Levoit Core 300S vs Coway AP-1512HH Mighty
The Levoit Core 300S and Coway AP-1512HH Mighty are two of the most recommended compact air purifiers in 2026 — but they serve very different needs. The Core 300S is a bedroom-sized smart purifier with app control and a whisper-quiet sleep mode. The Coway Mighty is a proven workhorse with higher CADR, wider coverage, and a 3-year warranty, but no app support. Here's the full comparison.
Full Spec Comparison
| Spec | Levoit Core 300S | Coway AP-1512HH Mighty |
|---|---|---|
| Price (MSRP) | $99.99 | $109.99 |
| CADR — Smoke (CFM) | 141AHAM | 233AHAM |
| CADR — Dust (CFM) | 145 | 246 |
| CADR — Pollen (CFM) | 145 | 240 |
| Room Coverage | 219 sq ft | 360 sq ft |
| HEPA Rating | True HEPA (99.97%) | True HEPA (99.97%) |
| Filter Stages | 3 | 4 |
| Noise (max dB) | 48 dB | 53 dB |
| Sleep Mode Noise | 24 dB | 24 dB |
| Max Power | 45W | 77W |
| Energy Star | ✅ | ✅ |
| Annual Filter Cost | $[object Object] | $[object Object] |
| App Control | ✅ | ❌ |
| Voice Control | Alexa, Google Home | ❌ |
| Warranty | 2 yr | 3 yr |
| Dimensions (H×W×D in) | 14.5×8.7×8.7 | 16.8×9.6×5.9 |
Green cell = better on that metric. AHAM badge = independently CADR-verified.
Verdict: Which Should You Buy?
Choose the Levoit Core 300S if: you're covering a bedroom or office under 220 sq ft, you want app control and scheduling, and quiet operation at night is a priority.
Choose the Coway AP-1512HH if: you're covering a medium-to-large room (up to 360 sq ft), you prefer simplicity over smart features, and you want the reassurance of a 3-year warranty and a proven long-term track record.