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10 Best tankless water heaters of 2026
Save up to 17% off
1
Clicked 527 times in the last weekRinnaiNEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU
Key specs-
maximum flow rate:11.1 GPM
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special features:Indoor/outdoor install
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wattage:N/A
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voltage:N/A
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maximum temperature:N/A
9.9Exceptional
Our Rating
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2
RheemRheem 18kW 240V Tankless Electric Water Heater, Gray
9.8Exceptional
Our Rating
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3
EcoSmartEcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
17% OffKey specs-
maximum flow rate:1.3 to 3.1 GPM
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special features:Energy Efficient
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wattage:13-kilowatt
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voltage:N/A
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maximum temperature:N/A
9.7Exceptional
Our Rating
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4
HeatrovaNatural Gas Tankless Water Heater Indoor,HeatRova 4.3 GPM 102,000 BTU,Instant Hot Water,Constant Temperature,Pure Copper Heat Exchanger,3/4" NPT Connector,Energy-Saving,On-Demand for 3–4 Fixtures
9.5Excellent
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5
Antuony3KW Electric Tankless Water Heater, 110V High Efficiency, On-Demand Hot Water, Eco & Quiet, with Smart Digital Display (110V White)
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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ECOTOUCHTankless Water Heater Electric, ECOTOUCH 14kW 240V Instant Water Heater On Demand Hot Water Heaters Electric, Up to 3.38 GPM for 2-3 Point of Use, ETL Certificated, Self-Modulating, ECO140S White
Key specs-
maximum flow rate:2.3 Gallons Per Minute
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special features:Instant and Endless Hot Water, Stable Temperature, Auto Shut-off, Separation of Water and Electricity, Touch Control Panel
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wattage:14 KW
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voltage:240 Volts
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maximum temperature:120 or higher
9.1Excellent
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ECOTOUCHTankless Water Heater Electric, ECOTOUCH 14kW 240V Instant Water Heater On Demand Hot Water Heaters Electric, Up to 3.38 GPM for 2-3 Point of Use, ETL Certificated, Self-Modulating, ECO140S White
Key specs-
maximum flow rate:2.3 Gallons Per Minute
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special features:Instant and Endless Hot Water, Stable Temperature, Auto Shut-off, Separation of Water and Electricity, Touch Control Panel
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wattage:14 KW
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voltage:240 Volts
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maximum temperature:120 or higher
8.9Very Good
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SNDOASSNDOAS Tankless Water Heater,16L On Demand Water Heater Natural Gas, 4.23 GPM 85,300BTU Instant Hot Water, LED Display, Indoor Installation, 2-3 Point Use for Family Bathroom Kitchen,White
8.8Very Good
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10
RheemRheem 11kW 240V Tankless Electric Water Heater
Key specs-
maximum flow rate:2.68 Gallons Per Minute
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special features:LED Display
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wattage:11 KW
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voltage:240 Volts
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maximum temperature:N/A
8.7Very Good
Our Rating
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