Here is where it gets interesting when looking for superior performance. The 800 Enviro-Star Double hung TRIPLE pane has it all. The deluxe version has outstanding performance and beauty. It just does not get better than this!

  • 33% Better than Energy Star┬« minimum
  • 3000% better Air Infiltration protection compared to Industry Standards
  • Magnetic frame seals to the window to greatly reduce drafts
  • Maintenance free design and construction for longer durability
  • 3 1/4" Depth Welded Mainframe 
  • To lower condensation with  Heatseal┬« warm edge spacer system
  • Double weather-stripping and numerous hardware options for any decor.
  • Includes installed fiberglass mesh half screen with Optional locks
  • Many colors to choose from as well as custom colors
  • Call to have one of our experts help you decide.
          Energy Star         Comparison To
Glazing Option U-Value SHGC VT CR Minimum*              Energy Star Minimum
Triple Glazed              
Deluxe 0.20 0.25 0.42 72 0.30   33% Better


      Industry Comparison To  
  Our Windows Minimum Industry Minimum  
AAMA Rating R 60   R 15      
Air Infiltration cfm/ft2 0.01     0.3          3000% Better
Water Penetration mph 59    33             79% Better  
Structural Integrity mph 187     94            99% Better