Found mold under AC leak. DIY or call Dubai pro?« Back to Previous Page

Stop using that AC unit immediately and avoid disturbing the area. With a leak into a closet and visible growth on concrete, this requires a professional assessment.

The high humidity in Dubai acts as a constant fuel source, allowing mold to spread within wall cavities and under flooring long after the initial leak is fixed. The black and green growth you see is likely just the surface manifestation. DIY cleaning with bleach or vinegar is a temporary fix on porous concrete and can aerosolize spores, worsening your indoor air quality.

For a situation like this, a certified mold inspector should conduct a moisture mapping assessment to determine the full extent of the water damage and take air/surface samples. This is critical, as Dubai's building standards require remediation to address the root moisture problem, not just the visible mold. Remediation involves containment of the area, professional HEPA filtration, and removal of contaminated porous materials like the carpet and underlay.

Given the climate, the root cause is almost certainly a blocked condensate drain line or a faulty installation. Once the mold is professionally remediated, a qualified AC technician must repair the leak to prevent immediate recurrence. For a leak of this nature, calling a professional company is the recommended course of action to ensure it is resolved safely and thoroughly.