If you're cranking your AC to beat the heat, you probably don't care too much about standby, or vampire, power. That's the juice electronics suck when they're off or in standby mode.
While it's slight, it adds up to huge national figures. Household modems and routers in nearly 90 million U.S. homes, for instance, are estimated to eat up about $1 billion in electricity annually as they're idling.
That's why smart home appliances like Valta make sense. It's a Canadian concept for an energy management system that's sensitive enough to show when devices aren't in use to cut electricity waste. … Read more