A great deal of effort has gone into keeping the ISS at civilized temperatures: http://science.nasa.gov/science-news/science-at-nasa/2001/ast21mar_1/ http://sc

A great deal of effort has gone into keeping the ISS at civilized temperatures: http://science.nasa.gov/science-news/science-at-nasa/2001/ast21mar_1/ http://science.nasa.gov/science-news/science-at-nasa/2001/as... It's got 100,000 watts of solar power, so that combined with good insulation means it won't freeze as long as the panels keep working...