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10 Best electric tankless hot water heaters of 2025
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Best Choice1
Clicked 622 times in the last monthRheemRheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
9.7Exceptional
Our Rating
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Value for Money2
RheemRheem 18kW 240V Tankless Electric Water Heater, Gray
9.6Exceptional
Our Rating
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3
EcoSmartEcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
Key specs-
maximum flow rate:1.3 to 3.1 GPM
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wattage:13-kilowatt
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special features:Energy Efficient
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maximum temperature:N/A
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voltage:N/A
9.5Excellent
Our Rating
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4
Orbek14kW Tankless Water Heater Electric, ORBEK 240 Volt On Demand Instant Hot Water Heater, with LED Digital Display, ETL Certified, Up to 3.38 GPM for 2-3 Point of Use
9.4Excellent
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xwdzswgsTankless Water Heater Electric 110V, 3000W Instant Electric Water Heater, Under Sink Water Heater with Digital Display, On Demand Hot Water heater Electric for Kitchen Bathroom Washin
9.3Excellent
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xwdzswgsTankless Water Heater Electric 110V, 3000W Instant Water Heater Under Sink, On Demand Hot Water Heater Electric with Digital Display, Electric Mini Water Heater for Kitchen Bathroom Washin
Key specs-
maximum flow rate:0.5GPM
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wattage:3000 watts
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special features:Dry Combustion Protection, Lightweight, LED Display
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maximum temperature:131 F
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voltage:110 Volts
9.2Excellent
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Orbek18kW Tankless Water Heater Electric, ORBEK Instant On Demand Hot Water Heater 240V, Up to 4.17 GPM, Supply for 2-3 Fixtures Simultaneously, within 1℉ Stable Temp, ETL Certified, Indoor Installation
9.1Excellent
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ECOTINYMACHECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius
8.8Very Good
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SIVUATEKElectric Tankless Water Heater SIVUATEK 14kW, 240V - On-Demand Hot Water for Whole House - ETL Certified, Self Modulating - Compact Design for Easy Installation - for 2 Point of Use Hot Water
Key specs-
maximum flow rate:2 Gallons Per Minute
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wattage:14 KW
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special features:Standard pipe fittings, Easy control, Touch sensor, Intuitive display
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maximum temperature:131 Degrees Fahrenheit
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voltage:240 Volts
8.7Very Good
Our Rating
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10
WINTEMPElectric 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
20% OffKey specs-
maximum flow rate:6.5 Gallons Per Minute
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wattage:27000 watts
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special features:Overheat Protection, LED Display
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maximum temperature:140 Degrees Fahrenheit
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voltage:240 Volts AC
8.6Very Good
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