Ceiling Fan In the winter: If your ceiling fan has a switch that allows you to reverse the motor, you can operate the fan at a low speed in the opposite direction. This produces a gentle updraft, forcing warm air near the ceiling down into the living space.
In the summer: Run the blades counter-clockwise (downward) to cool more efficiently. Turning up the thermostat by just two degrees and using your ceiling fan can lower AC costs by up to 4-6 percent over the course of the cooling season. Don't forget to turn the ceiling fan off when you leave the room.
Fireplace Make sure your fireplace has tightly fitting dampers that can be closed when the fireplace is not in use. Seal hidden air leaks in your chimney. If you have a gas fireplace, turn off the pilot light when not in use.
Lamps Put lamps in corners of rooms where they can reflect light from two wall surfaces instead of one. Use compact fluorescent bulbs in fixtures that are on for more than two hours a day. Compact fluorescent bulbs use up to 75 percent less electricity. They also last about 10 times longer.
Entertainment Center The average home uses 25 electronic products, accounting for up to 15 percent of household electricity use. TVs, DVD players, video games, and cable boxes can create more than 1,600 pounds of CO2 each year. Turning these products off when they're not being used can save 240 pounds of CO2.
Better still, switching to electronic equipment with the ENERGY STAR® label will help save additional energy even when the device is turned off.
Windows In warm weather, close your blinds and curtains during the hottest part of the day. During cold weather, keep curtains open during the daylight hours to take advantage of the sun's warmth.