Everyone is interested in conserving energy nowadays. Not only is energy conservation a cornerstone of environmentally-friendly building practices, but it also helps reduce your monthly utility bills—always welcome in today’s tough financial climate. But how do you evaluate a window’s energy performance? Look for products that have been tested and approved by the National Fenestration Rating Council (NFRC). Another place to look for information on energy efficient windows is the U.S. EPA Energy Star Homes Program web site. NFRC and Energy Star give you a measure of a window’s Thermal Performance… But if you want to evaluate a window or door’s structural, air infiltration and other performance issues, check for its AAMA (American Architectural Manufacturers Association) and NWWDA (National Wood Window and Door Association) Ratings.
These rating systems define four mandatory performance requirements for a completely fabricated window:
• Structural integrity to withstand wind loads
• Resistance to Water Leakage
• Resistance to air infiltration
• Forced Entry resistance
For more information about which energy efficient door or window is right for your new construction or renovation in Northern Virginia, stop by one of The Window Man's three area locations. All of The Window Man consultants are happy to help you choose the perfect product for your project.
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