If your room and floor become wet after the air conditioner is turned off, there are a few potential reasons for this issue:
Condensation: Air conditioners work by removing heat and humidity from the air. When warm and humid air passes over the cooling coils of the AC, moisture in the air condenses into water droplets. This water collects in the AC's drain pan and is usually drained outside through a drainage pipe or hose. If there's a problem with the drainage system, such as a clog or a disconnected hose, the water may overflow and drip into your room or onto the floor.
Leaking AC: A leaking air conditioner could be caused by a damaged or clogged drain line, a malfunctioning condensate pump (if your AC has one), or a cracked drain pan. This can lead to water seeping out of the AC unit and onto your floor.
Humidity Levels: In some cases, excessive humidity in the room can lead to condensation on windows, walls, and floors, especially if the room is not adequately ventilated. When you turn off the AC, the temperature difference between the cold AC unit and the room can cause the moisture in the air to condense on surfaces.
Poor Insulation: If your room has poor insulation or inadequate sealing around windows and doors, warm and humid air from the outside can penetrate the room. When this humid air meets cooler surfaces, condensation can occur.
To address the issue of your room and floor becoming wet after turning off the AC, consider the following steps:
Check the AC's drainage system: Ensure that the drainage pipe or hose is connected correctly and not clogged. If you find any issues, clean or repair them as necessary.
Inspect for leaks: Check the air conditioner for any visible signs of water leakage, such as water stains or puddles around the unit. If you detect a leak, have a qualified technician inspect and repair the AC.
Maintain proper ventilation: Ensure that your room is adequately ventilated to prevent excess humidity from accumulating.
Improve insulation: Consider improving the insulation in your room to reduce temperature differences and potential condensation.
If you're unable to identify the cause of the problem or resolve it on your own, it's best to seek assistance from a professional HVAC technician. They can inspect your air conditioner and identify any issues that might be causing the excess moisture, helping you to keep your room dry and comfortable.