How to find hidden mold in my dry Dubai apartment?« Back to Previous Page

My kids have been coughing for a couple of weeks, and I just pulled out a bag of winter clothes from the top of the wardrobe and found a bunch of stuff covered in black, fuzzy mold. The weird thing is, the room always feels dry because the AC is always on. I'm worried it's in the walls or something. How do I find the source of this hidden mold in a Dubai apartment?
Posted by Charles Jones
Asked on April 28, 2026 6:30 am
That black mold on winter clothes is a classic sign of a hidden humidity problem, even with the AC running. In Dubai, the extreme outdoor humidity seeps inside and condenses in cooler, stagnant spots with poor airflow—like a tightly packed wardrobe on an exterior wall.

Start by inspecting that entire closet. Feel the walls and ceiling for dampness or a temperature difference. Check for water stains from potential leaks in the adjacent bathroom or from the AC condensation drain line, which can clog and leak inside the wall. The mold on your clothes suggests the source is very close by.

The "dry feel" is deceptive. ACs cool the air, but if they are oversized or cycle too quickly, they remove heat without adequately dehumidifying, creating a cold, damp environment perfect for mold. This is a common issue in many UAE apartments.

For a serious case like this with health symptoms, a professional inspection is the most reliable path. They use tools like thermal imaging cameras to find hidden cold spots (thermal bridges) and moisture meters to quantify dampness inside walls without destructive testing. Air and surface sampling, analyzed by a microbiology lab, can identify the mold type and confirm the spread, which is crucial if you suspect it's in the walls. This diagnostic approach is the only way to be certain of the source and full extent.
Posted by Sani Admin
Answered on April 28, 2026 9:42 am