10 bestElectric Tankless Water Heatersof June 2025
112M consumers helped this year.
5% off
1
RINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.
Rinnai
9.9
10% off
2
Ranein Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Residential Whole House Shower, Space Saving
Ranein
9.8
3
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey
Rheem
9.6
22% off
4
RINNAI RX160iN Condensing Tankless Water Heater RX160 Features 0.95 UEF with 160k BTU.
Rinnai
9.4
5
thermomate Electric Tankless Water Heater, 11kW at 240 Volt, On Demand Instant Hot Water Heater, Self Modulating Energy Saving, Save Space, 2.15GPM at 35°F Rise
thermomate
9.1
Other
Rheem RTEX-27 240V 3 Heating Chambers Residential Tankless Water Heater
Rheem 11kW 240V Tankless Electric Water Heater
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, Gray
Marey ECO150 Electric Tankless Water Heater, 14.5kW 240V, Smart Technology, Unlimited On-Demand Hot Water Heater
6
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
Rheem
8.9
7
VEVOR Instant Water Heater, 8kw On Demand Electric Tankless Water Boiler, Digital Temperature Display & Easy Installation & 24-Hour Water Supply, for Kitchen Bathroom Shower Mall Salon ETL Listed
VEVOR
8.7
8
Ranein Electric Tankless Water Heater, 11Kw 240v,Instant Hot Water Heater with LED Temperature Display, Energy Saving, Save Space
Ranein
8.4
9
Stiebel Eltron Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White - 23, Gloss White
Stiebel Eltron
8.2
10
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
EcoSMART
7.9
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