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Glass Options

We at ECO Window Systems are always thinking the best options for our customers. We believe that the security is priceless and choose the correct Glass Options is crucial for your satisfaction. With this in mind, we offer only glasses that meet certain requirements and standards of fabrications. Contrary to other companies we use only HEAT STRENGTHENED GLASS in all our products guaranteeing the high quality and security that you deserved.

Available Glass Types

Laminated heat strengthened glass Laminated Insulated glass - Argon gas filled
temperedlaminate laminatedinsulatedglass
* Not available for Eco-Guard Series 50, Series 60 and Series 300

Glass Color Tint

/ / / Clear Green
Gray Azuria

Inter-Layer Color

/ / / Clear


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Low-E coating define when the glass is really energy efficient. In short, Low-E means low emissivity, or more precisely, low thermal emissivity. So yes, Low-E windows are energy efficient because any material that reflects, absorbs, and emits radiant energy is going to save energy.

LoE 340


When it comes to reducing solar heat gain from the blazing sun, LoĒ³-340 simply has no equal. And because it’s not tinted, you enjoy a number of other advantages as well. First, there’s the cost savings of no tint. Then you avoid the disadvantages of tinting: the potential for thermal stress breakage and the potential need to heat treat the glass.

Tinted glass has several other glaring deficiencies. Regular tinted glass works by absorbing sunlight, so the glass becomes hot in the sun. The color of the glass also changes with its thickness. On the other hand, LoĒ³-340’s appearance and performance remain the same regardless of glass thickness.

What's more, LoĒ³-340 has a very high LSG (light to solar gain ratio) of 2.17. So even though solar gain is being controlled, plenty of visible light is still allowed inside. (NOTE: LSG based on 340/clear with 3mm glass thickness.)


LoE 366


When the temperature soars, ordinary window glass just can’t handle the heat. And tinted glass spoils the view. LoĒ³-366, however, has been specially formulated to reject the sun’s heat without affecting the view. It lets more light in and keeps more heat out. So your home stays cool and comfortable. Our patented LoĒ³-366 coating provides the ultimate in performance of all our LoĒ products.

What’s more, LoĒ³-366 provides exceptional fading protection as well. It blocks 95% of the sun’s damaging ultraviolet rays (a leading cause of fading), so it will help your furniture, carpets, curtains and wall coverings stay beautiful for years to come.

LoĒ³-366 adds a third layer of silver coating. Result: a clear coating that blocks even more solar gain, reflects heat, and lets the light stream in. LoĒ³-366 actually outperforms the tinted glass often used in warm climates.

LoĒ³-366 can be purchased in hurricane-resistant laminated glass, as well as in a variety of shapes and sizes.