Should I call a pro for AC leak and black mold?« Back to Previous Page

Our master bedroom AC unit has been leaking a bit for the last couple of weeks, and now I’ve spotted some black spots spreading on the wall behind the curtain. With this humidity, I’m worried it’s getting worse by the day. Is this something I need to call a professional for immediately, or can it wait until the weekend?
Posted by Charles Martinez
Asked on April 9, 2026 5:25 am
Yes, call a professional for an inspection immediately. An active AC leak with visible black mold growth in Dubai's high humidity is a situation that escalates quickly. The constant moisture from the leak and our climate's ambient humidity create an ideal environment for mold to spread, often into cavities like the wall itself, long before it becomes visible on the surface.

The primary risk with this type of growth is the potential for hidden damage to building materials and the release of spores that can irritate airways, particularly for those with allergies or asthma. While not all black mold is the notorious 'toxic black mold' (Stachybotrys), the species cannot be identified by color alone and requires professional assessment.

Do not attempt to clean it with bleach yourself, as this can agitate the spores and does not address the root moisture problem or any hidden growth. A proper remediation involves first fixing the AC leak at its source, then containing the area to prevent cross-contamination, safely removing affected porous materials like drywall, and using specialized equipment like HEPA vacuums and air scrubbers to clean the air.

For a verifiable result, the process should conclude with post-remediation testing to confirm spore counts have returned to acceptable indoor levels. This is a standard practice for companies operating with a scientific approach, often involving a third-party lab. Delaying action until the weekend risks further structural damage and a more extensive, costly remediation.
Posted by Sani Admin
Answered on April 10, 2026 6:49 pm