13 certified models
Rinnai commercial water heaters
Every Rinnai water heater certified under ENERGY STAR and listed for the US market, fastest first. Each model page has the full certified specs and comparable machines from other makers.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| CHS160100HCXIN | Gas Storage | Gas, Propane | 119 gal | 160 kBtu/h |
| CHS16080HCXIN | Gas Storage | Gas, Propane | 80 gal | 160 kBtu/h |
| CHS199100HCXIN | Gas Storage | Gas, Propane | 119 gal | 199 kBtu/h |
| CHS19980HCXIN | Gas Storage | Gas, Propane | 80 gal | 199 kBtu/h |
| CHS320100HCXVIN | Gas Storage | Gas, Propane | 119 gal | 320 kBtu/h |
| CHS398100HCXAIN | Gas Storage | Gas, Propane | 119 gal | 398 kBtu/h |
| CHS398100HCXIN | Gas Storage | Gas, Propane | 119 gal | 398 kBtu/h |
| CHS398100HCXVAIN | Gas Storage | Gas, Propane | 119 gal | 398 kBtu/h |
| CHS398100HCXVIN | Gas Storage | Gas, Propane | 119 gal | 398 kBtu/h |
| RCW1000AN | Gas Tankless | Gas, Propane | 8 gal | 999 kBtu/h |
| RCW399AN | Gas Tankless | Gas, Propane | 2 gal | 399 kBtu/h |
| RCW500AN | Gas Tankless | Gas, Propane | 2 gal | 500 kBtu/h |
| RCW750AN | Gas Tankless | Gas, Propane | 6 gal | 750 kBtu/h |
Source: ENERGY STAR certification data, US EPA. Data build 2026-09-29. Brand names are as the maker certified them, with obvious variant spellings merged.