http://www.windowdan.com/blog Tue, 13 Dec 2011 17:22:50 +0000 en hourly 1 http://wordpress.org/?v=3.3 http://www.windowdan.com/blog/do-you-sell-energy-star-approved-windows-are-they-tested/ http://www.windowdan.com/blog/do-you-sell-energy-star-approved-windows-are-they-tested/#comments Wed, 01 Jul 2009 22:03:45 +0000 Dan http://windowdan.com/blog/?p=7 Yes, ALL the products we sell and install are Energy Star approved, and tested by the NFRC (national fenestration rating council) for U-value, R-value, and other statistics, so you KNOW just how good the windows are that you are purchasing. All windows come with a certification sticker, to show the test results and performance ratings.

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