If you are looking for inexpensive ways to save water and a little energy, new faucet aerators may provide the most bang for the buck. Faucet aerators are an inexpensive item. Basic bathroom faucet aerators start at about $1 each and prices go up depending on the features you desire. All faucet aerators manufactured in the U.S. must use 2.2 gallons per minute (gpm) or less.
Source: City of Roanoke, VA
Accessed September 5, 2003, by permission.
The water, wastewater, and energy saving benefits you get from installing new faucet aerators is primarily determined by your current aerators. But since faucet aerators are cheap and the water savings are well documented, it’s a safe bet that you will pay for your aerator investment in less than two years.