> Ok, first disclaimer, I have no idea what I'm talking about. Now > that > I've said that, could you do some sort of aparatus that bubbles the > hot air through the water? I don't know how efficient this would > be...I'd imagine smaller air bubbles would transfer heat better, but > that's just a guess. > > Now shoot down my crackpot idea (but you have tell me why it won't > work) :) It would work. But water would be evaporated far faster than you'd like and the energy required to pump air through water adds to energy losses. RM -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist