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10 Best best electric tankless water heater - March 2026

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Last Updated: 03-21-2026

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1

topTop product
LECLOC Mini Tankless Under Sink Instant Hot Water Heater Electric 3kW 120V Plug In, Large LED Digital Display with Big Control Knob, IPX4, Multi-Protection, 30-55℃ Thermostatic On Demand Water Heater

LECLOC Mini Tankless Under Sink Instant Hot Water Heater Electric 3kW 120V Plug In, Large LED Digital Display with Big Control Knob, IPX4, Multi-Protection, 30-55℃ Thermostatic On Demand Water Heater

LECLOC

9.8

9.8

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2

Rheem 18kW 240V Tankless Electric Water Heater, Gray

Rheem 18kW 240V Tankless Electric Water Heater, Gray

Rheem

9.6

9.6

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3

bestBest value
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

Rheem

9.5

9.5

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4

Rheem 11kW 240V Tankless Electric Water Heater

Rheem 11kW 240V Tankless Electric Water Heater

Rheem

9.2

9.2

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5

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

EcoSmart

9.1

9.1

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6

14kW Tankless Water Heater Electric, SIVUATEK 240V Instant On-Demand Hot Water Heater, 2 Point of Use, Self-Modulating, ETL Certified, Endless Water Supply for Home

14kW Tankless Water Heater Electric, SIVUATEK 240V Instant On-Demand Hot Water Heater, 2 Point of Use, Self-Modulating, ETL Certified, Endless Water Supply for Home

SIVUATEK

8.8

8.8

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7

Electric Tankless Water Heater WINTEMP 27kW 240V, Whole House Hot Water Supply, On Demand Instant Endless Water Heater, with LED Temperature Display, WiFi Control, Up to 6.3 GPM, ETL Certified

Electric Tankless Water Heater WINTEMP 27kW 240V, Whole House Hot Water Supply, On Demand Instant Endless Water Heater, with LED Temperature Display, WiFi Control, Up to 6.3 GPM, ETL Certified

WINTEMP

8.6

8.6

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8

WINTEMP 36kW Tankless Electric Water Heater 240V, Instant On-Demand Endless Hot Water, Up to 8.7 GPM, LED Temperature Display, Whole House Supply, WiFi Control, ETL Certified

WINTEMP 36kW Tankless Electric Water Heater 240V, Instant On-Demand Endless Hot Water, Up to 8.7 GPM, LED Temperature Display, Whole House Supply, WiFi Control, ETL Certified

WINTEMP

8.4

8.4

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9

Titan Electric Tankless Water Heater

Titan Electric Tankless Water Heater

Titan

8.2

8.2

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10

EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5

EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5

EcoSmart

8.1

8.1

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