Your headaches and congestion are common reactions to inhaling mold spores and microbial volatile organic compounds (mVOCs) circulated by the AC. The first step is to shut the system off to stop spreading the contaminants.

For an apartment in a building like yours in Marina, the central AC ductwork is the building management’s responsibility under Dubai’s strata laws. To get action, you must formally log a complaint with them, citing your health symptoms. Reference the DHA’s (Dubai Health Authority) guidelines on indoor air quality and building maintenance obligations. Be persistent and request written confirmation of the work order.

A proper duct cleaning is not a simple vent wipe-down. The process should involve accessing the main ducts, using agitation tools to dislodge debris, and powerful HEPA-filtered vacuum collection to remove it, not just blow it around. The drain pan and line must be cleared and sanitized. Without addressing the moisture source, the smell will return quickly.

In many cases, a visual inspection isn’t enough to confirm the extent of the issue. Consider an independent indoor air quality test that includes surface and air sampling. A lab analysis will identify the specific types and concentrations of mold present, which provides concrete, scientific evidence to present to management if they are uncooperative, and confirms the environment is safe after remediation.