Originally Posted by Enthalpic
Cooler temperatures will increases the amount of heat lost (if you are not clothed well) but has a very minimal effect on caloric burn rate; as most of the heat would have been produced anyways.
I wonder if it has been studied. My desk is in the uninsulated section of the basement and I'm sure I pace, tap my feet, or get up and walk around more when I'm working at home and it's cold down there than when it's warm.