Kiplinger's has a list of 15 quick, cheap and easy ways to cut your electricity, heat and water use while also cutting your expenses by hundreds of dollars.
Compact fluorescent bulbs
Appliances that include a clock or operate by a remote, as well as chargers
Is your coffee mug more insulated than your water heater?
SERVICE THE FURNACE
An Energy Star programmable thermostat ($70 at www.livingincomfort.com)
Use cold water to wash your clothes and save 50% of the energy
Set your water heater at 120 degrees Fahrenheit.
Install occupancy sensors or timers on lights in areas you use only occasionally
Install a low-flow shower head

check it all out:
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