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Why won't water draining from my window air conditioner?

less than a minute readJun 04Lyle Weischwill
image of room-air-conditioner

If your window air conditioner has a drain hole in the back--not all do--and it's not draining water, clear the drain hole and then clean the base of the unit to get rid of dirt that could enter the drain.

Leveling the air conditioner with a slightly backward tilt may also be necessary when you see your window air conditioner not draining water. The slightly backward tilt helps drain water flow to the back of the cabinet tray and down through the drain hole.

If you have a drain hose connected to the drain tray, check the drain hose for a clog when you see the window air conditioner not draining water.


These repairs may help solve your room-air-conditioner problem

JC-WAC-Clear-a-window-air-conditioner-clogged-condensate-drain

Clear a window air conditioner clogged condensate drain

Many (but not all) window air conditioners have a drain hole in the back to let condensate water drain outdoors. If the drain hole is clogged, clean the base of unit and clear the clog in the drain hole.

Clear a window air conditioner clogged condensate drain

Find the required part specific to your product.
JC-WAC-Level-the-window-air-conditioner

Level the window air conditioner

The back of the air conditioner should be slightly lower than the front so condensate water drains outdoor. If water drains into the room, reinstall the air conditioner so it tips backwards slightly.

Level the window air conditioner

Find the required part specific to your product.