Both budget electric tankless. EcoSmart has lifetime warranty advantage; Marey has lower upfront price.
| Marey ECO270 (26 kW) | EcoSmart ECO 27 (27 kW) | |
|---|---|---|
| Heat exchanger warranty | 10 years | Lifetime (residential) |
| Typical price | $499-649 | $549-699 |
EcoSmart better long-term value; Marey lowest upfront.