Everyone enjoys a hot shower - but what is too hot for your water? How much energy does it take to heat the water and keep the temperature tap ready? How can you save money and still have hot water on demand? These questions and more are answered on the U.S. Department of Energy's website along with additional energy saving tips. In this helpful video from them you can learn step-by-step instructions on how to effectively insulate your water heater tank, saving you energy plus money.