Water consumption in most households involves several water outlets. However, showers consume the largest quantity of water in most households. So, just by installing efficient shower heads, the total cost of water consumption can be reduced significantly.
Efficient shower heads and faucet restrictors can also help households not to exceed the extra water consumption limits imposed by some Water Authorities, thereby refraining from paying steep tax levies. Add to this, the savings associated with water heating and sewage costs, the overall savings are more than significant.
Here is an example of the savings in cost of water and energy in a typical residential household indicating the feasibility of investment in these shower heads and faucet restrictors: