10 Best Electric Water Heaters 2025 in the United States

The Stiebel Eltron Tempra 20 Trend is a compact tankless water heater designed to provide on-demand hot water without the need for a storage tank. Its continuous flow feature means you won’t run out of hot water during showers, making it suitable for small to medium households. With a 19.2 kW power rating and a maximum flow rate of about 2 gallons per minute, it can handle multiple bathroom uses but may struggle with very large households needing simultaneous showers.

The Stiebel Eltron Tempra 24 Plus is a tankless electric water heater designed to provide on-demand hot water without the drawbacks of traditional storage heaters. One of its standout features is the Advanced Flow Control technology, which maintains a steady water temperature, ensuring that showers or hot water tasks can be completed without interruption. This makes it highly suitable for households where multiple hot water needs are common.

The Stiebel Eltron Tempra 24 Trend is a compact electric tankless water heater designed to provide endless hot water on demand, making it a good choice for those wanting continuous flow without running out. Its 24 kW power and 240V operation mean it can handle a decent-sized household's hot water needs, though it requires a strong electrical service (recommended 150 A), which might need upgrading in some homes. Since it heats water as you use it, there's no storage tank, saving space and avoiding standby heat loss, which helps with energy efficiency. The unit features auto-modulation, adjusting power based on your hot water demand to reduce energy waste.