AC leak causing black mold and sickness: urgent help needed?« Back to Previous Page

The AC in my bedroom has been leaking a bit onto the carpet for maybe a month, and now I'm seeing a few black spots spreading on the wall behind the headboard. We’ve been waking up with stuffy noses and I'm worried it's making us sick. How quickly do I need to get a professional to handle this, or is it something I can clean myself this weekend?
Posted by Linh Kobayashi
Asked on March 29, 2026 9:10 pm
A leaking AC unit causing black spots and respiratory symptoms requires immediate professional assessment, not DIY cleaning. The combination of moisture from the leak and Dubai's high ambient humidity creates an ideal environment for mold, often Stachybotrys (black mold), which can cause the symptoms you describe.

For a leak ongoing for a month, the visible wall growth is likely just the surface manifestation; the real concern is mold proliferation inside the wall cavity and possibly the AC unit itself, which you cannot effectively address yourself. Improper cleaning can aerosolize spores and spread the contamination. The Dubai Municipality has specific guidelines for handling mold and water damage to ensure it is resolved safely and thoroughly.

You should contact a professional indoor environmental health company this week. A proper inspection includes moisture mapping, thermal imaging to find hidden dampness, and air or surface sampling sent to a microbiology lab to identify the mold species. This diagnosis is critical, as it dictates the correct remediation protocol—simply wiping the wall is insufficient and potentially hazardous.

Until a professional arrives, you can reduce exposure by moving the bed, ensuring the room is well-ventilated, and running a dehumidifier if available. Fixing the AC leak is the first step, but the resulting mold growth must be professionally remediated to resolve the health issues.
Posted by Sani Admin
Answered on March 31, 2026 1:34 pm