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

The AC in my apartment seems to be leaking a little into the wall behind it in the living room, and now I’m seeing these black, speckled patches spreading out from the unit. It’s been getting worse over the last few weeks since the humidity really kicked in. I’m worried about it affecting our health and damaging the wall. Is this something I can clean myself with bleach or do I absolutely need to call a professional company to handle it?
Posted by Rohan Kapoor
Asked on March 26, 2026 6:54 pm
Based on your description of a persistent leak and spreading black, speckled patches, this is a situation that requires immediate professional attention. The black discoloration strongly indicates active microbial growth, which is a direct result of the constant moisture from the AC leak combined with Dubai's high ambient humidity. This creates an ideal environment for mold, including potentially hazardous types like Stachybotrys chartarum.

While surface cleaning with bleach is a common DIY suggestion, it is ineffective and even counterproductive for this scenario. Bleach does not address the root moisture problem, its fumes are hazardous in enclosed spaces, and it cannot penetrate porous materials like drywall or insulation where the mold colony has likely taken hold. The moisture from the leak has almost certainly wicked into the wall cavity, creating a hidden reservoir of contamination that you cannot see or properly treat yourself. Disturbing it without proper containment and HEPA filtration will only aerosolize spores and spread the contamination throughout your apartment.

In the UAE, proper mold remediation is governed by strict hygiene and environmental standards. A certified professional company, like Saniservice, will first conduct a thorough inspection to identify the exact species and extent of the contamination, including inside the wall and the AC unit itself. The remediation process involves isolating the area, safely removing and disposing of contaminated porous materials, using industrial-grade HEPA scrubbers to clean the air, and applying EPA-approved antimicrobial solutions. Crucially, they will identify and rectify the source of the moisture—in this case, the AC leak—to prevent immediate recurrence.

For your health and the integrity of your property, a professional assessment is essential. I strongly recommend you contact our specialists for a comprehensive inspection and remediation plan. Please call 800-MOLDS (800-66537) or email hello@saniservice.com to schedule a visit.
Posted by Sani Admin
Answered on March 28, 2026 7:06 am