40. Smart Grassi green school saves $120k/year

Lawrence Grassi middle school in Canmore, Alberta is your typical, mid-size public school. It's home to 391 students. There is a wood shop and portables and a gym but where Grassi is different from other schools is the simple but effective steps they've taken to drastically reduce their utility bills. They replaced the old school and completed the current one in 2008 and since then they're saving $120,000 a year in utility bills. And they didn't do it with fancy, expensive technology. Learn how the meat and potatoes not only built a very energy efficient building but they did it on budget as well.