Find windows made with Super Spacer®.
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Homeowner Links
Before You Buy
Finding the right insulating glass windows for your home, your family and the environment doesn’t have to be difficult. We have compiled some frequently asked questions to help you make the best purchase decision:
What is insulating glass?
Insulating glass (known in the industry as IG) is defined by the number of panes in the system. Two or more would be considered insulating. Other components, such as low-e coating, argon gas filling and warm edge spacer systems, contribute to the overall efficiency of the system.
How much can insulated windows really save me in my energy bills?
According to the ENERGY STAR Web site, www.energystar.gov, replacing single-paned windows with windows made with insulating glass in a 2,000-square-foot home can save the homeowner as much as hundreds of dollars annually on energy bills.
What is a warm edge spacer system?
A spacer system refers to the part that separates the panes in an insulated window. The spacer creates a seal that locks in argon gas (an insulator), preventing heat from passing through the window, which reduces condensation. A warm edge spacer provides a warmer edge of glass temperature. Super Spacer from Edgetech I.G. is the world’s only all foam, NO-Metal, extreme low-conductive system and provides all of the optimal benefits of warm edge technology.
Should I buy double- or triple-paned windows?
There is a place for both double- and triple-paned windows. Double-paned windows made with Super Spacer exceed all ENERGY STAR requirements for energy efficiency. Triple-paned windows are recommended for noisy environments, such as homes near airports, or in extreme climate conditions.
What do all the stickers mean on windows?
It’s important to look for windows that have an ENERGY STAR® sticker. This means heating and cooling costs can be drastically cut and the home will be more comfortable. To achieve ENERGY STAR status, windows must also be National Fenestration Rating Council (NFRC) approved and labeled for U-Value (the rate of heat loss through the window) and Solar Heat Gain (how well the window blocks heat from the sun).
How can I be sure that my window prevents condensation?
Condensation, which can lead to mold, is always a possibility if humidity levels are too high. Windows with high-performance glass and framing offer the greatest reduction in condensation.
Are all argon-filled windows the same?
No. The warm edge spacer used will determine how well the argon stays in the insulating glass over time. Windows made with Super Spacer have some of the best argon retention rates in the industry, increasing the overall life expectancy and durability of the window system.
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