YKK. Two of the maker’s window lines have received Green Approved Certification for the NAHB National Green Building Standard. With the certification, Precedence vinyl replacement windows and StyleView new construction windows and doors can contribute up to 15 points toward the program’s green building certification. Additionally, Precedence replacement windows qualify for federal energy efficiency tax credits through 2010 for meeting 0.3 U-factor and 0.3 solar heat gain coefficient requirements. 800.955.9551. www.ykkap.com.