Choosing the Right Glass
The key to choosing the right glass package for your home is to find the combination of performance values to suit your needs. Look to your installing contractor and/or Vista Authorized Dealer to help you make these decisions.
All windows with insulated glass claim to save you money on energy costs. However, not all insulated glass windows are created equal. Vista windows with high-performance glass can save you significant money on energy costs, but just as important is the fact that their innovative design helps make your home more comfortable. The performance of your window will depend on the configuration you choose. Many elements can impact the energy-efficiency of your Vista window, such as the use of Low-E glass and the gas that fills the space between the glass.
Low-E Glass is a microscopically thin, virtually invisible, metallic layer deposited on the glass surface primarily to reduce the U-factor (lower U-factor = better insulation) by suppressing radiant heat flow. Low-E coating is virtually transparent to the solar spectrum (visible light and short-wave infrared radiation) and reflective of long-wave infrared radiation. When you order Vista windows with Low-E, you get Low-E “STACKED”, in effect a double coating of Low-E, as our standard.
Argon and Krypton are odorless, colorless, non-toxic inert gasses that can be used instead of air between panes of glass to increase insulation and energy efficiency. Argon is an excellent insulator, a good value and more readily available. Krypton is a denser gas and therefore a better insulator.
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