How do I stop my window air conditioner from spitting up water?
Table of Contents
Air Conditioner – Spitting or Spraying Water
- The air filter may need to be cleaned. Air Conditioner – Cleaning the Filter.
- The unit may be installed so that it is tilted slightly into the room. It should be level or tilted slightly to the outside (about 1/4″).
- The unit may need to be cleaned.
Why is my air conditioner spitting water and making noise?
Your AC unit is designed to evaporate most of the humidity in the room so that water does not build up. If your air conditioning unit is making a noise that sounds like running water, it is likely that the excess condensation is not draining properly and the drip pan is now overflowing.
Why is my window AC filling up with water?

Blocked Condensation Drain. A very common cause of a window AC leaking water is a blocked condensation pipe. The purpose of the condensation pipe is to drain condensation from the overflow pan to the drainpipe. So, if this line gets plugged up with dirt, dust, sludge or mold, water will back up and flood.
Why does my window air conditioner have water in it?
This moisture collects as condensation under the fan and is spit or thrown back onto the coils to improve cooling. This means if you hear running water or water rushing around in your window AC unit, it could be part of normal operation and you don’t need to do anything or attempt to drain the water.
Why is my window AC leaking water from the front?
How do I know if my window AC is drained?

Check the window unit to determine if it’s level or slanted toward the ground outside. To aid proper drainage, the rear of the unit should drop about an inch lower than the front. “Eyeball” the air conditioner, working from outside; if it’s slanted enough, it should appear obvious.
Do window air conditioners need to be drained?
Window air conditioners offer ease and more space Danby’s most recent line of air conditioners does not need a drain in the back as most of the previous models did. These newer units use the water generated by the unit to cool the condenser coils which, in turn, evaporates the water that has accumulated.
Is it normal for window to leak water?
Window leaks are common in ageing homes. After years of extreme temperatures, varying weather conditions and building settling, windows are no longer air- or water-tight. Window frames can become damaged, glazing seals broken or the entire unit can become out of square (leaving gaps where water can seep in.)
Is it normal to hear water in your window air conditioner?
From time to time, you may hear water sloshing around in your window air conditioner unit. The sound may be alarming, but it’s actually normal. Your window unit cools the room by drawing in warm, moist air and passing it through the indoor coil to cool it before blowing it back into the room.
Why do window air conditioners drip water?
A very common cause of a window AC leaking water is a blocked condensation pipe. The purpose of the condensation pipe is to drain condensation from the overflow pan to the drainpipe. So, if this line gets plugged up with dirt, dust, sludge or mold, water will back up and flood.
How do you clean a window air conditioner without removing it?
To clean the window air conditioner without removing it, use the vacuum with the soft brush attachment, and carefully vacuum out any dust balls or other stuff you see in the unit. Then, mix together your water and two drops of dish detergent. Next, spray this inside the machine and wipe the areas down.
Why is water coming in my window?
Leaks on the wall around, above or below the window, often mean that there is an opening somewhere in the wall that is allowing water in and causing it to run along the studs of the window, pooling either below or above. Leaks at the top or bottom of the window are often a result of leakage in the structure.