800 Series - Enviro-Star - Double Hung - Dual Glazed with ESP

Think energy savings with this double hung 800 Series with ESP - energy saver package. This is a top of the line window at a great price. The beauty of these windows is only surpassed by it perofrmance.

  • 7% 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 décor.
  • 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
Dual Glazed              
With ESP 0.28 0.29 0.53 62 0.30     7% 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