Glass Information

EnerGuard offers a wide variety of glass options for your new windows; from dual to triple pane, clear or obscure, with or without grilles (see GRILLES). We manufacture a high efficiency window that has been engineered with support in place for triple glazed units. Our glass is manufactured by AGC Flat Glass North America, one of the leading suppliers to the North American construction marketplace. AGC provides us with the most technologically advanced products available today. Non-conductive EdgeTech Super Spacer®, argon filled air chambers and low-e coatings offer the latest in performance and technology in your glass.


Comfort E2™ vs. Comfort Ti-AC40™

We offer 2 different types of low-e coating in our windows, Comfort E2 or Comfort Ti-AC40. Whether your goal is to have a greater solar heat gain or a greater insulating value, our design team can help you choose which of these options will suit you best.


Comfort E2
(information based on triple glazed units)

  • engineered for increased solar heat gain, allows free solar heat to enter
  • reflects heat back into room
  • blocks as much as 65% of re-radiated heat from entering home in summer
  • 31% U.V. transmittance
  • R-value of 4.6 at center of glass, with single coating and one argon gas filled air chamber (R-value of 6.3 at center of glass can be achieved with 2x coating and two argon gas filled air chambers)


Click to See Enlarged Chart

Comfort Ti-AC40
(information based on triple glazed units)

  • engineered to achieve higher insulating values (R-value)
  • solar control oriented (keeps homes cooler in summer months)
  • blocks over 50% of furniture-damaging U.V. rays (lets in 38%)
  • R-value of 5.6 at center of glass with single coating and one argon gas filled air chamber (R-value of 8.3 at center of glass can be achieved with 2x coating and two argon gas filled air chambers)
  • better insulating values to keep heat from escaping in winter

Decorative and Privacy Glass Styles

We know that customers don’t always want plain glass in their windows and that sometimes, something a little more ornate is required. These glass options increase privacy, while allowing the natural light to shine through. A variety of effects can be achieved with our extensive decorative and privacy glass options.

Pattern 62 (Privacy Rating = 9)
Few patterned glass products offer the timeless appeal and versatility of Pattern 62 – a classic solution that reflects AGC’s more than 70 years of manufacturing experience in this product category. In addition to offering an attractive appearance, obscurity, and light transmission capabilities, Pattern 62 provides maximum flexibility – making it perfect for virtually any application.

Click Images to Enlarge

Rain™ (Privacy Rating = 8)
A refreshing patterned glass option, Rain from AGC Flat Glass brings natural beauty indoors - offering obscurity, light diffusion, and a rippled pattern reminiscent of a summer shower. This stylish solution brings a touch of the outdoors inside - with its combination of natural harmony and kinetic beauty. In addition to offering a decorative accent to any room, Rain also offers practical benefits such as privacy and light transmission.

Glue Chip™ (Privacy Rating = 7)
AGC designed its new Glue Chip pattern to provide a cost-effective option to more expensive fabricated glass. Glue Chip provides the texture and diffusion perfect for side-lites, transoms, bathroom and basement windows.

Aquatex™ (Privacy Rating = 6)
AGC’s classic Aquatex patterned glass is suited for a range of residential and commercial applications – offering obscurity and strength, without sacrificing light transmission. Aquatex offers both obscurity and light diffusion, allowing architects and designers to achieve their unique aesthetic vision.

Cross Reed (Privacy Rating = 5)
A popular choice because of its decorative appearance – and its ability to combine obscurity with light transmission – this distinctive textured pattern is ideal for a variety of applications. This attractive glass provides privacy while also allowing light transmission, creating a decorative accent in both residential and commercial settings. Cross Reed glass is a classic pattern that never goes out of style – and remains a popular choice among architects, designers, manufacturers, and builders.

Narrow Reed (Privacy Rating = 4)
With its eye-catching fluted design and ability to diffuse light, this patterned glass has wide appeal – bringing to life many residential and commercial design visions. The fluted linear design makes it an attractive option, lovely enough for almost any decorative need. Narrow Reed also offers extreme strength and durability with the added ability to add a distinctive texture and softly diffused light to any room.

We also offer various tints and tempering of panes as options that are available with our glass.