With a ceiling fan, you may be able to set it at 80 and feel comfortable. In winter set your thermostat at 68 degrees. Use efficient heating and cooling equipment and have it checked annually. Use the lower settings on three-way lamps. Task lighting in work areas can eliminate the need for whole-room lighting.
Night lights use less electricity than leaving higher wattage lights on at night.
Install outdoor and security lights with a photoelectric switch that turns them on at night and off in the morning. Insulating your attic can save you up to 30 percent on heating and cooling costs. Caulk areas of your house where two different materials or parts meet. It's available in spring metal, rolled vinyl or with adhesive backing. What you'll need will depend on the type of windows and doors you have.