EnerLux fiberglass windows · Portland, Oregon
Strength you feel.
Views you keep.
EnerLux fiberglass windows pair best-in-class performance and luxury with precision fit, customization, long-term durability, and superior thermal efficiency.
Why fiberglass matters
Built to perform beautifully for decades.
Window material affects comfort, efficiency, sound, and long-term performance. EnerLux fiberglass is engineered to resist warping, swelling, and seal loss while supporting strong air and water resistance.
Whether you are replacing one problem window or planning a whole-home project, Zen Windows Portland can help you choose the right configuration, glass, and style.
Three versatile styles
EnerLux fiberglass window styles
Casement windows
Silicone-sealed, chemically bonded corners, triple weather-stripping, foam-filled frames, and a multi-point locking system support performance and comfort.
Fiberglass is eight times stronger than vinyl, allowing casements to be built up to 30% larger than comparable vinyl or aluminum units. FlexScreen and BetterVue mesh come standard.
Awning windows
Hinged at the top and opening from the bottom, awning windows are a smart choice for ventilation during light rain. They share the same durable fiberglass construction, bonded corners, triple weather-stripping, foam-filled frames, and thick glass as the casement line.
Picture windows
Choose Fixed Casement designs that coordinate with operating windows or a slim 1.5-inch Low Profile frame that maximizes glass area and views. Both pair strong fiberglass frames with energy-efficient insulated glass.
Made for better views
Strength without the visual weight.
Slim profiles, generous glass, and window styles that complement both traditional and modern homes.
A simpler window replacement experience
See what EnerLux can do for your home.
Tell us about your project and get straightforward guidance from Zen Windows Portland.
Contact for an estimate
Change how you see the world from your home when you work with Zen Windows. We revolutionized the way homeowners purchase windows, and have the reputation to prove how successful we’ve been in improving the process.