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DOE Steep Slope Calculator estimates cooling and heating savings for residential roofs with non-black surfaces. For more information, visit http://web.ornl.gov/sci/buildings/tools/SteepSlopeCalc/.
DOE Steep Slope Calculator estimates cooling and heating savings for residential roofs with non-black surfaces. For more information, visit http://web.ornl.gov/sci/buildings/tools/SteepSlopeCalc/.