Living without an air conditioner in the summer is miserable, but that doesn’t mean there isn’t misery associated with having one, either. The necessary devices require maintenance and care , but even with proper upkeep, there is one gross thing about them that seems inevitable: They’re wet. And they drip. And sometimes, when they’re not functioning properly, they drip inside your home.

For the same reasons plane cabins get foggy in hot locations, your air conditioner will inevitably become wet. Warm air is meeting cold air and warm air holds more moisture than its cooler counterpart, so that moisture must go somewhere. Typically, it ends up in the coils of the machine itself, which is why air conditioners come with drainage systems. When those pipes get blocked up, you are likely to see water drip out onto your floor, down your wall, or in your windowsill because, again, that moisture must go somewhere.

There are obvious downsides to this phenomenon: First, you don’t want a wet home, especially when you’re already dealing with other summer horrors, like intense heat. Second, standing water can produce mold and dribbling water can really mess up your walls.

According to the good folks at Absolute Aircon , here’s what you need to do if you want to stop this dripping:

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And here is our guide to all the other ways to fix a struggling air conditioning unit .