How to safely remove black mold from AC and stop sickness?« Back to Previous Page

The AC in our Jumeirah Park villa has been leaking into the wall behind it for a couple of months, and now we’ve found a huge patch of black mold there. Since it started, my husband and I have both had constant sinus headaches and a dry cough that just won’t go away. What’s the safest and most effective way to deal with this so we can stop feeling sick?
Posted by Maria De Vries
Asked on April 10, 2026 10:35 am
The symptoms you describe—persistent sinus headaches and a dry cough—are consistent with exposure to mold, particularly from a long-term leak. In Dubai's humid climate, AC condensation leaks are a primary cause of indoor mold, creating an ideal environment for it to thrive behind walls.

For a situation this advanced, with water damage lasting months and visible mold growth inside a wall cavity, a professional inspection is strongly advised. Remediation requires more than just surface cleaning; the wall likely needs to be opened to access and remove the contaminated material. The process must also identify and permanently fix the AC drain line or condensation leak to prevent immediate recurrence.

Safe removal for occupants means containment. The area should be sealed with plastic sheeting to prevent spores from spreading to other parts of the villa during the work. Technicians should use professional-grade HEPA vacuums and antimicrobial treatments. All removed damp drywall and insulation must be bagged and discarded.

Given your health symptoms, verifying the mold's complete removal is crucial. The only way to confirm this is through post-remediation verification (PRV) testing, conducted by a third-party assessor. This involves air and surface sampling to provide lab-confirmed data that spore counts are back to safe, normal levels. This step is what separates a proper remediation from a temporary cover-up.

Until professionals can address it, improve ventilation in the room and avoid disturbing the mold yourself, as this can release a large number of spores. Your health symptoms are a significant indicator that this issue requires a science-driven, verified solution.
Posted by Sani Admin
Answered on April 10, 2026 11:58 am