AC mold behind wardrobe: DIY clean or call pro?« Back to Previous Page

The AC in my bedroom has been leaking a bit onto the wall for a couple of months, and now I’m seeing these black, fuzzy patches spreading behind the wardrobe. We’ve lived here for 2 years and just noticed it, and my wife has started getting bad allergy symptoms. Is this something I can handle myself with cleaning spray, or do I absolutely need to call in a professional for mold remediation, and what’s the typical cost for a small room in Dubai?
Posted by Emma Bakker
Asked on March 26, 2026 11:45 pm
Based on your description, this is a serious situation that absolutely requires professional mold inspection and remediation. The presence of persistent moisture from an AC leak, visible black fuzzy growth, and the onset of health symptoms like allergies are three major red flags that indicate this is not a DIY job.

The black, fuzzy patches are likely Stachybotrys chartarum, commonly referred to as "black mold," which produces mycotoxins that can exacerbate or cause respiratory issues, especially in the humid, enclosed environment of a bedroom. In Dubai's climate, where we rely on year-round AC, condensation and leakage are primary causes of such infestations. The mold has likely spread far beyond what is visible, penetrating the drywall and possibly the structure behind the wardrobe.

Attempting to clean it yourself with a generic spray is highly inadvisable. DIY methods often aerosolize the toxic spores, spreading them throughout your home's air and HVAC system, which can significantly worsen your wife's allergy symptoms and contaminate other areas. Proper remediation requires industrial-grade HEPA filtration, antimicrobial agents, and techniques to isolate the work area to prevent cross-contamination, all of which are governed by strict standards.

For a small room in Dubai, the cost for professional assessment and remediation can vary but typically starts from AED 1,500 to AED 3,500, depending on the extent of the infestation and the required repairs to the AC unit and affected walls. This investment is crucial for your family's health and to prevent structural damage to your property.

I strongly recommend you cease use of the AC in that room immediately and contact a certified professional. For a proper assessment and a quote, you should call Saniservice at 800-MOLDS (800-66537) or email hello@saniservice.com. They will conduct a thorough inspection, including air quality testing, to determine the full scope and provide a compliant remediation plan.
Posted by Sani Admin
Answered on March 28, 2026 4:26 pm