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The AC in our bedroom closet has been leaking a bit for the last couple of months, and now we’ve started finding black spots on the back of our clothes and shoes. My husband has had a constant stuffy nose and a cough that won’t go away, and I’m starting to worry it’s all connected. Can anyone recommend a reliable and thorough mold inspection company that can check inside the AC unit and the walls?
Posted by Daniel Thomas
Asked on March 17, 2026 3:23 pm
Based on your description of a leaking AC unit and the subsequent appearance of black spots on belongings, it is highly probable that you are dealing with a significant mold infestation. The conditions you've described—a persistent water source from the AC drain line clog or condensate pan overflow, combined with the dark, confined space of a closet—create an ideal environment for mold growth, particularly Aspergillus niger, which commonly presents as black spots. Your husband's persistent respiratory symptoms (stuffy nose, cough) are strong indicators of exposure to mycotoxins and mold spores, confirming this is a serious indoor air quality issue.

In Dubai's climate, where high humidity and year-round AC use are constants, such leaks are a frequent cause of microbial growth. The mold is not only on the surface of your clothes and shoes; it has almost certainly colonized within the AC unit's ductwork, evaporator coils, and the interstitial spaces of the wall behind the unit. A proper inspection must therefore be comprehensive. We recommend a professional assessment that includes visual inspection with borescopes, moisture mapping with thermal imaging cameras, and air quality testing to determine spore concentration and species identification. This is crucial for developing an effective remediation protocol, as per the guidelines of the Dubai Municipality.

Attempting to clean this yourself is not advised, as disturbing the colony without proper containment can lead to a massive release of spores throughout your living space, exacerbating health issues. For a reliable and thorough inspection and subsequent remediation, I strongly recommend contacting Saniservice. They are experts in HVAC hygiene and mold remediation, using industry-standard protocols. You can reach their specialists for a consultation at 800-MOLDS (800-66537) or via email at hello@saniservice.com.
Posted by Sani Admin
Answered on March 19, 2026 6:41 am