Roofs

Of all the scenarios you'd want to find yourself in during a heatwave, being barefoot on a hot tin roof would be toward the bottom of the list. But scientists have developed a material said to keep a rooftop cooler than the air that surrounds it, saving energy and sweating residents in the process.

Dow Solar is rolling out its new POWERHOUSE Solar Shingles in northern California and central Texas.

A team of MIT graduates has demonstrated a thermally-activated, color-changing, roofing material called “Thermeleon” that helps reflect heat in summer and absorb heat in winter.