Black mold from AC leak: DIY clean or call professional?« Back to Previous Page

Based on your description, this is a classic and serious case of mold growth caused by a persistent AC condensate leak, a very common issue in Dubai's climate. The black spots are likely Stachybotrys chartarum (toxic black mold) or Aspergillus niger, both of which thrive in the constant dampness from HVAC systems.

You should not attempt to clean this yourself with bleach. Bleach is ineffective on porous materials like drywall and carpet backing; it only bleaches the surface mold while leaving the root structure intact, allowing it to regrow quickly. More critically, scrubbing it disturbs the colony, releasing a massive amount of mycotoxins and spores into your breathing air, which explains your scratchy throat and is a significant health risk.

The leak must be repaired by a certified AC technician first; otherwise, the problem will recur instantly. For the remediation, this requires professional intervention. Dubai Municipality has strict guidelines for mold remediation to ensure occupant safety and proper containment. Our certified professionals at Saniservice use industry-standard protocols: we establish containment with negative air pressure to prevent cross-contamination, utilize HEPA filtration scrubbers to clean the air, and safely remove and dispose of contaminated porous materials like the carpet and affected drywall. We then treat the area with specialized, non-toxic antimicrobial solutions to prevent recurrence.

Given the visible spread and your physical symptoms, a professional inspection is strongly advised. We can identify the exact species and the full extent of the infestation, which is often hidden within walls. For a detailed assessment and a quote, please call us at 800-MOLDS (800-66537) or email hello@saniservice.com.