AC mold from leak spreading: DIY clean or call pro?« Back to Previous Page

The AC in our bedroom has been leaking a bit onto the carpet for maybe a week, and now I’m seeing black spots spreading out from the wall. I tried wiping it with vinegar, but the smell is still there and it seems to be getting worse. Is this something I can tackle myself with a stronger cleaning solution, or do I need to call in a professional mold removal company here in Dubai?
Posted by Antonio Van Dijk
Asked on April 7, 2026 6:50 pm
That leak and the spreading black spots indicate a serious mold issue requiring professional remediation, not DIY cleaning. In Dubai's high humidity, carpet underpadding acts like a sponge, creating a massive hidden reservoir of mold that vinegar or surface cleaners cannot reach. The persistent musty smell confirms the growth is deep within the materials.

For a leak of this duration, the mold has likely colonized the carpet backing, underlay, and potentially the wall and floor structure. Attempting to clean it yourself with stronger chemicals often aerosolizes the spores, spreading contamination to other rooms and risking respiratory exposure. The Dubai climate means any residual moisture will cause regrowth rapidly.

The first step is to stop the source; have an HVAC technician repair the AC leak immediately. For the mold, this exceeds a DIY solution. Professional remediation involves isolating the area with containment barriers, using HEPA filtration to capture airborne spores, and physically removing the irreversibly contaminated porous materials like carpet and underlay. The underlying concrete slab then requires specialized antimicrobial treatment and drying to prevent recurrence.

You should call a professional company with IICRC-certified technicians. They will perform an inspection, often with moisture meters and borescopes, to define the full extent of the damage. Reputable firms document the process with before-and-after imagery and can provide post-remediation verification to ensure the problem is resolved. Given the health risks and potential for structural damage, professional intervention is the necessary course of action here.
Posted by Sani Admin
Answered on April 9, 2026 5:52 am