13 Jul 2005 mjcox   » (Master)

Ventilation

The hot weather followed me back to Scotland, which is nice for me but not so nice for my 3m^3 computer cupboard which, being unventilated, gets quite warm and toasty. Today with the outside temperature at 20C and the inside temperature at 24C the cupboard was at 30C with the door closed, or 26C with the door open. So I cut a holes in the plasterboard in the wall near the top, a 120mm fan (with useless but cute blue LEDs, but nice and quiet with a fairly good flow rate), a nice looking outlet vent to hide the messy holes, and enough space for air to get in at floor level under the door. With the fan on and the door closed the temperature started rising, although slower than normal, to 29C. Turn the fan off, 30C.... so it's pretty consistant, but not particularly worth the effort. I need to figure out if my fan isn't moving enough air, or if it's just bad placement. -- I don't think I can get away with making any more large holes in the wall though, well not until Tracy goes out of the house for a few hours ;)

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