Energex Series

Multi-wide Double Hungs with Picture window transoms

With more than 30 years of innovation, the Energex window is one of the world’s most durable and efficient window systems. Enhance the beauty, value, and efficiency of your home with one of the market’s highest quality products. With nearly maintenance-free service, you’ll be able to enjoy your beautiful new windows with little upkeep.


  • Beautiful sculpted detail around sash and frame improves the appearance of your window.
  • Integrated lift handle makes for easy operation and no weakening, unlike screw handles.
  • All new sash-to-sill interlock design dramatically improves structural quality and strength.
  • Flexible packages customized to fit all needs.


  • Exclusive triple seal sash weather stripping offers 50% more weather stripping than traditional vinyl windows, and forms a solid barrier against air, water, dust, and noise.
  • State-of-the-art insulated glass provides superior thermal performance and reduced sound infiltration.

Function and Security

  • Revolutionary “Dual-Tech” lock-n-tilt mechanism simplifies sash tilting and cleaning while offering a cleaner look.
  • Constant Force balance system ensures effortless raising and lowering of the sash. Stop struggling to open and close your windows.
  • Dual night latches allow you to maintain security while the window is both closed or open to allow ventilation.

Thermal Performance

Panes Glazing Gas Spacer U-Value SHGC R-Value
Double Low-E Air Aluminum 0.36 0.30 2.78
Double Low-E Argon Super Spacer 0.29 0.30 3.45
Triple Low-E Argon Super Spacer 0.22 0.27 5.00 (eq)

Structural Performance

  • Design Pressure rating DP-55
  • Air Infiltration – 0.11 cfm/ft2
  • Water Penetration rating – 8.36 psf

Glass Options

  • Low-E, Argon and Super Spacer for maximum thermal efficiency.
  • Colonial, Prairie or Diamond Grids available between the panes of glass for ease of cleaning.
  • Custom Grid designs are also available.

Color Options

  • White or beige vinyl – in and out.
  • Bronze or Cocoa exterior with a white interior.
  • Natural Oak, Colonial Cherry, London Walnut woodgrain interior with a white exterior.
  • Barrister Oak woodgrain interior and either a white or beige exterior.
  • Custom Paint Matching also available.

Screen Options


  • Double Hung
  • Double Slider
  • Triple Slider
  • Casement
  • Awning
  • Picture Window (fixed)

About Energex

For more information, please download our Energex brochure

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