only the best materials

Glass so good the difference is transparent

Because of our stringent commitment to quality, Windowcrafters only works with the best materials. This is why we are so proud to carry Cardinal Glass. We offer two options of Cardinal glass: Cardinal LoE 270 ® & Cardinal LoE 366 ®; which you can see more on below.

cardinal 270 glass

Perfect Solar Contral for Georgia

Cardinal LoĒ²-270® glass

is the perfect glass for all season comfort. It is our standard for total performance in the Southern climate.

cardinal 270 glass

Ultimate Performance Glass

Cardinal’s LoĒ³-366®

Windowcrafters offers Cardinal’s LoĒ³-366® glass for those who want the best and beat the heat.


Solar control for all seasons

Every day, the sun provides an enormous amount of energy. In colder climate areas, this energy is beneficial and welcomed for warming homes. cardinal 270 glass savings But summer temperatures throughout the U.S. can reach a blistering level and bring discomfort into the home. Since the majority of solar heat gain comes through your windows, choosing the right glass can be a key factor in comfort and year-round energy savings.

Cardinal CG Company’s LoĒ²-270® glass is the perfect glass for all season comfort. It reduces solar heat gain by 50% or more when compared to ordinary glass. Although it is a clear glass, LoĒ²-270 even outperforms ordinary tinted glass typically used in sunny climates. And though it’s coated, LoĒ²-270 lets the light shine in to warm your house during the cooler winter months.

glass so smart, it can control your comfort

LoĒ²-270 glass features a unique coating that has been specially formulated to reject the sun’s heat, damaging rays and keep your home cool and comfortable. Using Cardinal’s state-of-the-art vacuum sputtering process, the glass is coated with microscopically thin, optically transparent layers of silver sandwiched between layers of anti-reflective metal oxide coatings.

cardinal 270 glass savings The patented LoĒ² coating provides the best clarity and highest performance of all low solar gain low-emissivity glass products.

LoĒ²-270’s patented coating blocks 83% of the sun’s harmful ultraviolet rays and 96% of the sun’s infrared heat. Now, instead of shutting out the sun during the hot summer months, you can let the light shine in without letting the heat come too. Cardinal’s LoĒ² coatings reduce not just interior discomfort, but also annual energy costs.

one glass to rule them all

Cardinal 366 LoE is the one glass you can use to be compliant in every ENERGY STAR zone – in a double-pane window. Cardinal 366 goes beyond just providing heat resistance but also offeres unparalleled protection from the sun’s rays, blocking 95% of harmul UV light that causes damage and fading.

A new standard

Cardinal’s LoĒ³-366® glass (pronounced low E cubed-366) is the ultimate performance glass. It just might make all other low-E glasses obsolete. LoĒ³-366 delivers the ideal balance of solar control and high visibility. cardinal 366 glass savings And it provides the highest levels of year-round comfort and energy savings, making it the perfect glass no matter where you live. The secret? An unprecedented triple layer of silver. This is beyond ordinary low-E glass; LoĒ³-366 sets the new standard.

Low-E times three makes the difference

cardinal 366 uv chart Cardinal has for years worked with top-tier window manufacturers by providing energy-efficient LoĒ² glass. Now with three layers of year-round thermal protection, the benefits are exceptional.

The result: a clear coating that blocks even more solar gain than ever before, reflects heat and lets the light stream in. Notice the difference below between clear glass, regular low-E glass and new LoĒ³-366.