How to get a proper mold inspection for AC leak?« Back to Previous Page

Our AC unit in our Jumeirah villa has been leaking a bit of water into the closet where it's installed, and now I'm starting to see small black spots on the back wall. It's been super humid the last few weeks and I'm worried it's spreading behind the drywall where I can't see. What's the best way to get a proper mold inspection to find the full extent of the problem and prevent it from coming back after a cleanup?
Posted by Ying Hoang
Asked on March 24, 2026 10:10 pm
The situation you describe is a classic and serious concern here in Dubai. The combination of an AC condensate leak, high ambient humidity, and porous building materials like drywall creates an ideal environment for pervasive mold growth. The visible spots are likely just the surface manifestation; the mycological structure can spread extensively behind the wall, into insulation, and through the AC system itself.

A proper inspection in such a case must be comprehensive. It begins with a detailed visual assessment using borescopes to view cavities within the wall. This is followed by moisture mapping with professional-grade thermo-hygrometers and penetrating moisture meters to quantify the water damage extent beyond the visible leak. Crucially, air quality testing is performed, comparing spore counts from the affected closet with a controlled outdoor sample to determine the level of indoor amplification. Surface sampling of the black spots will identify the species, which is vital for planning the correct remediation protocol, as some molds like Aspergillus can be more problematic than others.

Given the UAE's climate, simply wiping the visible mold is insufficient. The root cause—the AC leak and the resultant moisture saturation—must be permanently resolved to prevent rapid regrowth. The entire affected building material often requires removal and replacement.

For a thorough investigation that follows Dubai Municipality guidelines and provides a definitive action plan, I strongly recommend a professional assessment. Our certified team at Saniservice uses this exact methodology. We can diagnose the full extent, identify the species, and provide a scope of work for effective remediation. Please call us at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an inspection.
Posted by Sani Admin
Answered on March 26, 2026 11:00 am