Traditional air-source heat pumps can provide reliable heating when outdoor temperatures are moderately cold. However, once the weather reaches subzero temperatures, heat pumps suffer a drastic loss ...

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 ...

Almost exactly 200 years ago, French physicist Sadi Carnot determined the maximum efficiency of heat engines. The Carnot ...

Commercial heat pump makers have developed next generation cold climate heat pumps. Next-generation cold-climate heat pumps—a key clean energy technology that can potentially save households $500 a ...

Study in Nature Climate Change shows urban heat island effect may reduce cold-related deaths in some cities, impacting ...