Here is one way I can explain the concepts of Basic A/C
The common households Air-Conditioner, does not make a space cold. It achieves it by REMOVING heat.
As air passes across the evap coil located in your Air-Handler. the heat is drawn to the cold. It travels to the outside unit where the heat is removed. Next time you are by your outside unit in the summertime, place your hand over the air coming out and you can feel the heat that was just in your house . PRETTY COOL ….