Commercial water heatersENERGY STAR certified
Burnham by U.S. Boiler CTDW500
500 kBtu/h gas tankless water heater.
Input rate
500 kBtu/h
Storage
5 gal
Thermal efficiency
0.98
Fuel
Gas, Propane
Of 207 certified gas tankless commercial water heaters, 9 have a higher thermal efficiency than the CTDW500 (0.98).
- Maker
- Burnham by U.S. Boiler
- Model
- CTDW500
- Type
- Gas Tankless
- Fuel
- Gas, Propane
- Storage
- 5 gal
- Thermal efficiency
- 0.98
- Input rate
- 500 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 2648739, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the CTDW500
Certified commercial water heaters from other makers, same color class, within 20% of its speed.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| Trinity LX500WH | Gas Tankless | Gas, Propane | 3 gal | 500 kBtu/h |
| Lochinvar AWH0500L SERIES 1** | Gas Tankless | Propane | 5 gal | 500 kBtu/h |
| Lochinvar AWH0500N SERIES 1** | Gas Tankless | Gas | 5 gal | 500 kBtu/h |
| HTP ELX-500FVWH | Gas Tankless | Gas, Propane | 4 gal | 500 kBtu/h |
| A. O. Smith PWH0500NP* | Gas Tankless | Gas, Propane | 5 gal | 500 kBtu/h |
| Laars NT2V0500 | Gas Tankless | Gas | 4 gal | 500 kBtu/h |