Here is why you should purchase a low-flow shower head. Did you know that shower heads are the second heaviest water users in your home? Plus it is a major energy user because 70% of the water used in it is heated. Purchase a low-flow showerhead. By reducing hot water consumption, a low-flow unit can pay for itself in just one month. You don’t have to settle for subpar water pressure either. Today’s water efficient showerheads use new technology to provide a high flow feel. De Hart Plumbing, serving Manhattan Kansas, Junction City Kansas and Wamego Kansas.