F_EnergexLogo_Window Systems_4color

Thermo Seal is proud to carry and manufacture the Energex Elite™ line of double hung windows. These windows are a favorite of homeowners due to their beauty and ease of use. The two tilting, movable sashes make regular cleaning and ventilation a breeze.

Standard Frame Features

  • Sunshield Vinyl
  • 3 1/4″ Frame Depth
  • Heavy 0.065″ Vinyl Wall Thickness
  • Sloped Sill With Patented Sill Interlock
  • Beveled Exterior For A Beautiful, Bold Appearance
  • Replacement or New Construction Frames

super-spacer-windowStandard Glass Features

  • Double Strength Glass
  • Super Spacer Premium
  • High- Performance Guardian 70/36 Soft Coat Low-E
  • 7/8″ Overall Insulated Glass Thickness

Standard Hardware & Miscellaneous Features

  • Constant Force Balance System for Smooth and Reliable Operation
  • High-Performance Triple Fin Weatherstripping
  • Ecoban Coating Applied To Weatherstripping To Help Protect against Pollen, Mold, and Bacteria
  • Innovative Lock and Tilt Latch system For A Clean, Unobstructed Meeting Rail
  • Integral Interlocking Sashes1
  • Extruded, Ergonomic Lift Rail
  • Full Screen Built With Flex Screen™ And Fiberglass Mesh
  • Dual Bulb Seal At Sill
  • Innergy™ Fiberglass Reinforcement At Meeting Rail4
  • Exterior Glazed
  • Energy Star Certified In Most Areas

nfrc logo goodStandard Certified Window Performance Numbers

  • U-Value – 0.28 (Higher Efficiency options available)
  • Air Infiltration – 0.05 cfm
  • Water Penetration – 8.35 psfenergystar logo3
  • Condensation Resistance – 61

Additional Performance Numbers (48 x 75) Window

  • DP-55 (Design Pressure Rating)
  • LC-40 (Light Commercial Rating)
  • AAMA 101

The Best Warranty in the Window Business

  • Lifetime Warranty On The Vinyl Against Cracking, Splitting, And Yellowing
  • Lifetime Warranty On Insulated Glass Units Against Stress Cracks And Seal Failure
  • Lifetime Warranty On Screens and Hardware

You can also check out more window styles and specifications by clicking and downloading the brochure below:

View the Energex Elite Brochure (pdf)


Energex Elite windows are also available in the following window styles:

Energex Elite Horizontal Slider

Energex Elite Picture Window

Need more choices? We also offer the following window styles:

Casement and Awning

  • Garden Windows
  • Bay and Bow Windows
  • Architectural Shapes

For instructions on how to install our windows, please click below:

Replacement Window Installation Instructions (pdf)

New Construction Window Installation Instructions (pdf)

More Information About The Energex Elite Windows

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