Commercial water heatersENERGY STAR certified
Burnham by U.S. Boiler CTDW650
650 kBtu/h gas tankless water heater.
Input rate
650 kBtu/h
Storage
6 gal
Thermal efficiency
0.98
Fuel
Gas, Propane
Of 207 certified gas tankless commercial water heaters, 9 have a higher thermal efficiency than the CTDW650 (0.98).
- Maker
- Burnham by U.S. Boiler
- Model
- CTDW650
- Type
- Gas Tankless
- Fuel
- Gas, Propane
- Storage
- 6 gal
- Thermal efficiency
- 0.98
- Input rate
- 650 kBtu/h
- On the market since
- Apr 2023
- ENERGY STAR certified
- 17 Apr 2024
Source: ENERGY STAR certified commercial water heaters dataset, US EPA, record 2648738, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the CTDW650
Certified commercial water heaters from other makers, same color class, within 20% of its speed.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| Lochinvar AWH0650L SERIES 1** | Gas Tankless | Propane | 6 gal | 650 kBtu/h |
| Lochinvar AWH0650N SERIES 1** | Gas Tankless | Gas | 6 gal | 650 kBtu/h |
| HTP ELX-650FVWH | Gas Tankless | Gas, Propane | 5 gal | 650 kBtu/h |
| A. O. Smith PWH0650NP* | Gas Tankless | Gas, Propane | 6 gal | 650 kBtu/h |
| Laars NT2V0650 | Gas Tankless | Gas | 6 gal | 650 kBtu/h |
| Bradford White BNT2V0650 | Gas Tankless | Gas | 6 gal | 650 kBtu/h |