Which one AI picks, and when.
Data as of Jul 20, 2026 · Based on 5 AI claims comparing the two · See how Parse measures this
Head to head
The two are furthest apart on authority, where Rinnai leads by 7 points.
| Measure |  Navien |  Rinnai |
|---|---|---|
| Parse Score | 61 |
| 63 |
| Strength | 42 | 41 |
|---|
| Reach | 47 | 48 |
|---|
| Authority (widest gap) | 45 | 52 |
|---|
