The current standards for water heaters, which are specified in the Code of Federal Regulations (CFR) in 10 CFR 430.32(d), have been in effect since 2010. One aspect of the upcoming changes is the ...

These water heaters are far more energy-efficient than conventional options. We put 10 models to the test. By Yasmeen Khan Heat pump water heaters have been around for decades, but it’s only recently ...