Benefits of cool roofs include reduced building heat - gain and saving on summertime air conditioning expenditures. (rabett.blogspot.ru)
Its new high - efficiency cool roof reflects heat and sunlight, reducing internal temperatures during warm months by approximately 70 percent. (nreionline.com)
Some observers have pointed out that cool roofs do not make sense in cooler climates because of «winter penalties,» since cooler buildings require more energy to heat. (newscenter.lbl.gov)