | truelead |