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

The AC in my bedroom has been leaking a bit onto the wall behind the wardrobe, and now I'm seeing these black, speckled patches spreading out from the corner. It’s been getting worse since the humidity spiked a couple of weeks ago. I'm worried it's making my allergies act up every morning. Is this something I can clean myself with bleach or should I call a professional company to deal with it?
Posted by Christopher Thompson
Asked on March 23, 2026 7:51 pm
Based on your description, this is a classic case of mold growth driven by Dubai's high humidity and condensation from an AC leak. The black, speckled patches are almost certainly microbial growth, and the correlation with your allergy symptoms is a significant red flag. While small, superficial spots on non-porous surfaces can sometimes be addressed with a HEPA vacuum and appropriate biocides, your situation requires professional attention.

The leak has saturated the wall, meaning the mold has penetrated the porous building materials (drywall, plaster) behind the wardrobe. Surface cleaning with bleach is ineffective and potentially dangerous; it only bleaches the visible colour and does not kill the root structure, while the fumes can exacerbate respiratory issues. Disturbing it without proper containment risks spreading spores throughout your bedroom.

In the UAE, proper remediation involves identifying and fixing the moisture source (the AC leak), isolating the contaminated area with negative air pressure, physically removing the affected porous materials, and thoroughly HEPA-vacuuming and treating the area with professional-grade, EPA-approved fungicides. This is not a DIY task.

Given the health symptoms and the extent of the spread, we strongly recommend a certified mold inspection. Our technicians use moisture meters, thermal imaging, and air quality tests to assess the full scope of contamination, all in line with Dubai Municipality's public health and safety guidelines. For a definitive diagnosis and safe remediation, call our experts at 800-MOLDS (800-66537) or email hello@saniservice.com for a consultation.
Posted by Sani Admin
Answered on March 25, 2026 2:10 am