A Vision of Excellence

About Energex Window Systems

The Energex Window Alliance is a national network of locally-owned, independent window manufacturers. The Energex alliance was formed by several independent window manufacturers who build Energex windows. After noticing the obvious advantages Energex windows provide, we joined forces to bring homeowners windows that are far superior when it comes to design – windows that combine high-end structural durability and performance at an affordable price. Find us online here.

Energex Window Advantages

Energex windows are designed to deliver superior energy efficiency and long-term performance. Here are some of the benefits you’ll get when you install Energex windows:

  • Energy Star® qualified to keep your home snug
  • One of the best air infiltration ratings in the industry (low air leakage)
  • SunShield Vinyl® anti-weathering technology
  • Premier performance (beauty & durability)
  • Super Spacer® all-foam insulating glass spacer
  • Innergy™ Rigid Thermal Reinforcements
  • Strong warranty – we stand behind our windows

Energex Windows Combine Quality and Value

Energex windows, built by our national network of manufacturers, provide the ideal combination of quality and value. We are deeply committed to providing the best customer service and the highest quality windows in the industry.


Contact an Energex manufacturer today and we will be happy to speak with you about the best windows for your home.