White roof and skylights on Las Vegas, Nev. Walmart
Walmart’s white roofs help reduce energy use and have a lower heat island effect than a darker roofing color. The skylights are part of the company’s daylight harvesting system, which can save an average of 800,000 kwh of energy annually.
7,080
views
2
faves
1
comment
Taken on February 27, 2008