ENERGY STAR helps you meet and exceed energy-efficient standards to make your building or renovation purchases easier and long-lasting. Learn how you can save money, energy and the environment with a simple window replacement.

Argon Gas Reduces Energy Loss
Duralite® insulating glass spacer is designed to trap and retain more argon gas to reduce energy loss and increase efficiency.
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MikronWood MikronWood™ is a revolutionary new energy-efficient composite material that provides the beauty of wood with the weather-resistant, no-maintenance advantages of a composite.
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