Showerhead Overview 
For Electric & Natural Gas Customers

For maximum water efficiency to reduce your electric or natural gas hot water heating cost, select a shower head with a flow rate of less than 2.5 gpm.

There are two basic types of low-flow showerheads.
  • Aerating showerheads mix air with water, forming a misty spray.
  • Laminar-flow showerheads form individual streams of water. If you live in a humid climate, you might want to use a laminar-flow showerhead because it won't create as much steam and moisture as an aerating one.

If you have a showerhead that was purchased before 1992, some showerheads had flow rates of 5.5 gpm. Here's a quick test to determine whether you should replace a showerhead:

  1. Place a bucket, marked in gallon increments, under your showerhead.
  2. Turn on the shower at the normal water pressure you use.
  3. Time how many seconds it takes to fill the bucket to the 1-gallon (3.8 liter) mark. If it takes less than 20 seconds to reach the 1-gallon mark, you could benefit from a low-flow showerhead.

The link provided below goes to a web page with a video mainly produced by third parties to educate a public audience.

showerhead, water efficiency,
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