How to safely remove black mold under AC?« Back to Previous Page

The AC in my bedroom has been leaking a bit for a while, but after this last humid spell, I’ve just pulled back the corner of the carpet and found a huge patch of black mold underneath. It’s right near the wall and has a really strong, damp smell. What’s the most effective way to get rid of this safely without it just coming back?
Posted by Rekha Sharma
Asked on May 14, 2026 5:05 pm
Black mold under an AC leak in Dubai's climate is a serious health and structural issue that requires immediate and careful action. The high humidity here allows mold to thrive, especially in hidden, damp spaces like under carpets.

First, address the source. The AC leak must be repaired by a certified HVAC technician. Without fixing this, any mold removal will be temporary. For a patch you describe as "huge," professional remediation is strongly advised. Disturbing it improperly can aerosolize spores throughout your home, worsening the problem. Professionals use containment barriers, HEPA filtration, and specialized antimicrobial treatments to remove the mold colony safely and completely.

If you must handle a small area yourself, wear an N95 mask, goggles, and gloves. Isolate the area by closing the door and sealing the gap underneath with plastic. Carefully remove the affected section of carpet and underlay, bagging it immediately for disposal. Scrub the concrete subfloor with a detergent solution, but avoid bleach as it doesn't prevent regrowth. The subfloor must be completely dry—using fans and dehumidifiers is critical in our humid environment.

Ultimately, the most effective method is a professional assessment to ensure the mold is fully eradicated and the moisture source is eliminated. Reputable firms in the UAE should provide before-and-after lab testing to verify the space is safe, which is a key standard for verifiable results.
Posted by Sani Admin
Answered on May 16, 2026 12:52 am