10. Turn down your thermostat. For every degree you lower your heat in the 60-degree to 70-degree range, you'll save up to 5 percent on heating costs. Wear warm clothing like a sweater and set your to 68 degrees or lower during the day and evening, health permitting.
9. Furnace maintenance/tune ups. Now is also the time for a furnace "tune-up." Keeping your furnace clean, lubricated and properly adjusted will reduce energy use, saving up to 5 percent of heating costs.
8. Reduce hot water heater temperature. Set your water heater to the "normal" setting or 120-degrees Fahrenheit, unless the owner's manual for your dishwasher requires a higher setting. Savings are 7-11 percent of water heating costs.
7. Seal up the leaks. Caulk leaks around windows and doors. Look for places where you have pipes, vents or electrical conduits that go through the wall, ceiling or floor. Check the bathroom, underneath the kitchen sink, pipes inside a closet, etc. If you find a gap at the point wher[...]