Only the standby mode of these devices makes a total power of 39 watts! With 24 hours running time, 365 days a year and $0,15 per kwH, that’s a whopping $51,28 in electricity costs! Sure, during the day and when we are present, we need the standby mode, because it facilitates the operation of the devices. But what about at night and when we are absent? Assuming we sleep 8 hours a day, why should the devices wait for our commands during this time?! So let’s save these unnecessary electricity costs, which is already 33%! Converted to the annual consumption that is $16,92 ! Everything you need to do here in a quick guide: