Denver cleantech company, RavenBrick, was named Emerging Cleantech Company of the Year at the Colorado Cleantech industry Association's annual awards. RavenBrick's smart window can reduce energy costs by up to 40 percent in most buildings.

Denver-based clean tech company, Ravenbrick, has been awarded a patent for a "smart window" that utilizes a thermochromic film that is transparent when cold and transitions to a tinted state when heated.