Is black mold from AC leak an urgent issue?« Back to Previous Page

The AC in our Jumeirah apartment seems to be leaking a little into the wall behind it, and I've just spotted a patch of black mold about the size of my hand. It's been dripping on and off for maybe two weeks, but the mold only became visible yesterday. Is this something I need to call a professional for immediately, or can it wait until the weekend?
Posted by Ibrahim Farah
Asked on April 1, 2026 4:16 pm
Yes, black mold resulting from an AC leak is an urgent issue that requires immediate professional attention, not least because of Dubai's high humidity climate which accelerates microbial growth.

The patch you've described, while currently small, indicates a sustained moisture problem within your wall cavity. The visible growth is likely just the "fruit" of a larger, hidden colony. The constant drip from the AC unit has created a perfect environment inside the wall—dark, damp, and with cellulose from the drywall—allowing the mold to proliferate. In the UAE's climate, with high ambient humidity and year-round AC use, this situation will not resolve itself and will only worsen, compromising indoor air quality and structural integrity.

From a health perspective, certain types of black mold (like Stachybotrys chartarum) can produce mycotoxins. Prolonged exposure, especially in an enclosed space like an apartment, can lead to respiratory issues, allergic reactions, and other health concerns.

Waiting until the weekend risks significant expansion of the contamination. A professional remediation company like Saniservice follows a strict protocol: first, we identify and rectify the moisture source (the AC leak). Then, we contain the affected area to prevent cross-contamination, safely remove the compromised materials, perform specialized hygienization to eradicate the mold at its root, and finally verify the cleanup with post-remediation testing. This comprehensive approach is crucial to ensure the problem is solved permanently and aligns with best practices for healthy indoor environments.

For a situation like this in Jumeirah, I strongly recommend you call a professional immediately. Please contact our team at Saniservice for a comprehensive inspection and remediation plan at 800-MOLDS (800-66537) or hello@saniservice.com.
Posted by Sani Admin
Answered on April 3, 2026 6:10 pm