http://www.originalgreenbags.coomThe latest green tips.Copyright 2008 Original Green Bags. All rights reserved.Do a home energy audit. This survey analyzes your home’s structure, appliances and insulation, as well as your family’s lifestyle. Alliant Energy offers a free audit called My Home Comfort Check Up that provides a personalized report detailing specific ways to save energy throughout your home.1/5/2009 12:00:37 AM Change or clean your furnace filter once a month. Dust and dirt can quickly clog vital parts, making your furnace run harder and eventually break down.1/5/2009 12:00:37 AMHave your heating system inspected regularly especially if it’s natural gas. A $50-100 annual tune-up can help reduce your heating costs by up to five percent.1/5/2009 12:00:37 AMInstall a programmable thermostat. If you use it to set back the temperature by 10 degrees for eight hours every night, you’ll lower your heating bills by 10 percent. A digital thermostat can pay for itself in energy savings in less than a year.1/5/2009 12:00:37 AMDon’t set the thermostat higher than you actually want it. It won’t heat your home any faster, and it will keep your furnace running longer than necessary. 1/5/2009 12:00:37 AM