High Performance Fiberglass Windows

Casement, Awning, Fixed & Picture


when only the best of the best will do

Enerlux offers casement, awning, fixed casement and picture window models. Our high performance fiberglass windows feature:

Pultruded fiberglass frame and sash with corners that are siliconed sealed and chemically bonded together utilizing our proprietary two component adhesive. The chemically bonded corners create a stronger window with better quality miters.

Thick walled fiberglass pultrusions with a closed frame instead of an opened frame. The closed frame design creates a much stronger and more rigid window when compared to the industry norm of open framed fiberglass windows.

Foam filled frame and sash designed to increase the energy efficency of the window.

Triple weather-stripping using top quality Qlon foam seals provide an air and water tight perimeter that does not shrink or expand with temperature fluctuations.

Slim line design of our contemporary low profile picture window frame measures only 1.5″ tall, which provides more glass area for a bigger, brighter, and cleaner view.

Multiple color options using Sherwin Williams Polane S Plus commercial grade polyurethane enamel coatings.

Multi-point locking system keeps the casement and awning windows closed tightly against the elements with one simple operation.

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Folding handle allows for various interior window treatments with no interference from the attractive handle.

Customized glass packages using energy efficient, solar tuned Cardinal double pane and triple pane IGUs.

NFRC and Energy Star Tested to guarantee the ultimate in energy efficiency.

Custom Manufactured for your home so you can be assured of a perfect fit.

20-Year Waranty covers the entire window and labor. No hidden charges, plus it’s transferable. This means new windows for your home and peace of mind for you.

Benefits of Fiberglass

Stronger: It is 8x stronger than vinyl and 2x stronger than aluminum.

More Energy Efficient: 500x lower thermal conductivity than aluminum, so it doesn’t allow heat or cold from the outside into your home.

Longer Lasting: Almost zero thermal expansion rate (essentially the same rate as glass) means tighter seals against weather and longer lasting.

Lower Maintenance: Virtually maintenance-free frames stay true to form due to strength of materials. No need for sanding, painting, or staining.

Environmentally friendly: Our material uses less embodied energy and resources to manufacture. Made from partially recycled materials.

More Durable: Won’t discolor, warp, rot, corrode, dent, or rust. Can withstand winds up to 203 mph, and does not absorb moisture.

Slimmer in profile: Because of the strength of the fiberglass, the frames are slimmer allowing more visible glass area in each window.

Unlimited in Design Possibilities: Offered in virtually unlimited colors and an interior wood veneer.

Insulated Glass Packages

LoE 180
LoE 2 270
LoE 3 366
LoE 3 340

For more information on our energy efficient insulated glass packages, click here.

Insulated Glass Packages

Neat Glass
Preserve Glass

For more information on our glass upgrades, click here.

Decorative & Tinted Glass Options
Color Options
Hardware Options
UltraVue Screens
Decorative Grilles
Minimum and Maximum Dimensions
AAMA Test Ratings
Cross Section Drawings
  • Testimonials

    • "After extensive research, EnerLux was the only company I found that provided a passive solar window with a good U value at a fair price."



      Leslie Z. (Hastings, NE)

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    • "I am extremely impressed by Enerlux's high quality craftsmanship and attention to detail. Their integrity has shown through in all aspects of our work together. I will definitely be contacting them again when I replace the rest of my windows."



      Marcia B. (Omaha, NE)

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    • "The windows look great and they operate so much easier than my old ones."



      Jean E. (Clarinda, IA)

      Job Position at Company

    • "Just an update to tell you that the other day my wife said whatever I paid for the shower window, it was well worth it.  Thanks again."



      Bruce H. (Glen Ellen, CA)

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    • "If you ever need someone to represent EnerLux Windows & Doors on the East coast, just let me know.  You provide some of the best quality product I have ever seen."



      Mark C. (Erlanger, KY)

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    • "I appreciate the time everyone gave to show the process of building the best built window on the planet! I am making calls and telling my customers to hold up, I found something much better and it will be worth it."



      Travis B

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