Tankless Water Heaters · Best Tankless Water Heaters for Electric and Warm
10 Best Tankless Water Heaters for Electric and Warm (2026)
We evaluated every model against our criteria. 10 earned a spot. Here's what each is best for — and when a different option wins.
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Top 3 at a glance
Top 3 at a glance
Why this pick
Electric tankless heaters require no venting and suit homes without gas lines. The Rheem RTEX-18 18kW leads because it delivers electric with 1–2 people — exactly what this ranking prioritizes. Rheem RTEX-18 18kW 240V electric tankless water heater.
Why this pick
The Eccotemp i12-LP Indoor takes a different approach: propane (electric is easier to install; gas offers higher flow rates). Eccotemp i12-LP indoor propane tankless water heater.
Why this pick
The Eemax EEM24013 Electric takes a different approach: point-of-use (indoor units need venting; outdoor units save on installation costs). Eemax EEM24013 13kW 240V electric tankless water heater.
4
#4 Pick
Stiebel Tempra 20 Plus Electric Tankless Water Heater 19.2kW
Best for: electric with 1–2 people
80% match
Check today’s price →Why this pick
The Stiebel Eltron Tempra differentiates with moderate (cold climates require more heating power for the same gpm output). Stiebel Eltron Tempra 20 Plus 19.2kW electric tankless water heater.
5
#5 Pick
Titan 160 Electric Tankless Water Heater 240V
Best for: electric with 1–2 people
80% match
Check today’s price →Why this pick
The Titan N-160 Electric differentiates with point-of-use (indoor units need venting; outdoor units save on installation costs). Titan N-160 16kW 240V electric tankless water heater.
Why this pick
The Bosch Tronic 3000C differentiates with point-of-use (indoor units need venting; outdoor units save on installation costs). Bosch Tronic 3000C point-of-use electric tankless water heater.
Why this pick
The Camplux CA528 Outdoor differentiates with propane (electric is easier to install; gas offers higher flow rates). Camplux CA528 outdoor propane tankless water heater.
Why this pick
The EcoSmart ECO 11 differentiates with point-of-use (indoor units need venting; outdoor units save on installation costs). EcoSmart ECO 11 13kW electric tankless water heater with self-modulating technology for point-of-use hot water.
Why this pick
The EcoSmart ECO 27 differentiates with 3–4 people (more people means higher simultaneous hot water demand). EcoSmart ECO 27 27kW 240V electric tankless water heater with self-modulating technology.
Why this pick
The Eemax EEM24027 Electric differentiates with 3–4 people (more people means higher simultaneous hot water demand). Eemax EEM24027 27kW 240V electric tankless water heater.
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