Izzard asks: "As a network engineer, I sometimes have to spend many hours in other people's server rooms. One in particular has a good few servers, DVD jukebox, plenty of monitors and switches etc. It's a thick, stone-walled room with a big door. It would get very, very warm were it not for the two huge air conditioning units in there. Someone has decided that these units will be set to maintain a constant air temperature of 17-18 deg. C (62-64F). After an hour or so of sitting in the air stream from these units my legs go numb and fall off and I can't type. Now my guess is that it would be fine to set the units to maintain, say, 21-22 deg. C (70-71F) to make it more comfortable for those of us who have to work in there. This argument comes up a lot, and my position is that the room doesn't need to be refrigerated, *per se*...it only needs to be prevented from overheating. Consequently I maintain that a *consistent* temperature of 'pleasant' for the room is almost as good a consistent temperature of 'a bit nippy'. Is there a definitive answer to this?"
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