Myths and Facts about Operating Your Water Heater There are quite a few myths surrounding the idea of saving money on your water heater, and more specifically whether or not reducing the water temperature will save you money. Here’s a list of some of those myths and whether or not they are accurate. 1. It’s best to leave the hot water heater on at all times rather than turning it on and off. This is a very common myth, but you actually don’t need to be heating your water constantly. As long as your tank has a good insulating jacket, your water will remain hot all day. By not having…