I'm with kalutika on this one. My friend has a Mash'al (ice chamber KM), it was filled with ice. 29". I have a 36" AF Syrian, room temp. water, and this dude came into the session late and starting smoking from his normal smoker, the Mash'al.
Then he wanted to try the Salloum apple I had, and the first thing he said was "wow, why is the smoke so cool, did you put ice in it or something?". I replied "Nope, it's just tall.