8 Ways Your House Loses Energy
If you are a homeowner and are even remotely concerned about energy efficiency, I have good and bad news for you. First the bad news: if your home is more that 5 years old, chances are your house is drafty, leaky and loosing energy. Now the good news: Tightening up your house is not that hard to do-really! A good starting point is knowing were houses typically lose energy. In many cases the remedy for a leaky house consists of a few cans of expansion foam, caulking, and some weather stripping.

Statistics provided by the Department of Energy