How frequently do you use hot water in your home in Flower Mound? If you don’t think you use the heater much, just consider your appliance use. You probably use your dishwasher, shower, and washing machine at least once a day. Because of the frequency you use your hot water, you should take the idea of water heater installation very seriously. A new heater could save you money on your energy bill and make your life better. But, before you install a new heater, find out seven ways you can save money on the installation.