Connect the Wall Plug to a standard power outlet and your Z-Wave network for energy monitoring. An LED ring around the plug displays different colors as energy consumption changes. If the amount of ...

And now, the Plogg. A U.K. company has developed a plug-in electricity meter that relies on the wireless ZigBee protocol, which is now being evaluated for use in the North American market. Called the ...

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 ...

To avoid rising energy costs each month, you must first understand how energy consumption works. Various factors contribute ...

Smart plugs have been around for a good few years now, and those from established brands like Eve, Hive and Philips all work in a very similar way. But we thought this plug from TP-Link was worthy of ...

Microsoft inks a deal with home energy monitor maker to let people get detailed information on home electricity use without the need for a smart meter. Martin LaMonica is a senior writer covering ...

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, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...