| Environmental Protection Agency and the fenestration industry. This program is designed to assist consumers in the recognition of energy efficient products and promote the environmental and economical benefits of products bearing the ENERGY STAR label.
The performance criterion for windows and doors is different depending on what region of the country the window is being sold. The ENERGY STAR climate map below shows how the country is divided into three regions; Northern, Southern, and Central. These three regions have different guidelines do to different climates. Many of Windows Wholesale products meet the strict ENERGY STAR guidelines for energy efficiency. Windows Wholesale is proud to be an ENERGY STAR partner.
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