Energy saving plugs, including devices marketed as electricity saving boxes or power saver plugs, claim to reduce your electricity consumption. However, these claims are often misleading. Independent tests reveal that these plug-in devices, such as Miraclewatt and Stop Watt, do not effectively reduce household electricity bills. Many are based on power factor correction, which is irrelevant for residential users. On the other hand, smart plugs, which allow you to control appliances remotely and reduce standby power consumption, do offer genuine savings. By scheduling device usage and minimizing energy waste, smart plugs can be a valuable addition to an energy-efficient home.