vampires, but energy vampires. sucking electricity even when things are off. >> reporter: even when your plasma tv isn't on, no power going through it you still suck $64 worth of electricity out of it every year. $64. it's not the only thing. >> selling new york, modern family. >> reporter: meet victor, like you and i, he got a dvr so he can watch what he wants when he wants. these days i'm watching a lot of game of thrones. >> game of thrones. >> reporter: not waste time. dvr is wasting more of his money than he ever dreamed. how? an average dvr went on and recording, burns 30 watts an hour. when it's not on and not recording it still burns 29 watts an hour, every hour, 24 hours a day. costing homeowners an extra $30 a year. and these are just two of the vampire appliances busy sucking electricity at night while you sleep. there is your gaming system. leave that on, and it will cost