High-Performance Windows

The Energy Star Most Efficient 2013 Designation recognizes the most efficient products among those that qualify for Energy Star. For more information go to the Energy Star website.

Most Efficient

  • Alside Inc.
  • American Exteriors
  • Associated Materials Inc.
  • Capitol Glass/Northern Windows
  • Champion Window
  • Earthwise Windows and Doors
  • Envirogreen Windows and Doors Inc.
  • Grupo Eurowindows Mexico
  • Ideal Window Manfuacturing Inc.
  • Interstate Window and Door
  • Jeld-Wen Inc.
  • Joyce Manufacturing Co.
  • Kolbe Windows and Doors
  • Lincoln Wood Products/Timeline Vinyl Products
  • Marvin Windows and Doors
  • Mathews Brothers Company
  • Mercer Industries Inc.
  • Mercury-Excelum
  • MI Windows and Doors
  • National Vinyl LLC
  • NT Window Inc.
  • Pella Corp.
  • Polaris Technologies
  • Rosati Windows
  • Seven D Industries
  • Soft-Lite LLC
  • Sunrise Windows
  • Value Windows and Doors
  • Vista Window Co.

Passive Windows

  • Alpen High-Performance Products
  • Inline Fiberglass
  • Intus Windows
Additional companies who offer high-performance windows:

  • Advanced
  • Alpen High-Performance Products
  • Andersen
  • Anlin Window Systems
  • Armaclad
  • Atrium
  • BF Rich
  • Clear Concepts
  • Crystal Windows
  • Earthwise Windows and Doors
  • EnerLux Windows
  • Four Seasons
  • Gilkey
  • Gorell
  • Haddon Windows
  • Harvey
  • Ideal Window
  • Inline Fiberglass
  • Kasson Keller
  • Larson
  • Lindsay
  • MGM
  • Milgard Windows
  • Newpro Manufacturing
  • Newtec
  • Ply Gem
  • Sage Electrochromics
  • Serious
  • SH Window
  • Shwinco
  • Simonton
  • Target Windows and Doors
  • Thermal Industries
  • Thermo-Tech
  • THV
  • Unilux Windows
  • Valley Building
  • Vinylmax
  • Weathervane
  • Windoor Inc.
  • Windows by Unlimited
  • Zola Windows

Attention window manufacturers: If you’re not listed on this page and you offer high-performance windows contact Tara Taffera at ttaffera@glass.com