Existing air leaks and air sealing problem spots are often overlooked. Mentioned on the list of recommendations in the Home Performance Analysis report is "weatherization."
Homes That Perform!
The starting line for reducing your utility costs is to first understand what you’re paying. The U.S. Department of Energy states that 44 percent of your utility energy usage is spent on heating and cooling your home. 33 percent is attributed to lighting, cooking and other appliances, while 14 percent is spent on heating your water, and lastly, 9 percent is consumed by your refrigerator.
Getting an increase in energy efficiency alone is not usually an economically valid reason to consider furnace replacement as long as your furnace is still in relatively good working condition. We generally recommend replacing your older model furnace if any of the following situations apply: