EcoSmart
EcoSmart ECO 24
$525Cheaper
Best Tankless Water Heaters · head-to-head
EcoSmart ECO 24 vs Stiebel Eltron Tempra 36 Plus
A sourced, side-by-side comparison. EcoSmart ECO 24 is cheaper at $525. Every spec and price links to its source.
Stiebel Eltron
Stiebel Eltron Tempra 36 Plus
$1132
Which is better: the EcoSmart ECO 24 or Stiebel Eltron Tempra 36 Plus?
The EcoSmart ECO 24 wins 1 of the 1 specs we compare head to head; the other wins 0. The EcoSmart ECO 24 is the cheaper at $525. The EcoSmart ECO 24 both leads on specs and costs less — the straightforward pick.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  EcoSmart ECO 24 |  Stiebel Eltron Tempra 36 Plus |
|---|---|---|
| US price | $525 | $1132 |
| Brand | EcoSmart | Stiebel Eltron |
| Released | — | — |
| Fuel type | electric | electric |
| Max flow rate (gpm) | — | 8.2 |
| Max btu per hour | — | — |
| Power input (kW) | 24 | 36 |
| Uniform energy factor | — | — |
| Condensing type | electric | electric |
| Min activation flow (gpm) | 0.3 | 0.77 |
| Vent type | none | none |
| Max temp (°F) | 140 | 140 |
| Heat exchanger warranty yrs | — | 7 |
| Wi-Fi enabled | No | No |
| Weight (lb) | 14.25 | 17.6 |
Sources — EcoSmart ECO 24: ecosmartus.com (verified 2026-07-11). Stiebel Eltron Tempra 36 Plus: stiebel-eltron-usa.com (verified 2026-07-11).
What's the difference between the EcoSmart ECO 24 and Stiebel Eltron Tempra 36 Plus?
Where the two actually differ on the specs we track (3 of 12). Matching specs are omitted.
- Power input (kW): EcoSmart ECO 24 24 vs Stiebel Eltron Tempra 36 Plus 36
- Min activation flow (gpm): EcoSmart ECO 24 0.3 vs Stiebel Eltron Tempra 36 Plus 0.77
- Weight (lb): EcoSmart ECO 24 14.25 vs Stiebel Eltron Tempra 36 Plus 17.6