There's also no lack of inventiveness. Most interestingly, the company has found a green, lean way to keep the server room cool during the winter: by using chilly Vermont air. The temperature in the room, with about 10 servers, has to be kept low enough for the computers to function. So previously, the company had been chilling them with air conditioning, even in the midst of a frigid north country winter.

"One of our employees and I were talking one day," Glaser recounts. "Doesn't it seem weird that it's like 20 below outside, and we have an air conditioner running in here? Why don't we run a ventilation outside - that's easy to do."


A few weeks later, they had rigged a system that would pump in and fan out cold air from outside whenever the room temperature rose above about 75 degrees.

"Immediately, we could see our winter power bill went down by 25 percent," Glaser said. "It paid for itself in less than one year."

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