I've had an off-set stick/charcoal Char Broil smoker for over a year now. I've about had it with the thing. My temps will hold at 225 for about 10 minutes and then it's up to over 300 in no time. I have to put water on the fire to cool back down to 225, but then I'm either losing heat or gaining heat in no time again. It's become a battle every time I smoke, and I am really sick of the babysitting. I have a hunch that the thing just isn't insulated well and it let's in too much air even with the vents closed and the stack open. I'm really thinking about picking up a new smoker, but before I blow another $300-500 on a smoker, are there any mods I can do to help with my smoker?