Is mold from AC leak in Dubai dangerous?« Back to Previous Page

The AC in my bedroom has been leaking a bit for the last couple of months, and now I’m seeing black spots spreading on the wall behind the curtain. My husband and I have both had a stuffy nose and itchy eyes for weeks that just won’t go away, and we’re starting to get worried. Is this kind of persistent mold exposure in a Dubai apartment something we should be really concerned about, and what’s the first step we should take to deal with it properly?
Posted by Kenji Hoang
Asked on May 12, 2026 5:20 am
Yes, this is a situation that warrants immediate attention. The combination of a persistent AC leak, visible black growth, and your ongoing respiratory symptoms strongly indicates a mold issue that is likely affecting your indoor air quality.

In Dubai's climate, AC units are a constant source of condensation, and any leak creates a perfect, damp environment for mold to thrive, especially behind curtains or furniture where airflow is restricted. The type of mold matters; common types like Cladosporium or Aspergillus from such damp conditions are known to cause the exact symptoms you describe—persistent sinus congestion, itchy eyes, and general irritation. For individuals with allergies or asthma, exposure can significantly worsen their condition.

The first and most critical step is to stop the moisture source. You must have the AC leak repaired by a certified HVAC technician immediately. Do not attempt to clean the mold yourself with bleach or other store-bought solutions, as this can aerosolize spores and worsen the problem. Disturbing it without proper containment spreads the contamination.

For a case with visible spread and health symptoms, a professional inspection is strongly advised. They can assess the extent of the growth, which is often more widespread inside the wall cavity than what is visible on the surface. A proper remediation plan involves containment, safe removal of affected materials, and cleaning of the area with specialized agents. Following remediation, a post-test verification is the only way to confirm the environment has been returned to a safe standard. For peace of mind and to identify the species present, a lab test of a swab or air sample can be conducted.
Posted by Sani Admin
Answered on May 14, 2026 7:23 pm