Found black mold from AC leak; DIY or call pro?« Back to Previous Page

My kids have been coughing for a couple of weeks, and I just pulled our large sofa away from the wall in the living room to find a huge patch of black mold. We live in a villa in Jumeirah and I think it might be from a slow leak in the AC unit. What is the most effective way to handle this ourselves, or should we call a professional company right away?
Posted by Carlos Durand
Asked on April 23, 2026 8:10 am
For a large patch of black mold from a suspected AC leak, especially with ongoing health symptoms, calling a certified professional is strongly recommended. This is a serious case due to the size, the potential AC source, and the fact that children are already coughing.

The humid Dubai climate and continuous AC use create perfect conditions for mold. A slow condensate drain leak inside the wall is a common issue in villas that can cause extensive, hidden growth behind furniture. DIY cleaning with bleach or vinegar is ineffective on porous materials like drywall and only addresses surface discoloration, not the root moisture problem or the underlying structure.

A proper remediation involves first identifying and fixing the AC leak to stop the moisture source. The affected section of drywall likely needs to be carefully removed and disposed of to eliminate the contaminated material. The area must then be professionally HEPA-vacuumed and treated with antimicrobial solutions. Crucially, the AC system itself should be inspected and cleaned, as mold spores from the wall can be circulated throughout your home.

Given the health impact and potential for structural damage, a professional inspection is the safest first step. Look for a provider with certifications like IICRC and one that uses a third-party microbiology lab for testing. This verifies the mold type and confirms it has been properly removed, giving you peace of mind that your family's health is protected.
Posted by Sani Admin
Answered on April 26, 2026 5:35 am