http://www.calacademy.org/sciencetoday/cool-roofs/ Beyond the Headlines Tue, 07 Feb 2012 17:38:02 +0000 http://wordpress.org/?v=2.9.1 hourly 1 http://www.calacademy.org/sciencetoday/cool-roofs/comment-page-1/#comment-614 Adam Waterford Tue, 17 Jan 2012 15:15:36 +0000 http://www.calacademy.org/sciencetoday/?p=1836#comment-614 The science proving the efficiency of cool roofs make them all the more a viable option for homeowners who want to cut on their electricity bills. A research was done by the Lawrence Berkeley National Laboratory on the improvisation of the colors of this type of roofing. The asphalt shingle roof, according to their experiment, has solar reflectances ranging from five to 25 percent. But that number also depends on its color.   <br><br><br> The science proving the efficiency of cool roofs make them all the more a viable option for homeowners who want to cut on their electricity bills. A research was done by the Lawrence Berkeley National Laboratory on the improvisation of the colors of this type of roofing. The asphalt shingle roof, according to their experiment, has solar reflectances ranging from five to 25 percent. But that number also depends on its color.  

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