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Energy Efficient Glass
High-Performance Low 'E'
Glass
We offer many energy efficient glass options
designed to meet your needs and your budget.
What does Low 'E' with Argon, or krypton do for
you?
An essential all-season insulator, Low 'E'
coatings are comprised of transparent, microscopic layers of metal
oxide applied to glass. In summer months, Low E keeps cool air in
while keeping hot air outside. In winter, Low E keeps warm air in
and cold air out. Low 'E' glass also blocks up to 84% of the
ultraviolet rays which can fade carpets, draperies and artwork. In
addition, a gas, either argon or krypton (harmless gas found in the
atmosphere), replaces the air inside the insulating glass unit.
Because these gases are more dense than air, it drastically reduces
the transfer of heat and cold, adding even more thermal efficiency.
As glass technology advances higher performing
Low 'E' glass options have come available as is outlined in this
R-factor comparison chart.
Regional Low 'E' Packages
To better accommodate homeowner needs, regional
Low E packages are available to provide optimum performance in all
areas. There are two types of Low E coatings, soft coat and hard
coat. Both Low E coatings reflect a portion of the sun's rays, but
the percentage varies for differing climate zones. Low E soft coat
works best in warmer climates, because it reflects a large amount of
sun, reducing solar heat gain in your home. On the other hand, Low E
hard coat is better for cooler climates as it reflects less of the
sun's rays, utilizing passive solar heat gain.
Because of these variations in performance
Energy Star ratings have been developed to provide the most accurate
Low 'E' coatings for specific regions of the country. Our windows
and can be ordered to meet Energy Star guidelines.
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