Jon covers artificial intelligence. He previously led CNET's home energy and utilities category, with a focus on energy-saving advice, thermostats, and heating and cooling. Jon has more than a decade ...

A heat pump water heater can save you a lot of money each year, but only if it's installed in the proper location. It needs space to circulate air.

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 ...

Researchers at the University of Padova in Italy have proposed to improve the performance of residential air heat pumps with air-geothermal heat exchangers and have found this combination may reduce ...

Here we explore several key factors that influence commercial boiler efficiency and how best practice can help achieve ...