AC leak causing black mold in Dubai apartment: cost to fix?« Back to Previous Page

This is a classic and serious issue we see frequently in Dubai, particularly in high-rises in areas like Downtown. The continuous AC operation combined with high ambient humidity creates a perfect environment for microbial growth when a water source, like a leak, is present. The black splotches you're describing are almost certainly Stachybotrys chartarum or another toxigenic species, commonly referred to as black mold.

The remediation process is not a simple cleaning job. It requires a professional, multi-step approach: first, a certified inspection to identify the moisture source and the full extent of contamination (often inside the wall cavity). The AC leak must be repaired by your building's HVAC technician. Remediation then involves isolation of the area with negative air pressure, careful removal of contaminated porous materials (drywall, insulation), HEPA vacuuming, and antimicrobial treatment of the remaining structures. Finally, the area must be dried to a specific moisture content before reconstruction.

For a leak that has been active for a month, the damage is likely significant. In Dubai, costs are highly variable but for a proper, certified remediation of a localized area like a single wall, you should budget between AED 3,000 to AED 8,000. This typically includes inspection, containment, remediation, and post-clearance testing. The final cost depends on the square footage affected and the depth of the infestation.

Given the health risks and potential for structural damage, this is not a DIY project. I strongly recommend you contact a DMCC-approved environmental company like Saniservice for an immediate inspection. They can provide a precise assessment and quotation. You can reach their experts at 800-MOLDS (800-66537) or hello@saniservice.com. Do not disturb the area before their assessment, as this can release harmful spores into your living space.