Flick the switch
You can quickly reduce energy use and greenhouse gas emissions by flicking the switch on lights, your computer, television, and other electronic equipment when these items are not actively in use. Do not forget to place your computer on stand-by when not in use for a short period of time or off if you will not be using it for a while. |
| Unplug |
| Laptop and cell phone chargers, TVs, stereos, and other electronics continue to draw electricity from the grid when plugged-in. Unplug your laptop and cell phone charger when you are not charging the batteries. Also, unplug your TV and stereo when you go out of town for a few days. |
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| Temper your temperature |
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On-campus: If you have a thermostat, in the winter months turn it down when you leave for the day and at night before you go to bed. Before raising the temperature, first layer with warmer clothes. |
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Off-campus: If you have a thermostat, in the winter months turn it down when you leave for the day and at night before you go to bed. If you lower your thermostat by 1º Fahrenheit over 24 hours, you could save about 3% on your heating bill. |
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| Put your PC to sleep |
| Activate power management features on your personal computer. Power management features "place inactive monitors and computers (CPU, hard drive, etc.) into a low-power sleep mode." This takes less than 10 seconds and can lead to annual electricity and cost savings of roughly 675 kWh and $34 per computer! This electricity reduction is equivalent to preventing the emissions of 965 lbs of CO2. (Savings estimated using ENERGY STAR's savings calculator and assuming Yale's marginal electricity cost, $0.51/kWh.)
Program your computer to save energy More |
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| Purchase ENERGY STAR® products |
 Look for the Energy Star label when buying electronic equipment and appliances. This program certifies equipment meeting specific quality and energy efficient criteria set by the U.S. Environmental Protection Agency and U.S. Department of Energy. Once certified, these products receive the ENERGY STAR® label. The ENERGY STAR® website provides specific information on labeled products in over 40 categories of office equipment, appliances, home electronics, lighting, heating and cooling, and commercial food service products. By choosing energy efficient products, you reduce electricity use and greenhouse gas emissions, while also saving money in the long run.
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