Thanks for the answer!
Also, i just listened to Goljan say this:
''Uncouplers cause H+ to go right through the membrane, we get very little ATP, and since our body is in total equilibrium, if you start draining protons off,, then the reactions that were generating the protons to begin with (i.e. the reactions that make NADH and FADH) will increase. And you all know that when the rate of a chemical reaction increases, what happens? The temperature increases.''