Powerful output, compact design, remarkable energy-saving features: Our whole house electric tankless water heaters are made to perform to the highest standards in terms of comfort and reliability. Intelligent self-modulating technology continually ensures the least amount of energy is used to heat the water. The Tempra 15 provides hot water at a constant temperature for 1-1.5 bathrooms in warm climates, or 1 bathroom in cool climates. See sizing guide to determine which model is best for you (guide assumes 2 GPM or less per shower-head). Stiebel Eltron invented tankless electric water heating technology more than 90 years ago, and is still the industry pioneer and world leader. Our engineering and manufacturing tradition of excellence means you can depend on the performance and reliability of our products. Call Stiebel Eltron at 800-582-8423 if you have high flow showers or any sizing questions.

Powerful output, compact design, remarkable energy-saving features: Our whole house electric tankless water heaters are made to perform to the highest standards in terms of comfort and reliability. Intelligent self-modulating technology continually ensures the least amount of energy is used to heat the water. The Tempra 15 provides hot water at a constant temperature for 1-1.5 bathrooms in warm climates, or 1 bathroom in cool climates. See sizing guide to determine which model is best for you (guide assumes 2 GPM or less per shower-head). Stiebel Eltron invented tankless electric water heating