AC unit leaking, causing black mold. DIY fix or call pro?« Back to Previous Page

That black mold is a clear sign of water damage, and it's a common issue here due to our high humidity and constant AC use. The leak is providing the moisture the mold needs to grow, so cleaning the spots without fixing the source will only provide a temporary solution, as you've seen.

For a persistent leak and visible regrowth, a professional assessment is strongly recommended. The mold behind your wall could be more extensive than what's visible on the surface. In Dubai, proper remediation involves containing the area to prevent spores from spreading to other parts of your home during cleanup, which is not a feasible DIY task. Professionals use HEPA filtration and antimicrobial treatments to address the root cause.

The AC unit itself likely has internal mold growth from the constant moisture, which requires a specialized deep clean to prevent it from blowing spores into your bedroom. A certified company can identify the exact cause of the leak—whether it's a clogged drain line, low refrigerant, or another mechanical fault—and fix it.

While a stronger bleach solution might lighten the stain, it won't kill the root structure penetrating porous surfaces like drywall, which often needs to be replaced. Given the health risks associated with prolonged exposure to certain molds, especially in a bedroom, a professional approach with verification of cleanup through post-remediation testing is the most reliable way to ensure the problem is resolved for good.