R
#5
Rinnai RX199I
Best for: Official UEF 0.98, maximum 5.8 GPM, minimum activation 0.1 GPM
8.1/10
What we like
- Highest official uniform energy factor in this comparison (0.98)
- High official maximum flow (5.8 GPM)
- Lowest official minimum activation flow in this comparison (0.1 GPM)
Watch out for
- ENERGY STAR does not list this model as connected-capable
Score breakdown
| Uniform energy factor | 0.98 |
|---|---|
| Maximum flow | 5.8 GPM |
| Minimum activation flow | 0.1 GPM |
| Connected capable | No |
| Uniform energy factor (ENERGY STAR UEF) | 0.98 |
| Maximum flow (ENERGY STAR) | 5.8 GPM |
| Minimum activation flow (ENERGY STAR) | 0.1 GPM |
| Fuel (ENERGY STAR) | Natural Gas, Propane |
| Vent type (ENERGY STAR) | Power Direct Vent |
| Input rate (ENERGY STAR) | 199,000 BTU/h |
| Annual natural-gas use (ENERGY STAR) | 173 therms/year |
| Maximum GPM per 10,000 BTU/h (computed) | 0.29 GPM per 10,000 BTU/h, computed as certified maximum GPM ÷ certified input rate |
| Connected capable (ENERGY STAR) | No |
| Draw pattern (ENERGY STAR) | High-Usage |
| Recovery efficiency (ENERGY STAR) | 99% |
| Dimensions (ENERGY STAR) | 25.8 × 18.5 × 11.4 in (H × W × D) |
| Certified model number | (RX199I) REU-NB3237FF-US |
| Official brand name on the ENERGY STAR record | Rinnai |
| Price | Check price |