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Super Peak Performance™ Krypton Enhanced
Low-E Glass Package
This glass package is designed with both a lower solar heat gain
coefficient (.33) and an increased Center of Glass R-Value (9).
This combination allows for controlled levels of free solar heat
gain in the winter while providing the insulation ability of an
increased R-Value, keeping the re-radiated heat and warmth from
escaping to the outside, thereby reducing your heating costs.
In the summer, the solar heat gain coefficient is low enough to
minimize the free solar heat entering the home, so that the pull
on your air-conditioning is reduced. The superior insulation characteristic
of this glass package keeps the outside heat from entering your
home, robbing it of precious air conditioning and energy dollars.
This is an ideal glass package for any climate where heating
and cooling costs are of high concern.
13/16" Insulating Glass Unit,
Center of Glass Performance Characteristics |
R-Value |
9* |
U-Factor |
.11 |
Solar Heat Gain Coefficient |
.33 |
Relative Heat Gain (BTU's/Sq. Ft./Hr.) |
79 |
Ultraviolet Light Transmission |
5% (95% Blockage) |
Visible Light Transmission |
57% |
*Based on Lawrence Berkley Laboratories 4.1
simulation, 15 mph external wind speed, 0 degrees Fahrenheit external
temperature, 70 degrees Fahrenheit internal temperature.
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