True or False? Automated systems can save energy and money without lifting a finger. Without any input from the user, the right system can reduce energy costs and usage. Occupancy sensors turn lights on automatically when someone enters and off when no one is in the room. Daylight sensors lower or turn off electric lights when sufficient daylight is available. Timers can turn on lights according to changes in light or the time of day. Using a dimmer when possible can save an additional 20%.