1. User
   1. Provider
   2. Homeowners
   3. Hotels
   4. Dorms
2. Energy waste
   1. Showering drives almost 17% of water use in homes,but 20% of that is wasted.
   2. shower warm-up waste
      1. Hot water heater let water heating itself accounts for 17% of total home energy
      2. Bigger house with longer pipes cause hot water taking longer time to arrive at the shower
3. Team Members:
   1. Linghong Tang
   2. Xin Su
   3. Kaiwen Xu
4. Causes
   1. Structural waste
      1. Turn on the point and need to wait the water approaches bathing temperature.
      2. High-flow showerhead
   2. Behavioral waste
      1. Do not turn off the water when shave or brush teeth in the shower to save time
      2. Don't have consciousness of saving water
   3. Bathing use
      1. Taking a long time shower
5. Solutions
   1. Current solutions
      1. Many kinds of low-flow showerhead
      2. Make pipes warmer
      3. Water saving tips on the website
      4. Shower Manager：Shower Timer keeps showers short
   2. Our new solutions
      1. Smart phone application
         1. Record how much water you used in the shower
         2. Setting the water flow by the phone
         3. Give some advices to save water according to the record
      2. Sensor in the showerhead
         1. Calculate water consumption
         2. Connect with LED light
         3. Connect with atomization function when used water flow over the setting
         4. Automatically turn off when people are not around showerhead
      3. Build-in LED light to remind people water consumption
      4. Atomization function