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10 Best electric tankless hot water heaters of 2025
Save up to 30% off
Best Choice1
Clicked 520 times in the last monthRheemRheem 18kW 240V Tankless Electric Water Heater, Gray
9.8Exceptional
Our Rating
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Value for Money2
RheemRheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
26% Off9.6Exceptional
Our Rating
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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 pressure:N/A
9.5Excellent
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4
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
9.4Excellent
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RaneinRanein Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Residential Whole House Shower, Space Saving
10% OffKey specs-
maximum flow rate:4.3 GPM
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wattage:18 KW
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special features:LED Display
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voltage:240 Volts AC
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maximum pressure:130 PSI
9.3Excellent
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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
9.2Excellent
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ECOTINYMACHECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius
8.9Very Good
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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 pressure:150 Pound per Square Inch
8.8Very Good
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9
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 pressure:N/A
8.7Very Good
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10
HNKTankless Water Heater Electric ，110v 0-3500W Whole House Tankless Hot Water Heater with Led Temperature Display for Indoor or Outdoor Black-5 Years Quality Assurance
Key specs-
maximum flow rate:1.9 Liters Per Minute
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wattage:3500 watts
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special features:Temperature Lock, Overheat Protection
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voltage:110 Volts
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maximum pressure:6 Bars
8.6Very Good
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