Superior performance and energy savings come standard with the Okna triple pane 400 Precision Weld replacement picture window. If you demand performance and value this is a great option. Spending money on you home is a big decision let the professionals help you decide on an educated investment you may only make once in a life-time. 
  • 33% Better than Energy Star® minimum
  • 3000% Better AI protection
  • A great choice to keep the cold out with excellent thermal efficiency
  • Welded sash & frame for overall durability
  •  Custom made for your home
  • Available in custom exterior colors as well as four standard colors
          Energy Star Comparison To
Glazing Option U-Value SHGC VT CR Minimum* Energy Star Minimum
Triple Glazed              
Deluxe 0.20 0.28 0.46 70 0.30 33% Better


      Industry Comparison To  
    Our Windows Minimum Industry Minimum  
AAMA Rating R 75 R 15      
Air Infiltration cfm/ft2 0.01 0.3  3000% Better
Water Penetration mph 66 33    100% Better  
Structural Integrity mph 210 94    123% Better