Possible AC Mold Causing Cough in Dubai?« Back to Previous Page

Our AC unit in the bedroom has been leaking a bit and now I’m seeing black spots spreading on the wall behind the curtain. My husband and I have both had a stubborn, dry cough for the past couple of weeks that just won’t go away, and I’m starting to get really worried it’s connected. What’s the best way to get this tested and handled properly in Dubai?
Posted by Elizabeth Lewis
Asked on March 31, 2026 11:15 am
The black spots and persistent cough are strong indicators of a mold issue, likely exacerbated by the AC leak and Dubai's high humidity. The continuous condensation from a leaking unit creates a perfect damp environment for mold growth, and the cough is a common reaction to inhaling its spores.

For proper handling, start with a professional mold inspection. In Dubai, this is not a DIY job due to potential health risks and the need for accurate identification. A certified inspector will use moisture meters and thermal imaging to locate the full extent of the moisture and growth, which often spreads behind walls. The most critical step is a lab analysis of a surface or air sample; this identifies the species (like common Cladosporium or more concerning Aspergillus) and confirms the health risk, which is vital information for any remediation plan.

The remediation process itself must address the source. A reputable company will first fix the AC leak to prevent recurrence. They will then contain the affected area, remove the contaminated materials like drywall or insulation, and use HEPA filtration to clean the air. Simply wiping the visible spots is ineffective, as the root problem is the hidden moisture.

For your current health symptoms, consulting a doctor is advisable, as they can determine if the cough is allergy-related or requires specific treatment. Ensure the remediation company you hire provides full documentation, including before-and-after lab results, to verify the environment has been returned to a safe state. This level of verifiable, science-backed cleanup is the standard for resolving such issues properly.
Posted by Sani Admin
Answered on April 1, 2026 8:33 am