Black mold from AC leak: DIY fix or professional needed?« Back to Previous Page

Based on the symptoms you've described—a large, spreading patch of black mold originating from an AC leak—this is not a situation for a DIY fix. The presence of black mold, often indicative of Stachybotrys chartarum, coupled with a continuous moisture source from the AC unit, creates a significant health risk and requires professional assessment and remediation.

The high humidity in Dubai acts as a catalyst, allowing mold to proliferate rapidly behind walls and under flooring, often making the visible patch just a fraction of the actual contamination. Over-the-counter products from Ace Hardware are surface-level solutions; they will not address the root moisture problem or the hidden microbial growth within the wall cavity. Disturbing the mold incorrectly can also aerosolize spores, drastically increasing airborne contamination and health risks to your family, including respiratory issues and allergic reactions.

In the UAE, professional mold remediation follows strict protocols. A certified company like Saniservice will first conduct a comprehensive inspection, including moisture mapping and air quality testing, to determine the full extent of the infestation. The remediation process involves isolating the area with negative air pressure, safely removing contaminated materials like the skirting board and affected drywall, treating the cavity with professional-grade antimicrobial agents, and most critically, identifying and rectifying the AC leak source to prevent recurrence.

For a contained area like this, costs can vary but typically start from AED 1,500 to AED 3,500, depending on the severity and required repairs. Given the health implications and complexity of ensuring the leak is fixed, we strongly recommend a professional inspection. Do not attempt to handle this yourself. For immediate advice and a precise quote, please call our experts at 800-MOLDS (800-66537) or email hello@saniservice.com.