10 bestElectric Tankless Water Heaterof April 2025
112M consumers helped this year.
1

Thermomate Mini Tank Electric Water Heater ES700 Hard Wired 6.5 Gallons Point of Use Water Heater for Instant Hot Water Under Kitchen Sink 120V 1440W
thermomate

9.8
2

CAMPLUX Tankless Electric Water Heaters 18kW, On Demand Hot Water Heater Electric with Digital Display 240V for Shower, White
CAMPLUX ENJOY OUTDOOR LIFE

9.6
3

Electric Tankless Water Heater, 27kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Residential Whole House Shower, Space Saving
Ranein

9.4
4

Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey
Rheem

9.2
5

Tankless Water Heater Electric 14kW 240 Volt, thermomate On Demand Instant Endless Hot Water Heater, Digital Temperature Display Easy Installation, for Residential Sink & Shower, 58A Gray
thermomate

9.0
OtherUp to 51% off
6

Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology, White
EcoSMART

8.7
7

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, Gray
Rheem

8.5
8

Tankless Water Heater Electric 27kW 208~240 Volt, thermomate On Demand Instant Endless Hot Water Heater, Digital Temperature Display for Residential Whole House Shower, 114A Gray
thermomate

8.2
9

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

8.0
10

Rheem 8kW 240V Tankless Electric Water Heater
Rheem

7.7

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