These water heaters are far more energy-efficient than conventional options. We put 10 models to the test.By Yasmeen KhanHeat ...

Water heating is the second-largest energy cost for U.S. households. But you can save with a more efficient water heater, ...

We've tested and reviewed products since 1936. Read CR's review of the American Standard Hybrid Heat Pump water heater to find out if it's worth it.

Understanding the lifespan of your hot water heater and recognizing the signs ... up and scours the inside of the tank and all the parts inside the unit, wearing away any protective linings ...