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6 EcoSmart products rated

EcoSmart tankless water heaters compared (2026)

Every EcoSmart product we review, sorted by rating. The EcoSmart ECOS 12, 12 kW 240V leads with 7.5/10.

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6 products

EcoSmart ECOS 12, 12 kW 240V

2.9 GPM · 12 kW · 240 VEcoSmart ECOS 12, 12 kW 240V$259.02 on Sep 30, 2026, may have changedSpec-based rating

EcoSmart ECOS 18, 18 kW 240V

18 kW · 240 VEcoSmart ECOS 18, 18 kW 240VSee current price10 buyer reviews

EcoSmart ECOS 27, 27 kW 240V

27 kW · 240 VEcoSmart ECOS 27, 27 kW 240VSee current price14 buyer reviews

EcoSmart POU 4T, 3.5 kW 120V

3.5 kW · 120 VEcoSmart POU 4T, 3.5 kW 120V$169.69 on Sep 30, 2026, may have changedSpec-based rating

EcoSmart ECO 8, 8 kW

8 kWEcoSmart ECO 8, 8 kW$219 on Sep 30, 2026, may have changedSpec-based rating

EcoSmart POU 6, 6 kW

6 kWEcoSmart POU 6, 6 kW$203.32 on Sep 30, 2026, may have changedSpec-based rating

Product images: Amazon listings

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