3. Year-end cost reduction of over $14,500

Before

Overview - reduce HVAC costs
      Installation -  June/2007
      Applied -  Roof (31645.9 ft² 2940 ㎡)
     Region -  Nagano Prefecture, Japan
     Color -  White (N-95)

After

Results
     Summer -  Ceiling temperature decreased by 68°F (20℃)
     Summer/Winter - Air conditioning effectiveness increased

Year-end cost reduction of over $14,500

Electricity savings comparison
Summer vs. Winter
     Before - Orange
     After - Blue
Summer Reduction
     July - 15%
     Aug - 4%
Winter Reduction
     Nov - 19%
     Dec - 21%
     Jan - 16%