Should I clean black mold myself or call a professional?« Back to Previous Page

We've lived here for 2 years and just noticed a small patch of black mold in the corner of our master bedroom closet, and it seems to be getting a bit bigger. The wall feels cold there and I'm worried it might be a leak from the AC unit. Is this something I can safely clean myself with bleach, or do I need to call a professional mold inspector to check it out properly?
Posted by Layla Sharif
Asked on March 28, 2026 1:14 am
Based on the symptoms you've described—a growing patch of black mold on a cold wall near your AC unit—this is a classic case of condensation-induced mold growth, extremely common in Dubai's climate due to high humidity and continuous AC operation. The cold wall surface indicates a significant temperature differential, causing moisture to condense and create the perfect environment for mold.

While a small, surface-level patch might be addressed with a bleach solution, I strongly advise against a DIY approach in this instance. The fact that it is growing suggests an active moisture source that you have not controlled. More critically, what you see on the surface is often just the "bloom"; the root structure (mycelium) can penetrate deep into the drywall, and bleach cannot reach or kill it. Improper cleaning can aerosolize spores, spreading the contamination throughout your closet and bedroom.

For a confirmed and growing issue like this, a professional inspection is not just recommended; it is essential. Our certified inspectors use thermal imaging cameras to precisely identify the cold spot and moisture meters to quantify the dampness, determining if this is solely a condensation problem or if there is a leak from the AC drain line or ductwork—a very common issue here. We then conduct air and surface sampling to identify the mold species and concentration, which is crucial for determining the correct remediation protocol as per UAE health and safety guidelines.

To properly diagnose the root cause and ensure it is eradicated safely, I recommend you call our team at Saniservice for a comprehensive inspection. You can reach us at 800-MOLDS or 800-66537 to schedule an assessment.
Posted by Sani Admin
Answered on March 29, 2026 7:57 am