800 Series - Enviro-Star - Sliding Window - Triple Glaze with ESP

The double pane Deluxe Enviro-Star 800 Series sliding window with heavy duty foam filled frame is a high-end replacement slider that combines beauty and durability. If you are considering replacing your sliding windows consider the total value of these windows. Let Wonder Windows show you the difference between our windows and any other manufacturer.

  • 13% Better U-Value than Energy Star┬« minimum
  • 600% Better Air Infiltration protection
  • Wide selection of hardware options
  • Superior craftsmanship
  • Full integral interlock with double weather-stripping.
  • Full 3┬╝" Depth Welded Mainframe
  • Beveled colonial exterior features
  • Available in standard and custom exterior colors
  • Maintenance free, for years of long lasting performance.
  • Heatseal┬« warm edge spacer system for excellent thermal efficiency and drastic reduction in the possibility of condensation on the inside of the window.
  • Available in Replacement and New Construction applications.
          Energy Star Comparison To
Glazing Option U-Value SHGC VT CR Minimum* Energy Star Minimum
Dual Glazed              
Clear Glass 0.45 0.57 0.60 46 0.30 Does not qualify
With ESP 0.28 0.28 0.52 63 0.30    7% Better
Deluxe 0.26 0.28 0.52 63 0.30  13% Better
Triple Glazed              
With ESP 0.22 0.25 0.41 73 0.30  27% Better
Deluxe 0.20 0.25 0.41 73 0.30  33% Better
Deluxe/krypton Gas 0.16 0.25 0.41 75 0.30  47% Better

 

      Industry Comparison To  
  Our Windows Minimum Industry Minimum  
               
AAMA Rating R 50 R 15      
Air Infiltration cfm/ft2 0.05 0.3  600% Better
Water Penetration mph   62 33  88% Better  
Structural Integrity mph 171 94  82% Better