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OKNA 750 Performance - Awning Windows

Wonder Saver 750 Series Awning windows remain a wonderful seller here at Wonder Windows in Rochester.  Regardless of which specific model you select, you'll have the assurance of replacement windows that will function smoothly and properly for many years to come.  You can get them in any of our standard colors, or special order them in your choice of thousands of unique shades.

OKNA 750 Series windows are supported by an ultra-strong welded vinyl frame, and triple-reinforced weather stripping.  They are ideal for most types of Rochester homes, and according to scores of users, serve as a substantial way to increase energy-efficiency.

750 OKNA awning windows

750 Series Awning Windows

  • Unmatched air and condensation prevention with triple weather-stripping
  • Stunning lines and clean design make them suitable for all home styles
  • Argon gas-insulated for enhanced thermal efficiency
  • Wide opening and closing range for east care and cleaning
  • Comes with standard performance-grade mesh half-screen
  • Wonder Windows most popular energy-efficient performance window
  • Beveled outlines and edges are timeless & elegant appearance
  • Has a U-value rated at a very low 0.25 
  • High performance corrosion-resistant exterior and hardware
Overview - Options & Accessories - Performance
 

Performance Options Available

          Energy Star Comparison To
Glazing Option U-Value SHGC VT CR Minimum* Energy Star Minimum
Dual Glazed            
ESP 0.26 0.27 0.50 63 0.30 13% Better than ENERGYSTAR®
ESP w/Grids Between Glass 0.26 0.25 0.45 63 0.30  
Deluxe 0.25 0.27 0.50 61 0.30 17% Better than ENERGYSTAR®
Deluxe w/Grids Between Glass 0.25 0.25 0.45 61 0.30  
Triple Glazed            
with ESP 0.20 0.24 0.39 71

0.30

33% Better
with ESP w/grids Between Glass 0.21 0.22 0.35 71 0.30  
Deluxe   0.20 0.24 0.39 70 0.30 33% Better than ENERGYSTAR®
Deluxe w/Grids Between Glass 0.20 0.22 0.35 70 0.30  
Deluxe w/krypton 0.16 0.24 0.39 75 0.30 47% Better than ENERGYSTAR®
Deluxe w/krypton w/ Grids Between Glass 0.16 0.22 0.35 75 30  
U-Value, SHGC, VT, CR values may slightly change for windows made with GBG (Grids Between Glass)
  • SHGC - Solar Heat Gain Coefficient
  • VT - Visible Transmittance
  • CR - Condensation Resistance
  • Deluxe - ESP & Foam
  • * Northern Climate Zone
    Industry Comparison To
  Our Windows Minimum Industry Minimum
AAMA Rating   R 15  
Air Infiltration cfm/ft2   0.3  
Water Penetration mph   33  
Structural Integrity mph   94