10 bestElectric Tankless Hot Water Heaterof August 2026
112M consumers helped this year.
6% off
1
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey
Rheem
9.9
2
Rheem RTEX-27 240V 3 Heating Chambers Residential Tankless Water Heater
Rheem
9.8
3
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, Gray
Rheem
9.6
4
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
Rheem
9.4
5
Rheem 11kW 240V Tankless Electric Water Heater
Rheem
9.2
OtherUp to 5% off
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
EcoSmart ECOS 18 Tankless Electric Water Heater, 18 Kw at 240 Volts, 75 Amps with Patented Self Modulating Technology
VEVOR Instant Water Heater, 18kw Electric Tankless Water Boiler, Digital Temperature Display & Easy Installation & 24-Hour Water Supply, for Kitchen Bathroom Shower Mall Salon Shampoo ETL Listed
Atmor 29kW Tankless Water Heater Electric 240 Volt 5.4GPM, Self-Modulating Tech Multi-Application for Whole House, Hot Water on Demand, Digital Temperature Display 2023 Upgraded version Light Gray
6
Rheem 8kW 240V Tankless Electric Water Heater
Rheem
9.0
7
EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology
EcoSMART
8.7
8
Stiebel Eltron DHX 15-2 Trend Point-of-Use Tankless Electronic Water Heater, 240V, 14.4kW, White, Made in Germany
Stiebel Eltron
8.5
9
Rheem 6kW 240V Point of Use Thermostatic Tankless Electric Water Heater
Rheem
8.2
10
Stiebel Eltron 200066 DHX 12-2 Plus Point-of-Use Tankless Electronic Water Heater, 240V, 12000 Watts
Stiebel Eltron
7.9
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