If you are a residential homeowner who is looking to do something positive for your home and protect it from the harsh elements of nature, then one product that you should definitely consider is an exhaust insulation wrap. This is a product that is made of a reflective substance that is applied directly over your exhaust fan and then it is left on for a specified period of time. The reason that this is a good thing is that it helps to protect your home from moisture. It also helps to prevent your furnace from burning out more quickly, which can lead to more electricity usage.