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Americans spend about $40 billion annually to air condition buildings – which equates to about
one sixth of all electricity generated in this country. Studies conducted by the Cool Metal Roofing
Coalition and Oak Ridge National Laboratory have shown that metal roofing with Energy Star
certified high reflectance paint systems can save you up to 40% on cooling costs when compared
to typical asphalt shingles.
Your typical dark asphalt shingle absorbs most of the solar radiation that hits it, consequently
making your attic a very hot place during the summer months. On the contrary, Energy Star
certified metal roofing works by reflecting a high percentage of the sun’s energy back into the
atmosphere, lowering attic temperatures and subsequent cooling loads.
Maddox Metal Roofing offers several colors that are Energy Star certified. In order to meet
Energy Star criteria, the roof has to have a total solar reflectance of at least 25%, which means
that the roof reflects 25% of the sun’s energy. In general, lighter colors have better reflectivity,
with colors such as white having a reflectivity that exceeds 60%. Furthermore, Energy Star
certified roofs have to maintain a reflectance of at least 15% after three years of real-world
exposure testing. The higher the reflectance, the more money you can potentially save.
Maddox Metal Roofing