Household rules vary quite a bit from home to home, but there's one that most of us grew up hearing over and over again: "Turn off the lights when you leave the room!" If you had parents who were ...

From an energy perspective, it is worth turning off most types of lighting when leaving a room. The exception is classic ...

For decades, we’ve been guilt-tripped into turning off the lights any time we leave a room ... They don’t care how often you turn them off and on: they sip energy like it’s fine wine ...