Install one of the many models of heat-circulating devices available. Return to top of page Hot Water Usage 21. Turn down your water heater temperature if you are going to be away for a long period of time, such as on a vacation. Insulate the water heater tank with an insulation blanket if the outside of the heater is warm to the touch. Be careful not to restrict the flow of dilution air to a gas water heater s draft diverter or restrict the flow of air to the burner.
Newer units are usually well-insulated already.
Drain a half-bucket of water from the bottom of your water heater every few months to remove impurities, rust, and sludge that can collect at the bottom. Insulate hot water pipes to reduce heat loss, avoid freezing pipes, and to help the water heater operate with less effort. Tighten or plug leaking joints in hot water pipes. Replace or repair leaking valves. Install a low-flow shower head.