Add Yahoo as a preferred source to see more of our stories on Google. Stop fumbling in the dark. Install an occupancy sensor instead. These smart home must-haves automatically turn the lights on when ...

State energy codes in the United States, which must be at least as stringent as the ASHRAE/IES 90.1-1999 standard, require automatic shutoff of lighting in commercial buildings greater than 5,000 ...

If you dream of walking into a room and having the lights turn on, or if you have nightmares about all the power wasted because lights in another room are constantly left on, replacing a standard wall ...