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 ...

Current Range of Tested Whole-House Air-Source Heat Pumps Current Range of Tested Whole-House Air-Source Heat Pumps The Daikin 3T Light Commercial Split Heat Pump is part of the Heat Pumps test ...