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

The AC in my bedroom closet has been leaking a bit for a couple of months, and now I’m seeing these dark black speckles spreading on the wall behind the unit. With the humidity lately, it’s gotten worse really fast and I’m worried about it affecting our health. Is this something I can clean myself with bleach from the supermarket, or do I need to call a professional cleaning company to handle it?
Posted by Giuseppe Meyer
Asked on March 18, 2026 3:49 pm
Based on your description of a recurring leak over several months and visible black speckling spreading rapidly, this is a serious situation that requires professional attention. The combination of a constant moisture source from the AC condensate leak and Dubai's high ambient humidity creates the perfect environment for aggressive mold growth, likely including species such as Stachybotrys chartarum (often referred to as "black mold") or Aspergillus.

Using supermarket bleach is highly inadvisable for several technical reasons. Bleach is primarily water, which can feed the mold roots (hyphae) deep within the drywall. Its chlorine compounds rapidly evaporate, offering only surface-level disinfection without addressing the root colony. Furthermore, bleaching porous materials like drywall is ineffective, as the mold's structure penetrates deep into the material. Attempting to clean it yourself also risks aerosolizing highly concentrated spores into your bedroom's air, significantly increasing the inhalation exposure risk, which is linked to respiratory issues, allergic reactions, and other health concerns.

A professional remediation company like Saniservice follows a strict protocol: first, identifying and rectifying the AC leak source to prevent recurrence. Then, the affected section of drywall must be safely removed under containment to prevent cross-contamination. All surfaces are treated with EPA-approved, specialized biocides designed for porous materials, followed by HEPA vacuuming and air scrubbing to remove all particulate matter. This process is crucial for ensuring the problem is solved permanently and your indoor air quality is restored.

For a proper assessment and safe, guaranteed remediation, I strongly recommend calling our specialists at 800-MOLDS (800-66537) or emailing hello@saniservice.com. Our certified team can conduct a thorough inspection and provide a definitive solution to protect your health and your property.
Posted by Sani Admin
Answered on March 20, 2026 1:32 am