Hardware Reviews: Some tips on how to conserve energy..

Thursday, September 15, 2005

Some tips on how to conserve energy..

Here it is:
Computer power management —A typical computer monitor uses 60 to 120 watts of electrical power, depending upon screen size.

  • Do not use screensavers as energy savers as they continue to use the monitor at full power and do not conserve energy.
  • Configure your monitor to turn off after 20 minutes of inactivity, your hard drive to turn off after 30 minutes of inactivity, and your desktop computer or laptop to go into a standby or sleep mode after 90 minutes of inactivity. (If your computer does not have a standby or sleep mode, or you can’t find it, simply turn off your monitor when it is not in use)
  • Shut down your computer, monitor, and personal printer or place them in a standby mode when you leave the office for more than two hours.

Turn off your Lights- A common myth about lighting systems is that it is more expensive to turn lights on and off, so it’s better to just leave lights on all the time. Not true!

  • Incandescent lamps are so inefficient; it always pays to turn them off when they’re not needed, even for very short periods of time.
  • For fluorescent lamps, the breakeven point is about five minutes. In other words, if fluorescent lights will be off for five minutes or longer, it’s more cost effective to turn them off than to leave them on.
  • Replacing a 100-watt incandescent with a 32-watt CFL saves at least $30 in energy costs over the life of the bulb.
  • Minimize or eliminate the use of electric fans and other personal electrical equipment and appliances where possible.
  • A 20-inch box fan on medium speed for a 4-moth period 10 hours per day would cost $12 to operate. That $12 doesn’t sound like much, but if everyone were to add a personal fan as the temperature rise, the costs certainly begin to add up.

Temperature controls during A/C season

  • Keep windows and doors closed when Air Con are operating — If you must open windows for ventilation, close them before leaving room.
  • In warm weather, close blinds to reduce cooling load.
  • Turn off A/C units when room is not in use.
  • Don’t place lamps, TV sets or computers near any thermostat. The thermostat senses heat from these appliances, which can cause the air conditioner to run longer than necessary.

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