AC leak causing black spots and allergies: professional help needed?« Back to Previous Page

The AC in our bedroom has been leaking a bit onto the carpet for the last couple of weeks, and now we're starting to see these small black spots spreading out from the wall. My wife has been waking up with a stuffy nose and itchy eyes, which she never had before. Is this something I can clean myself with bleach or vinegar, or do I need to call one of those professional mold remediation companies to check it out?
Posted by Kevin Martinez
Asked on April 27, 2026 8:55 pm
A leak causing visible black spots and new allergy symptoms almost certainly requires professional assessment. In Dubai's high humidity, mold can colonize porous materials like drywall and carpet backing within 48-72 hours of a water event. Surface cleaning with bleach or vinegar only addresses what you see, not the hidden colony.

Your wife's symptoms—stuffy nose and itchy eyes upon waking—are classic indicators of exposure to mold spores circulating from the AC system and the damp area. Self-cleaning risks disturbing the colony and amplifying the spore count in your bedroom air.

For a leak ongoing for weeks, the moisture has likely penetrated deeply. A proper remediation involves identifying the full extent of the damage, containing the area to prevent cross-contamination, safely removing and disposing of non-salvageable porous materials, and using industrial-grade equipment to dry the structure completely before any cleaning occurs. This process is defined by standards like the IICRC S520.

It is advisable to contact a company with certified technicians who can provide a detailed assessment and, if necessary, lab analysis to identify the mold type. This documentation is also important for working with your landlord or building management to address the root cause of the AC leak.
Posted by Sani Admin
Answered on April 29, 2026 2:28 pm