Energex Series

More than 30 years of R&D are forged into each Energex window, resulting in one of the world’s most durable and efficient window systems. Energex windows will enhance the beauty and value of your home while delivering virtually maintenance free service.


  • Beautiful sculpted detail on sash and frame – improves aesthetic appearance
  • Integral, continuous, contoured lift handle – easy operation and won’t weaken like screw-on handles
  • All new sash-to-sill interlock design – dramatically improves structural ratings
  • Flexible configurations for new construction or replacement – products available with or without integral nailing fin and other trim packages.


  • Exclusive triple seal sash weather stripping is 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 provide superior thermal performance and reduced sound infiltration
  • Rugged, fusion-welded, multi-chambered sash and mainframe components provide uncompromising structural integrity


  • Revolutionary “Dual-Tech” lock ‘n tilt mechanism simplifies sash tilting and cleaning while offering a cleaner-looking meeting rail
  • Constant Force balance system ensures effortless raising and lowering of the sash
  • Dual night latches allow ventilation while maintaining the security of a locked window

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)

For more information, please download our Energex brochure