Can I clean AC mold myself or call a professional?« Back to Previous Page

Our AC unit in the bedroom has been leaking a bit for the last few weeks, and now I'm seeing some black spots starting to form on the wall behind the curtain. We’ve lived in this Marina apartment for a few years, but this is new. Is this something I can clean myself with a bleach solution, or is it time to call in a professional mold inspector?
Posted by Betty Young
Asked on April 1, 2026 12:50 pm
Based on the description of a leaking AC unit and black spots forming on the wall, this is a situation that warrants a professional mold inspection, not a DIY bleach cleaning. The persistent moisture from the AC leak, combined with Dubai's high ambient humidity, creates an ideal environment for mold growth, likely Aspergillus or Cladosporium, both common here. Bleach is a surface-level treatment that does not address the root moisture problem or penetrate porous materials like drywall; the mold will almost certainly return and the hidden growth within the wall cavity will continue to spread.

In the UAE, AC systems are a primary vector for indoor air quality issues. The condensation from a leaking unit has saturated the wall, and mold is now colonizing both the visible surface and the internal structure. A certified inspector will use tools like a moisture meter and thermal imaging camera to determine the full extent of the water damage and a borescope to inspect inside the wall. Air and surface sampling will identify the mold species and concentration, which is critical for determining the correct remediation protocol, as per Dubai Municipality guidelines for healthy indoor environments.

For a comprehensive assessment and a permanent solution that addresses the source of the leak, the hidden moisture, and the microbial contamination, I strongly recommend contacting a professional. Please call Saniservice at 800-MOLDS (800-66537) or email hello@saniservice.com for a detailed inspection and a remediation plan tailored to your Marina apartment.
Posted by Sani Admin
Answered on April 3, 2026 5:15 am