Black mold in AC vent: who to call in Dubai?« Back to Previous Page

The AC in our Jumeirah villa has been leaking into the wall behind it for who knows how long, and we just pulled the unit out to find a huge patch of black mold growing there. It’s been extra humid lately and I’m worried the spores are blowing through the vents. What’s the best way to handle this safely and who should I call for a proper cleanup in Dubai?
Posted by Charles Wilson
Asked on March 31, 2026 6:46 pm
This is a serious situation that requires immediate and professional attention. The black mold you've described, likely Stachybotrys chartarum, is a significant health hazard, and its presence in the AC unit means spores are almost certainly being circulated throughout your villa.

Given Dubai's high humidity levels and the constant use of AC systems, this creates a perfect environment for such rapid mold proliferation. The first and most critical step is to turn off the HVAC system immediately to prevent further dissemination of spores. Do not attempt to clean this yourself, as improper handling can aerosolize the toxins and exacerbate the contamination.

In Dubai, mold assessment and remediation are specialized fields. You must call a certified professional company that follows international guidelines like the IICRC S520 for mold remediation. They will conduct a comprehensive inspection, including air and surface sampling to identify the spore types and concentration levels, which is crucial for devising the correct remediation protocol.

The cleanup process is not a simple wipe-down. It involves full containment of the affected area with negative air pressure to prevent cross-contamination, professional-grade HEPA filtration to scrub the air, and the safe removal and disposal of contaminated porous materials. The AC unit itself will likely need a deep hygienization or replacement.

For a proper and safe cleanup in Dubai, I strongly recommend you contact the experts at Saniservice. They are highly experienced with villa-specific issues and the unique challenges posed by the UAE climate. You can reach them for an emergency inspection at 800-MOLDS (800-66537) or via hello@saniservice.com.
Posted by Sani Admin
Answered on April 2, 2026 2:48 am