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10 Best electric tankless water heaters of 2025
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Best Choice1
Clicked 546 times in the last monthRheemRheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
9.8Exceptional
Our Rating
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Value for Money2
RheemRheem 18kW 240V Tankless Electric Water Heater, Gray
9.7Exceptional
Our Rating
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3
EcoSmartEcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
30% OffKey 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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voltage:N/A
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maximum temperature:N/A
9.6Exceptional
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4
RheemRheem 11kW 240V Tankless Electric Water Heater
Key specs-
maximum flow rate:2.68 Gallons Per Minute
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wattage:11 KW
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special features:LED Display
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voltage:240 Volts
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maximum temperature:N/A
9.5Excellent
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5
ECOTINYMACHECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius
9.2Excellent
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Orbek18kW Tankless Water Heater Electric, ORBEK 240 Volt On Demand Instant Hot Water Heater, with LED Digital Display, ETL Certified, Up to 4.17 GPM for 2-3 Point of Use throughout the Whole House
Key specs-
maximum flow rate:4.8 GPM
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wattage:18 KW
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special features:LED Display
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voltage:240 Volts
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maximum temperature:140°F
9.1Excellent
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CAMPLUX ENJOY OUTDOOR LIFECAMPLUX Tankless Water Heater Electric 110~120V Small Point of Use 4500W Hot Water Heater, Save Space for Sink Wall Mounted LED Digital Display CSA Certified with Self Modulating Technology, White
8.9Very Good
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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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voltage:110 Volts
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maximum temperature:131 F
8.8Very Good
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9
SIVUATEKElectric Tankless Water Heater SIVUATEK 18kW, 240V - On-Demand Hot Water for Whole House - ETL Certified, Self Modulating - Compact Design for Easy Installation - for 3 Point of Use Hot Water
Key specs-
maximum flow rate:2.8 GPM
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wattage:18000 watts
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special features:Standard pipe fittings, Easy control, Touch sensor, Intuitive display
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voltage:240 Volts
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maximum temperature:120 Degrees Fahrenheit
8.7Very Good
Our Rating
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10
FOGATTIFOGATTI Tankless Water Heater Electric, Up to 3.3 GPM, 14kW 240V On-Demand Instant Endless Water Heater, ETL Certified, 2-3 Point of Use Hot Water
Key specs-
maximum flow rate:3.3 Gallons Per Minute
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wattage:14 KW
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special features:Separation of Water and Electricity, Knob Control, LED Display, ETL Certificated
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voltage:240 Volts
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maximum temperature:140 F
8.6Very Good
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