Black mold from AC leak: DIY clean or call professional?« Back to Previous Page

The AC in my apartment seems to be leaking a bit of water into the closet in our main hallway, and now I'm seeing these black speckles spreading on the wall and a really damp, earthy smell. It’s been getting worse over the last month since the humidity really kicked in. Should I try to clean this myself with bleach or is this a job for a professional building maintenance team?
Posted by Lei Guo
Asked on April 12, 2026 1:02 pm
Based on your description of a persistent AC leak, spreading black speckles, and a damp, earthy smell, this is unequivocally a job for a professional inspection and remediation team. The conditions you've described—a constant moisture source combined with Dubai's high ambient humidity—create the perfect environment for active mold colonization, likely of the Stachybotrys chartarum (black mold) type.

Attempting a DIY clean with bleach is highly inadvisable. Bleach is ineffective on porous surfaces like drywall and wood, as it only removes the surface discoloration while leaving the root structure (mycelium) intact. This often causes the mold to regrow more aggressively. Furthermore, improper cleaning can aerosolize toxic mold spores, spreading the contamination throughout your apartment's air and HVAC system, significantly increasing health risks and remediation costs.

In the UAE, professional mold remediation follows strict IICRC standards. This involves identifying and rectifying the moisture source (the AC leak), isolating the contaminated area with negative air pressure to prevent cross-contamination, safely removing and disposing of affected porous materials, and using specialized antimicrobial agents to treat the area. A post-remediation verification (PRV) test is then essential to confirm the spore count has returned to safe, ambient levels.

Given the climate-driven nature of this issue, I strongly recommend you contact a certified professional. For a comprehensive inspection and a remediation plan that complies with local regulations, call Saniservice at 800-MOLDS (800-66537) or email hello@saniservice.com. They can accurately assess the extent of the problem and ensure it is resolved safely and permanently.
Posted by Sani Admin
Answered on April 15, 2026 12:37 pm