Capable of dramatically reducing hot water costs, the best electric tankless water heater offers many benefits. This guide has the top picks.

We've tested and reviewed products since 1936. Read CR's review of the Stiebel Eltron Accelera 300E water heater to find out ...

WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties ...

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.