This is the top of the line casement window. The triple pane Deluxe with Krypton Gas provide the best performance in the 700 series. When you compare these performance ratings against all other windows regardless of price this Okna 700 just can't be beat. 

  • 47% Better U-Value than Energy Star® minimum
  • 3000% better air infiltration protection
  • Choose the Grid option between glass available in popular styles
  • Fully welded frame & sash with triple weather stripping 
  • Easy operation easily adjustable
  • 4 exterior color options plus custom colors available
  • Top performance ratings in the 700 Series
Glazing Option U-Value SHGC VT CR Minimum** Energy Star Minimum
Triple Glazed              
Deluxe/krypton Gas 0.16
75 0.30 47% Better
 * Values with GBG (Grids Between Glass)


Our Windows (33"x64") Minimum Industry Minimum  
AAMA Rating R 70 R 15      
Air Infiltration cfm/ft2   0.01   0.3 3000% Better
Water Penetration mph   N/A   33   Better  
Structural Integrity mph   N/A   94   Better