Black mold from AC leak: clean myself or call pros?« Back to Previous Page

Stop using that AC unit immediately and move the headboard to fully assess the spread. In Dubai's climate, an AC leak creates a constant source of moisture, allowing mold to proliferate rapidly behind walls.

Do not use bleach. It is ineffective on porous surfaces like drywall and can push toxins deeper. For a small, surface-level patch (under one square foot), a thorough cleaning with a dedicated mold cleaner may suffice, but your situation suggests a larger hidden problem. The scratchy throat and damp smell indicate active spores are already in your air. The leak must be repaired first; otherwise, the mold will return.

Given the leak duration and health symptoms, a professional inspection is strongly advised. Remediation companies with their own microbiology labs, like ours, can identify the species through air and surface sampling. This is critical because what's often called "black mold" can be one of several types, each with different health implications. They also use containment procedures to prevent cross-contamination during removal, which is nearly impossible to achieve yourself. Dubai Municipality has specific guidelines for safe mold remediation to protect indoor air quality, which professionals are trained to follow.

The most important step is to fix the AC leak at its source. Until that is done by a certified HVAC technician, any cleaning is only a temporary solution.