Both budget electric tankless. EcoSmart has the lifetime warranty advantage; Rheem has the Rheem corporate support network.
| EcoSmart ECO 27 | Rheem RTEX-27 | |
|---|---|---|
| Heat exchanger warranty | Lifetime | 5 years |
| Parts warranty | 5 years | 1 year |
| Typical price | $549-699 | $549-699 |
EcoSmart wins on warranty terms at equivalent price. Rheem wins on brand familiarity for some contractors.