AC mold issue in Dubai: DIY or professional cleaning?« Back to Previous Page

That damp smell and visible black mold around the vent indicate active growth inside the AC unit or ductwork, a common issue in Dubai's high humidity. Bleach is not recommended; it's ineffective on porous surfaces, its fumes are hazardous, and it doesn't address the root moisture problem inside the system.

For a small, visible patch solely on the wall around the vent, you can carefully clean it with a vinegar solution. However, the smell confirms the issue is inside the system. DIY cleaning sprays are superficial and often worsen the problem by pushing spores deeper.

Professional assessment is strongly advised here. The growth inside the evaporator coil or drip pan requires disassembly and specialized biocides to treat. In the UAE, companies must hold a valid DHA permit for sanitization work. A proper remediation includes mechanical cleaning of the unit, application of approved treatment agents, and ideally, verification of results.

Costs vary significantly based on the AC type (central vs. split), the extent of contamination, and whether testing is included. For a standard split unit cleaning and treatment, expect a qualitative cost range, while a full system clean with pre- and post-remediation testing is a more comprehensive investment. Always request a detailed scope of work and ensure it includes addressing the moisture source to prevent rapid recurrence.