700 Series Casement Windows - Dual Glazed with ESP

The Energy Saver Package (ESP) version of the Okna 700 Series Casement window provides even more energy efficiency.  

  • 13% Better U-Value than Energy Star® minimum
  • 3000% better (AI) air infiltration protection
  • Grid option between glass
  • Fully welded frame & sash with triple weather stripping 
  • Easy operation easily adjustable
  • 4 exterior color options plus any exterior can have custom color.
  • Full screen (fiberglass mesh)
          Energy Star Comparison To
Glazing Option U-Value SHGC VT CR Minimum** Energy Star Minimum
Dual Glazed              
With ESP 0.26
(0.26)*
0.27
(0.25)*
0.50
(0.45)*
63 0.30 13% Better

 * Values with GBG (Grids Between Glass)

      Industry Comparison To  
  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