Duane on Macs

March 11, 2008

Energy Efficiency

Filed under: Mac News — duane @ 7:31 am

Did you ever walk into an office and hear the whirring on fans from all the computers running.

I would like to know how many people think about how much energy they are using by leaving their computers on overnight.

I know some use them for running load sharing programs like Folding @ home or SETI. A lot of people just don’t like to wait for the computer to boot up in the morning.

I purchased a Kill-A-Watt Current measuring device last year and saw how much the computers and monitors around me used. My 23″ LCD monitor used 120 Watts at full brightness, 70 at half brightness, (still quite readable) and 2 in sleep mode. A 20″ White iMac uses 115 Watts at full brightness but only 4 in sleep mode.

A random Dell PC in the office used 80 Watts (no monitor), unfortunately sleep mode for XP on the Dell never seems to work.

Think about your electric bill and turn off the unneeded computers when not in use. Also bug your congressman to make it easier to start construction of more nuclear power plants

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