The 500 Series Insul-Tec double hung window is not only beautiful, durable and energy efficient but is one of our top sellers. Highly recommended by contractors and homeowners alike. If you want a great window and a great price start here with the double pane clear glass.

  • 3┬╝" Deep welded frame curved colonial exterior a beautiful, strong long lasting performance.
  • Heatseal┬« warm edge spacer drastically reduces the possibility of condensation on the inside of the window. 
  • Available in 4 exterior colors
  •  Perfect double hung for new Construction or as a replacement window.
  • Schedule a free quote today.
          Energy Star Comparison To
Glazing Option U-Value SHGC VT CR Minimum* Energy Star Minimum
Dual Glazed              
Clear Glass 0.46 0.61 0.63 45 0.30 Does not qualify


    Industry Comparison To  
  Our Windows Minimum Industry Minimum  
AAMA Rating R50 R15      
Air Infiltration cfm/ft2 0.02 0.3        1500% Better
Water Penetration mph   54 33           64% Better  
Structural Integrity mph 171 94           82% Better