! ! ! Case  Study-­-  Vinyl  window  ?ll       Problem:   A  large  vinyl  window  manufacturer  needed  to  quickly  increase  the  overall  insula9on  R-­- value  on  a  par9cular  line  of  windows  in  order  for  the  product  to  be  eligible  for  newly   introduced  federal  tax  credits.  Without  this  cer9?ca9on  they  would  miss  out  on  the   consumer  rush  to  upgrade  windows  while  taking  advantage  of  the  tax  savings.  

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