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OKNA 700 Performance - Casement Windows

These ultra-durable and highly stylish vinyl windows are loaded with features and design innovation, making them a wonderful option for homes in Western NY.  Their strength is derived from a heavy duty welded frame, and triple-strength weather stripping with Argon gas.

Overview - Options & Accessories - Performance

Saver

Enjoy the peace of mind that comes from receiving solid thermal protection with the Wonder Saver Casement window. Its welded frame and Argon gas yield a U-value of 0.28, which is 13% better than the industry standard. The number one rated non-metal warm edge Heatshield systemdrastically reduces condensation. Clean, modern lines mean a good look for your home.

Choice

Practical, elegant, versatile, the Wonder Choice is our most popular Casement window.

With a sturdy vinyl frame filled with protective insulating foam, triple weatherstripping  and Argon gas, the Choice Casement  delivers energy savings  a U-value of 0.25 that is 17% better than the industry standard for Casement windows. Its number one rated non-metal warm edge Heatshield system drastically reduces condensation. Beveled colonial exterior profile provide an elegant look.

Performance Options Available

          Energy Star Comparison To
Glazing Option U-Value SHGC VT CR Minimum* Energy Star Minimum
Dual Glazed            
with ESP 0.26 0.27 0.50 63 0.30 13% Better than ENERGYSTAR®
with 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 0.45 610.30    
Triple Glazed            
with ESP 0.20 0.24 0.39 71 0.30 33% Better than ENERGYSTAR®
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
Deluxe w/Grids Between Glass 0.20 0.22 0.35 70 0.30  
Deluxe/krypton Gas 0.16 0.24 0.39 75 0.30 47% Better than ENERGYSTAR®
Deluxe/krypton Gas w/Grids Between Glass 0.16 0.22 0.35 75 0.30  
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 (33x64) R 70 R 15  
Air Infiltration cfm/ft2 0.01 0.3 3000% Better
Water Penetration mph   33  
Structural Integrity mph   94