How to inspect AC leak mold in closet and walls?« Back to Previous Page

A professional inspection is the only way to determine the full extent of the problem, as the visible spots are likely just the surface indication. In Dubai's high humidity, a persistent AC leak inside a closed closet creates a perfect environment for mold growth within the wall cavity and insulation, which you cannot see.

For a proper inspection, do not disturb the area by wiping or spraying anything, as this can aerosolize spores. A certified inspector will use three key tools: a moisture meter to detect dampness inside the wall, a thermal imaging camera to visualize the water leak path and cold spots where condensation forms, and air/surface sampling to identify the mold type. The sampling is sent to an accredited microbiology lab for analysis, which is crucial for understanding the health risk and required remediation scope.

Any reputable inspection in the UAE should provide a detailed report with lab results and a protocol for a remediation company to follow. This documentation is often required by landlords for repair claims. The inspection itself should be a separate service from the cleanup to avoid a conflict of interest.

Given the leak has been ongoing for months, assume there is hidden growth. A visual check is insufficient. The priority is to stop the leak at its source—likely a clogged condensate drain line or faulty installation—which an HVAC technician must address concurrently with the mold inspection.