How to stop AC leak and clean black mold?« Back to Previous Page

The AC unit in our bedroom has been leaking a bit of water onto the carpet for a couple of weeks, and now I'm seeing these small black speckles on the wall behind the curtain. We keep the room pretty cool, but the area near the vent always feels damp. What's the best way to clean this and stop it from coming back for good?
Posted by Saeed Al-Sabah
Asked on March 13, 2026 9:52 am
The black speckles you're describing are highly indicative of a mold colony, most likely Stachybotrys chartarum (black mold) or Aspergillus niger, which thrive in the damp, cool conditions created by your AC leak. In Dubai's high humidity climate, this is a very common issue. The constant condensation from the AC unit, combined with the organic material in the carpet and drywall, creates an ideal breeding ground.

The immediate concern is to stop the moisture source. The AC leak could be due to a clogged condensate drain line, a damaged drain pan, or improper installation/insulation. You must have a licensed HVAC technician service the unit to identify and rectify the root cause of the leak. Simply cleaning the mold without fixing the leak will guarantee its return.

For the remediation, I strongly advise against attempting to clean this yourself. Disturbing the mold can aerosolize toxic mycotoxins and spores, contaminating your entire bedroom and posing significant health risks, especially in a sleeping area. The porous nature of drywall and carpet means the mold growth is likely more extensive beneath the surface.

This situation requires professional assessment and remediation. Under Dubai Municipality guidelines, proper containment, HEPA filtration, and antimicrobial treatment are mandatory to ensure complete removal and prevent cross-contamination. Our certified team at Saniservice uses thermal imaging to detect hidden moisture and follows strict protocols to safely remediate the mold, sanitize the area, and restore the affected materials.

For a comprehensive inspection and a permanent solution, please call us at 800-MOLDS (800-66537) or email hello@saniservice.com. We will provide a detailed report and a remediation plan to make your bedroom safe again.
Posted by Sani Admin
Answered on March 16, 2026 2:56 am