Thread: Closet cooling?
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Unread 04-06-2006, 04:33 PM   #8
bobkoure
Cooling Savant
 
Join Date: Feb 2003
Location: USA - Boston area
Posts: 798
Default Re: Closet cooling?

So... you're looking to vent a closet - and there's very little room over the door (no place for a grill in the place an old-time building would have a transom).
If the closet ceiling, as well, didn't go very far above the top of the door, then simply using louvered doors shoud work - and thermosyphon will pump the air in through the bottom and out through the top. Ditto grills down low and up high in the wall.
If it's a noise issue (so louvered doors are a bad idea as they're pretty noise-tranparent) then, yeah, fans. Had you thought about putting a vent at the bottom with a fan to push air in? Should be quieter - particularly if you put the fan at the end of a short duct, or even just a box.
This is all assuming the air is coming from the room/corridor outside the closet and exhausting back to that area.

BTW, I helped a friend with his server closet setup ducting - but he had three racks in there with a lot of gear. We went to the trouble of setting up two venting systems. One dumps exhaust upstairs (quite a lot of power being disposed of as heat) for the heating season, and a second one dumping exhaust outside for the a/c season (no point in paying to move the heat twice). That was more of a room than a closet, and was in his basement - which made it easy to duct hot air upstairs.
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