See the section on appliances to learn about water-saving appliances. You can achieve a significant savings in overall water use and hot water use in particular by installing low-flow showerheads and faucets. To see what new showerheads can do for you, go to our shower worksheet . While you're replacing your old showerheads and faucets, take the time to also repair leaky faucets and showerheads. You can also save water by taking more showers than baths.
Baths use the most hot water in an average household.
You use 15 to 25 gallons of hot water for a bath and less than 10 gallons during a 5-minute shower.