Yes, in-the-wall air conditioners, also known as through-the-wall air conditioners or wall-mounted air conditioners, can produce condensate water, which may drip from the unit. Like all air conditioners, they work by cooling warm air, and as the warm air passes over the evaporator coils, moisture in the air condenses into water droplets. This condensate water collects in a drip pan or tray located at the bottom of the unit.
The water that accumulates in the drip pan needs to be drained properly. Some wall-mounted air conditioners are designed to evaporate this water through a drain hole or discharge it outside the building. Others may rely on a drain pipe or a hose to remove the water to an appropriate location, such as a nearby sink or outdoors.
If the drain system becomes clogged or if the unit is not installed correctly, the water might leak or drip from the air conditioner. It's essential to ensure that the unit is installed and maintained properly to prevent any water leakage issues. Regular maintenance, including cleaning the filters and checking the drainage system, can help keep your in-the-wall air conditioner working efficiently and minimize the chances of water leakage. If you notice any water dripping from your air conditioner, it's a good idea to have it checked and serviced by a professional.