How to charge and unload the air conditioner in detail Charging and unloading the air conditioner is essential to maintain cooling efficiency and the air conditioner working efficiently. This process requires precise knowledge to ensure the safety of the system. Here are the detailed steps on how to charge and unload the air conditioner: Step One: make sure the ac is needed to charge Before you start charging, make sure the AC really needs to be recharged. You can check this by several signs, such as: Poor performance: Poor cooling or heating in the room. Pipes freeze: You may notice an ice or freeze on the pipes. Low gas pressure: can be checked using a specialized pressure gauge. Leakage: Ensure there is no leakage in the system, as charging the system with leakage will result in rapid