The short answer is that you don’t. Your air conditioner needs refrigerant if it is going to do its one and only job—cooling your home. That is due to the fact that refrigerant is the heat transfer fluid in your central air conditioning system. Remember that your air conditioner is not creating new, cool air when it cools your home. Instead, it is siphoning heat out of the air, resulting in a cooler feeling, and redistributing that cooled air throughout your home.
As you can imagine, that heat has to go somewhere. It cannot just sit in the refrigerant that has absorbed it via the evaporation process, because then the refrigerant would be too hot to draw more heat out of the air. That is why the refrigerant goes out to the condenser coil outside. There, it releases its heat as it is compressed, before starting the cycle all over again in order to maintain comfortable temperatures. So when is refrigerant consumed?