Most people probably don't realize the money that is wasted on their electric billas well as natural gas or propane. Some estimates state that some single-family homes could cut their total energy usage by as much as 40%!!Of course, if you installed a solar water heater, all EnergyStar applicances, changed to CFL lighting, got rid of phantom power devices, and just made smart choices, like turning off electrical devices when they're not being used, it wouldn't be that hard to do.Although it doesn't exactly pertain to your home, did you know that if every EXIT sign in the United States was replaced