Startup Cala Systems, which makes seriously smart heat pump water heaters, has secured $5.6 million in seed funding and commercially launched its product. The round was led by the Massachusetts Clean ...

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 ...

Cala has developed a highly efficient and intelligent heat pump system that heats water based on the patterns of hot water use in each home and the preferences of the homeowner. By understanding each ...