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Tuesday, July 31, 2012

Understanding Energy Efficient Windows


            To create the energy efficient windows used in homes across the country, Simonton Windows starts with premium vinyl, which has strong thermal properties that help make an excellent insulator. A glass package is then selected to make up the Insulating Glass Unit, otherwise known as an IGU. This occurs when two or more pieces of glass are separated by a spacer system and then hermetically sealed at the glass edges.

Many IGUs are constructed with Low E glass. A transparent metallic oxide coating applied to the glass surface allows short-wave energy to pass through but reflects long-wave infrared energy for greater thermal efficiency.

For added energy efficiency, the space inside the IGU can be filled with Argon gas, a safe, odorless gas that is six times denser than air. This acts as an added barrier for a higher level of efficiency.

Finally, a spacer system can be used in the IGU. Simonton’s top-quality Intercept® Spacer System is made of highly thermally prohibitive materials and placed between the glass panes to further reduce temperature transfer.

The unique U-channel design of this spacer system minimized conduction for increased efficiency and comfort in the home. The U-shaped design flexes and contracts, reducing seal failure in the IGU.

For more details on energy efficient windows, visit http://www.simonton.com/Information/EnergyEfficiency/.

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