Navien vs Bosch Boilers
Complete comparison to help you choose the right boiler
Head to Head Comparison
| Feature | Navien NCB-E | Bosch Greenstar |
|---|---|---|
| Price Range | $8,200 - $10,500 | $6,800 - $8,200 |
| AFUE Efficiency | 95% | 95% |
| BTU Output | 120,000 - 199,900 | 85,000 - 135,000 |
| Hot Water Flow | 6.0 GPM | 5.5 GPM |
| Warranty | 15-year heat exchanger | 10-year heat exchanger |
| Tech Support | Excellent | Very Good |
| Parts Availability | Widely available | Widely available |
| Installation Time | 6-8 hours | 5-7 hours |
Which Should You Choose?
Choose Navien If:
- • You need the absolute best warranty protection
- • Want built-in recirculation pump
- • Prioritize hot water performance
- • Have a larger home needing high output
- • Budget allows for premium option
Choose Bosch If:
- • Budget is primary consideration
- • Home is smaller or medium size
- • Want reliable German engineering
- • Value simplicity and reliability
- • Lower installation complexity preferred
Unsure Which Is Right for You?
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