One common sign that your AC needs to be drained is water leaking or pooling around the unit. If you notice a significant amount of water collecting on the floor, it could indicate that the condensate drain line is clogged or blocked. This blockage prevents the water from flowing properly and causes it to back up into your living space. Additionally, if you observe ice forming on the evaporator coils or excessive humidity in the room despite running your AC, it might be an indication that drainage is required. Another way to determine if your AC needs to be drained is by listening for gurgling sounds coming from the unit. When water accumulates in the drain pan, air bubbles can form and make gurgling noises as they pass through narrow spaces or obstructions. Hearing these peculiar sounds suggests that there may be an issue with draining and should prompt you to take action.