Library patrons can borrow a device with their library card, just as they would with books, DVD’s, etc. Plug it into an electrical outlet to find out the cost of running refrigerators, computers, TVs ...

Smart appliances are supposed to help you save money by measuring the amount of electricity you use and then helping you reduce it. But a smart fridge, which can also keep track of your perishables, ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Smart plugs remain one of the best ways to start a smart ...

Building your own power monitor isn’t too tough and can save money and electricity. Phil Torrone and Limor Fried wanted to measure their household power usage long-term, so they developed the ...

Called the Plogg, it can be used by a business, such as a restaurant chain, to monitor energy usage for appliances like refrigerators and air conditioners, with all the data collected at a central ...