An ergonomics study at Cornell University ("Warm Offices Linked to Fewer Typing Errors and Higher Productivity") found that warm workers are more productive. They also concluded that it's about $2 less per employee per hour to maintain a higher office temperature (think high electricity bill). The office where I work is very often freezing. Most of us wear long pants, long-sleeved shirts, jackets, and sometimes hats... in addition to portable space heaters that we keep under or on top of our desks. Talk about a waste of resources...

"At 77 degrees Fahrenheit, the workers were keyboarding 100 percent of the time with a 10 percent error rate, but at 68 degrees, their keying rate went down to 54 percent of the time with a 25 percent error rate," Hedge says. "Temperature is certainly a key variable that can impact performance."