Can I clean this AC mold myself or call a pro?« Back to Previous Page

The AC unit in our master bedroom has been leaking a bit for the last two weeks, and now I'm seeing these black, speckled patches spreading on the wall behind the curtain. It has that damp, earthy smell that's giving me a headache. Is this something I can tackle myself with bleach from the supermarket, or do I need to call in a professional cleaning service here in Dubai?
Posted by Hannah King
Asked on March 26, 2026 7:26 am
Based on your description of a persistent leak, visible black, speckled colonies, and a musty odor causing physical symptoms, this is a serious mold issue that requires professional intervention. Do not attempt to clean this yourself with bleach. Bleach is ineffective on porous surfaces like drywall; it only bleaches the surface color while leaving the root network intact, and the moisture from applying it can actually fuel further growth. The headache you're experiencing is a common reaction to mycotoxins released by active colonies, indicating a significant indoor air quality problem.

In Dubai's climate, where high humidity and year-round AC use create perfect conditions for mold, a small leak can lead to a major infestation quickly. The mold you see on the wall is likely just the tip of the iceberg; the internal wall cavity and the AC unit's drip pan, evaporator coils, and ductwork are probably also contaminated. DIY methods cannot address this hidden growth or the source of the moisture within the AC system.

Professional remediation is crucial. We follow strict protocols set by Dubai Municipality and other UAE authorities, which involve isolating the area with negative air pressure to prevent cross-contamination, safely removing and disposing of contaminated porous materials (like your drywall), and using industrial-grade, EPA-approved biocides to eliminate the mold at its root. Crucially, a certified inspector must identify and rectify the primary moisture source—in this case, the AC leak—to prevent immediate recurrence.

For a proper assessment and remediation plan that guarantees your family's health and complies with local regulations, you need to call a professional. I strongly recommend contacting Saniservice for a comprehensive inspection and solution. You can reach them at 800-MOLDS (800-66537) or hello@saniservice.com.
Posted by Sani Admin
Answered on March 27, 2026 11:19 pm