John Jamie Rocca :
Hey forums
I got a purely hypothetical question for everyone.
Could i possibly use an old mini fridge as a way of keeping my desktop cool? Basically if i could find a way to get the wires out of the fridge with the tower still inside, and insulate the inside so as not to damage the tower with moisture, would that be possible to keep the tower cool in lieu of spending alot of money on liquid cooling?
Yes friend, you could in my opinion. But you will have to take care of some things first.
As many friends in this thread correctly quote, the setup you are proposing will not work because of condensation of air inside your pc case\components. So, first things first, you will have to place the tower of your pc out of the fridge. So you avoid condensation and probable electric shocks, and\or destruction of crucial pc parts.
The first step in fridge-cooling a pc, is to place the pc case as is, outside the fridge.
You don't need the fridge as is, you just need its cold air,so you open two holes on your fridge (input to the fridge and output).
The output should go as lower as you can (cold air heavy,goes down). This goes to your pc case facing your CPU heatsink. The other hole (input) is free. The mistake here would be to connect it in your case also. The outside air is much cooler than your case air, so the fridge would have to take out a lot of heat. So,using outside air would be far better than the case exhaust.
As for the fridge cycle, I would make it faster actually and not constant. Constant coolant will burn the fridge motor but, starting cool,a 5min cycle could work just fine in providing cool air. Notice that you want the heatsink in room temperature and not lower, to avoid any condensation.
Also, you could fill your fridge with lots of bottles of water and let it cool it before you start your pc.. It will hopefully give you some more pc-cooling time due to water heat-cool capacity.
But note that a small motor of a small fridge will give you small cooling power.. Larger, better.. So I don't know if it is worth it.. I will try to do it as described above in the future,stay tuned ;D