
What’s Vampire Power? Also called phantom load, it’s the electricity devices draw while “off” or idle—anything with a clock, light, or sleep mode. How Much It Costs Standby power usually makes up 5–10% of a home’s usage, about $50–$150 a year. Example: a 20 W DVR left on all year costs around $35 doing nothing. What to Leave … [Read more…]