AC leak caused black mold: DIY clean or call professional?« 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 these black, speckly patches spreading out from the wall behind the unit. It's in the corner and the room has started to smell damp. Is this something I can clean with bleach myself, or do I need to call a professional mold remediation company?
Posted by Monika Lewandowski
Asked on March 25, 2026 8:36 am
Based on your description, this is a serious situation that requires immediate professional attention. The black, speckled pattern spreading from a persistent AC leak is highly indicative of active fungal growth, likely including species like Stachybotrys chartarum (commonly referred to as toxic black mold) or Aspergillus. The damp smell confirms ongoing microbial volatile organic compound (MVOC) production, a sign of an active colony.

In Dubai's climate, with high ambient humidity and year-round AC use, these conditions create a perfect incubator. The moisture from the leak has not only saturated the visible carpet but also the underlying underlay and potentially the wall structure itself, which you cannot see. Applying bleach is strongly discouraged. It is ineffective on porous materials like drywall and carpet, as it only bleaches the surface pigmentation without addressing the hyphae (root structure) deep within. Furthermore, bleach is primarily water, which can actually feed the mold growth and exacerbate the problem.

UAE civil defence regulations and health and safety standards strongly recommend professional remediation for cases of this nature to prevent cross-contamination and ensure occupant safety. The process requires containment of the area, professional-grade HEPA filtration to capture airborne spores, and the safe removal and disposal of contaminated porous materials like carpet and drywall.

For a confirmed case like this, a professional inspection and remediation are not just advised; they are essential. I recommend you cease using the AC unit immediately and contact a certified specialist. Our team at Saniservice is equipped to conduct a thorough inspection, including moisture mapping and air quality testing, and execute a full remediation protocol. Please call us at 800-MOLDS (800-66537) or email hello@saniservice.com for an immediate assessment.
Posted by Sani Admin
Answered on March 27, 2026 8:47 pm