I've used Kinko's for this in the past when I lived close to one. Unfortunately, it's kind of a long drive from where I live now, so it's not the most economical solution. Thanks for reminding me, though; I had forgotten about that as an emergency option.
My house is old and had multiple additions so its layout is all topsy turvy and there are no straight cavities so I might just run lots of flexible conduit at least up from the server closet into the attic. At least then it will be a little easier to run new drops.
If you're looking to get fancier, I would suggest looking at variable speed compressors, namely inverter driven compressors like the ones used in minisplits. Mitsubishi has the most popular: https://www.mitsubishicomfort.com/residential/products/ducte...
I know these have more advanced electronics that a traditional split system, but I'm not sure if they can be networked or accessed in an intuitive way.
Anything will do - the N type is large enough that you can fix the bulkhead to the can wall securely.
BNC tend to be a through hole and nut which is hard to fix square to the side of a can.
You can even make a bigger hole and put an entire USB wifi dingle in the can at the correct position but it takes a bit of trial and error because you don't know where the antennea is inside the plastic
I’m working in what is basically a “finished” garage. Not well insulated (but is insulated), windows are leftovers. No finished flooring, just a collection of rugs no longer in the main living space. So it’s the rug room that doubles as storage.
I’m using a window unit, which is very loud, sometimes even audible on a conference call. Been looking at a mini split for a while.
It does keep it cool. Though the florida bugs sometimes get in through the AC itself.
controlling the bleed valve is definitely the way to go. The commercial solution is a bleed valve that opens and closes based on the temperature in the room.
If you want something NSA scale, you can do better than that. I used to use Copper-Beryllium mesh and gaskets (http://www.sealingdevices.com/metal-emi-gaskets-and-becu-ber...). Choose mesh size based on the frequencies you expect to deal with (and harmonics).
If you want to keep your computer in there you also have to be careful designing the ports for wires coming in/out.
A fan that blows them into a metal mesh filter is sufficient. The fan keeps them stuck against the filter until they dehydrate and die. Propane is often used to attract them to the fan but that may not be necessary in your case.
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