Is our AC mold causing our persistent cough and headaches?« Back to Previous Page

The AC unit in our Jumeirah apartment has been leaking a bit for the last couple of months, and now I’ve spotted this black, speckled stuff growing around the vent in the master bedroom. My husband has had a persistent cough for weeks that just won’t go away, and I’m starting to get headaches. Is this black mold, and could it be making us sick?
Posted by Linda Lewis
Asked on April 8, 2026 5:32 am
Based on your description, it is highly probable that you are dealing with a mold infestation, and it is very likely that the symptoms you and your husband are experiencing are related. The black, speckled growth around the AC vent is a classic indicator of mold, and the persistent cough and headaches are common health effects associated with prolonged exposure to mold spores, particularly mycotoxins from species like Stachybotrys chartarum (often referred to as "black mold").

In Dubai's climate, this is an extremely common issue. The high humidity, combined with condensation from constantly running AC units, creates the perfect environment for mold growth. A small leak in the AC drain line or drip pan, as you've described, provides the consistent moisture source mold needs to thrive. The AC system can then aerosolize these spores and distribute them throughout your living space every time it cycles on.

For your health and the integrity of your apartment, immediate action is required. Do not attempt to clean this yourself with bleach, as this can agitate the spores and worsen airborne contamination. Disturbing the mold without proper containment and PPE can cause a significant spike in exposure.

You need a professional inspection. UAE regulations, particularly Dubai Municipality guidelines, emphasize the importance of proper indoor air quality and remediation conducted to specific standards. A certified inspector will conduct air and surface sampling to identify the mold species and concentration levels, assess the full extent of the growth within the AC unit and ductwork, and provide a detailed protocol for safe, effective remediation.

I strongly recommend you contact a specialist like Saniservice. They are equipped with the technical expertise and technology to handle this safely and in compliance with local standards. Please call them at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule a comprehensive inspection and assessment.
Posted by Sani Admin
Answered on April 10, 2026 9:56 pm