From the forum on the choice of air conditioning system:

And I know the greedy provincial chief. Glad you have a server.

Now about cooling, how much I understood tips on beating condensed you no longer need them, and so much has been written above.

Here is what I can advise, find where in the vicinity you can fill up liquid nitrogen, it should be worth a penny, you can wear it in any thermos (without pouring on your hands, temperature -190 Celsius). Half a liter of nitrogen, 2 times a day on the floor (it makes sense to leave the room for half an hour so as not to freeze as in the tundra) and everything in the up-to-date will be as long as you wait for the heat.

Remember acquaintances in one of the Soviet scientific institutes (where you could not even dream of condiments), and escaped from the heat. A portion of nitrogen was enough for 5 hours, I remember when it was frozen, and there was a steam on the street under 40.
One minus, if the floor is linoleum or just painted, then the chan floor will come very quickly, if it is just the concrete floor then the pofigu.