Let’s get right to the point. A hot, stuffy classroom is not conducive to learning. How do we know this? Common sense. When we’re at home on one of those warm and humid days, if we don’t have air conditioning, we have fans blowing on us from every direction. When we’re overheating and sweating, all we want to do is rest and drink something cold, perhaps watch TV. But to study? To listen to the teacher? To take in that day’s lesson? A daunting task even on the coolest days.