If you have benn thinking about replaceing that picture window in your great room, the Okna 800 Series double pane Delux is a top pick. Your home deserves a long lasting and energy efficiency solution. All at a price you can afford.

  • 17% Better than Energy Star® minimum
  • 3000% Better AI rating (Air Infiltration)
  • All Okna windows feature a fully welded frame 
  • Lower condensation higher efficiency
  •  Many glass options available 
  • Lower those heating costs
Glazing Option U-Value SHGC VT CR Minimum* Energy Star Minimum
Dual Glazed              
Deluxe 0.25 0.31 0.56 46 0.30 17% Better


  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