Does turning off computers really save energy?
Though there is a small surge in energy when a computer starts up, this small amount of energy is still less than the energy used when a computer is running for long periods of time. For energy savings and convenience, consider turning off: • the monitor if you aren’t going to use your PC for more than 20 minutes • both the CPU and monitor if you’re not going to use your PC for more than two hours. Make sure your monitors, printers, and other accessories are on a power strip/surge protector. When this equipment is not in use for extended periods, turn off the switch on the power strip to prevent them from drawing power even when shut off. If you don’t use a power strip, unplug extra equipment when it’s not in use. Most PCs reach the end of their “useful” life due to advances in technology long before the effects of being switched on and off multiple times have a negative impact on their service life. The less time a PC is on, the longer it will “last.” PCs also produce heat, so turning
