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

The AC in my apartment seems to be leaking a bit of water into the closet where the unit is, and now I’m seeing these black speckles spreading on the wall behind our winter clothes. It’s been like this for a couple of weeks but with the humidity rising, it’s getting worse. How urgently do I need to get a professional to deal with this, or can it wait until the weekend?
Posted by William Clark
Asked on April 4, 2026 2:39 am
Based on your description, this is an urgent situation that requires immediate professional attention, not a weekend wait. The black speckles you're seeing are almost certainly active microbial growth, and the AC condensate leak is providing the constant moisture necessary for it to thrive.

In Dubai's high-humidity climate, mold proliferation can be rapid. The wall cavity and your winter clothes are acting as a nutrient source (cellulose and dust), creating an ideal environment for colonization. This is not just a cosmetic issue; the proximity to the AC unit means spores can be aerosolized and distributed throughout your apartment's air supply every time the fan operates, potentially leading to indoor air quality issues and health concerns.

UAE regulations, particularly from Dubai Municipality, emphasize maintaining healthy indoor environments, and this situation falls under that purview. A delay risks further structural damage to the drywall and contamination of your belongings.

Do not attempt to clean this yourself. Disturbing the mold without proper containment and air filtration will only spread the spores. The correct protocol involves first stopping the source of the moisture by having an HVAC technician repair the condensate leak. Then, a certified mold inspection and testing company, like Saniservice, must assess the extent of the contamination within the wall cavity. Remediation will involve containment, professional removal of affected porous materials (like the drywall), and specialized cleaning of salvageable items.

For a proper assessment and to prevent further damage to your property and health, I strongly recommend you contact a professional immediately. Call Saniservice at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an inspection.
Posted by Sani Admin
Answered on April 6, 2026 2:05 am