Energy 101: Cool Roofs

Environmentally friendly “Cool Roofs” reflect the sun’s heat,  reduce both building cooling loads, lower utility bills, reduce the urban heat island effect and drastically reduce the amount of waste going into landfills.

Cool roofs for commercial and industrial buildings fall into one of three categories: roofs made from inherently cool roofing materials, roofs made of materials that have been coated with a solar reflective coating, or green planted roofs.

Cool roofs are one of the quickest and lowest cost ways we can reduce our global carbon emissions. Roofs and road pavement cover 50 to 65 percent of urban areas. Because they absorb so much heat, dark-colored roofs and roadways create what is called the “urban heat island effect,” where a city is significantly warmer than its surrounding rural areas. Cool roofs significantly reduce the heat island effect and improve air quality by reducing emissions. A recent study by researchers at Lawrence Berkeley National Laboratory (LBNL) found that using cool roofs and cool pavements in cities around the world can help reduce the demand for air conditioning, cool entire cities, and potentially cancel the heating effect of up to two years of worldwide carbon dioxide emissions.

The U.S. Department of Energy’s website ENERGY.GOV has a wealth of information as it relates to Science & Technology, Energy Sources, Energy Efficiency, the Environment and Prices & Trends. The EPA series of short videos related to Energy 101 topics are being posted on studio4llc.com to present entry level information related to Home Energy Assessment, Cool Roofs, Geothermal Heat Pumps, Solar PVs and Wind Turbines.

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