AC Leak Caused Mold: DIY Clean or Call Pro?« Back to Previous Page

The AC unit in our bedroom in Jumeirah Park has been leaking a bit for a couple of weeks, and now we’re seeing these black speckles spreading on the wall behind the wardrobe. My wife’s allergies have been going crazy, and I’m worried it’s the mold. Is this a job I can handle myself with bleach and a scrub, or do I absolutely need to call a professional company, and roughly how much would that cost for a single wall?
Posted by Sunita Verma
Asked on March 31, 2026 3:52 pm
Based on your description of the situation in Jumeirah Park, this is a textbook case of mold growth caused by a persistent AC condensate leak, and I strongly advise against a DIY approach. The black speckles are almost certainly active mold colonies. In Dubai's high-humidity climate, AC units are a primary source of moisture intrusion when they malfunction, creating the perfect environment for mold to thrive on porous surfaces like drywall.

Using bleach is ineffective and potentially dangerous. It may superficially lighten the visible stains but will not kill the mold roots (hyphae) penetrating the wall. Furthermore, bleaching can release harmful spores and volatile organic compounds (VOCs) into your air, exacerbating your wife's allergic reactions. The real problem is hidden; the moisture has likely seeped deep into the wall cavity and possibly behind the wardrobe, supporting widespread contamination you cannot see.

According to UAE health and safety guidelines, this level of infestation, especially with accompanying health symptoms, requires professional assessment and remediation. Our standard protocol involves:
1. Containing the area to prevent cross-contamination.
2. Identifying and rectifying the primary moisture source (the AC leak).
3. Safely removing and disposing of contaminated porous materials (the affected section of drywall and possibly insulation).
4. HEPA vacuuming and antimicrobial treatment of the area.
5. Verification through post-remediation testing.

For a single interior wall impacted by an AC leak, professional remediation from a company like Saniservice typically ranges from AED 1,500 to AED 3,500, depending on the extent of the damage behind the surface. This investment ensures the mold is removed correctly, the air quality is restored, and the health risk to your family is eliminated.

Given your wife's allergic response, this is a serious concern. I recommend you call us immediately for a professional inspection at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule a assessment. Do not disturb the area before we can test and contain it.
Posted by Sani Admin
Answered on April 2, 2026 7:52 pm