Premier Distributor of Windows and Doors to the Carolinas!

A Guide to Energy-Efficient Windows and Doors, is a ten-year-old North Carolina company. You may already know us as a premier distributor of high-performance windows which specializes in educating the consumer. We hope you find this information both informative and beneficial in your pursuit of the highest quality windows and doors. If you have questions about our products and are building in the Carolinasnote, please contact one of our locations.

Great care and research has gone into this document to assure accuracy and relevancy. The data either came from the companies cited or a government publication. A special thanks goes to Canada’s Office of Energy Efficiency, the NFRC, and Southwall Technologies for their valuable input.

Much of this information is taken, with permission, from the Consumer's Guide to Buying Energy-Efficient Windows and Doors, produced by Natural Resources Canadanote. Information from Canadian testing agencies has been replaced with information from the U.S. equivalent, the National Fenestration Ratings Council (NFRC).

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