Lochinvar KBX0500L SERIES 1**vsNavien NFB700-500C
Side-by-side commercial boiler comparison
Lochinvar KBX0500L SERIES 1**
Thermal Efficiency
97%
Input Rate
500MBTU/hr
Turndown Ratio
10.00
Application
Indoor
Navien NFB700-500C
Thermal Efficiency
97.5%
Input Rate
499MBTU/hr
Turndown Ratio
12.00
Application
Indoor
Key differences
Both models are closely matched on thermal eff: 97.0 vs 97.5 %. The Lochinvar KBX0500L SERIES 1** is larger at 500 MBTU/hr versus 499 MBTU/hr. Overall, the Navien NFB700-500C sits higher in the category, ranking above 84% of certified commercial boilers.
Performance
| Spec | Lochinvar | Navien |
|---|---|---|
| Thermal Efficiency(%) | 97 | 97.5 |
| Full-Load Input Rate(MBTU/hr) | 500 | 499 |
| Turndown Ratio | 10.00 | 12.00 |
Configuration
| Spec | Lochinvar | Navien |
|---|---|---|
| Application | Indoor | Indoor |
| Control Type | Multi-stage | Multi-stage |
| Model Name | Knight XL | NFB700-500C |