AC gym or non AC gym?

@mimpi1911 (25467)
April 11, 2009 3:45am CST
....AC or NO AC GYM?? - Which one is more apt?
Some people tell that it's healthier to work out in a Non-AC Gym where we get to sweat more and burn more fat. But I feel, in AC Gym we get to exercise for longer hours since we are not exhausted fast. What is your opinion?