Check the temperature of your refrigerator and set it between 38 and 42 degrees. Unplug all appliances that are not in use. They use up to 75 percent less energy than regular light bulbs. Microwave ovens use much less energy than conventional ovens. Install a low-flow showerhead.
Showers use less hot water than baths.
Close your fireplace damper and seal the opening shut when not in use. A highly efficient appliance will save you money over the lifetime of the appliance.