Working air conditioner using five(5) Cryo Cooler, twenty(20) pumps, a tank of water, and a radiator.
This unit exchanges heat from the room to the water tank, then from the tank to atmosphere.
To turn on: enter the room, close the door, and press AC ON
If dark: Press LIGHT
Observe temperatures.
To turn off: turn off AC ON
Works best in warm climates.