T
#31
Takagi T-H3-OS-N
Best for: Official UEF 0.95, maximum 5.8 GPM, minimum activation 1 GPM
2.9/10
What we like
- High official maximum flow (5.8 GPM)
Watch out for
- Lowest official uniform energy factor in this comparison (0.95)
- Highest official minimum activation flow in this comparison (1 GPM)
- ENERGY STAR does not list this model as connected-capable
Score breakdown
| Uniform energy factor | 0.95 |
|---|---|
| Maximum flow | 5.8 GPM |
| Minimum activation flow | 1 GPM |
| Connected capable | No |
| Uniform energy factor (ENERGY STAR UEF) | 0.95 |
| Maximum flow (ENERGY STAR) | 5.8 GPM |
| Minimum activation flow (ENERGY STAR) | 1 GPM |
| Fuel (ENERGY STAR) | Natural Gas |
| Vent type (ENERGY STAR) | Power Vent |
| Input rate (ENERGY STAR) | 199,000 BTU/h |
| Annual natural-gas use (ENERGY STAR) | 178 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) | Not listed |
| Dimensions (ENERGY STAR) | 22 × 18 × 11 in (H × W × D) |
| Certified model number | T-H3-OS-N 1** |
| Official brand name on the ENERGY STAR record | Takagi |
| Price | Check price |