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Computer & Office Equipment: Use & Care
Use & Care
Computers: Take the Night Off
Turn your computer off at night. Turning it off will save energy, and won’t harm the hardware.
Down Time: Shutting Down
Turn your monitor off if you will not be working for more than 20 minutes continuously, and shut down your computer if you’ll be away for more than two hours. Otherwise, leave it on — the initial power surge of re-starting may use more energy. Also, since screensavers don’t actually save power, set a short screen saver setting preference to allow your computer to enter sleep mode faster. If your computer is communicating with auxiliary devices such as fax machines, it will stay in active mode and not switch to sleep mode as quickly, so setting a shorter screen saver setting preference will help in this case.
Scare Off “Phantom Energy”
Keep all electronics in your home office connected to a surge protector. Turn the protector off at night to prevent the use of “phantom energy,” the accumulated energy used to power the small “standby” or “off” lights on devices. If some electronics must stay on, plug them into a separate outlet.
Monitors: Look on the Bright Side
Not Too Bright
Lower the brightness on your monitor to a comfortable level. New monitors are often set to a higher brightness than necessary. CNET’s website shows results from tests which concluded that changing the brightness is more important than just about any other energy-saving setting for your monitor.
Cool & Clean
Keep the cooling vents on your computer clean. Dust clogged vents don't work as efficiently, which can potentially cause your central processing unit (CPU) to overheat.
The best and easiest way to save energy in your home office is to enable the power-management options on your computer, printer, and multifunction machines (MFM). While these settings could save as much as 60% to 80% of the energy used by computers, they’re usually disabled on brand new computers and require the user to enable them.1 Both ENERGY STAR® and CNET’s websites provide directions on how to use computer power-management settings.
|On battery||Plugged in|
|Turn off the display||5 minutes||15 minutes|
|Put the computer to sleep||10 minutes||30 minutes|
|Adjust screen brightness||50 %||75 to 100 %|
Donate & Recycle
If your computer is less than 5 years old, consider donating it to a school or non-profit organization. Computers and electronics are made of materials that may be harmful to people and the environment if not disposed of properly so recycling them is a good way to go, especially since some computer parts are valuable or resource-intensive materials that shouldn’t be wasted. Visit the Environmental Protection Agency’s eCycling website to find local organizations and donate or recycle your old electronics.
Find More Info
1Goorskey, S. Smith, A., & Wang, K. (2004). Rocky Mountain Institute’s Home Energy Briefs #7 Electronics. Washington, DC: ACEEE. Retrieved September 28, 2012, from rmi.org. (p. 1).
This program is funded by California utility customers and administered by Southern California Edison under the auspices of the California Public Utilities Commission.