In the UAE’s climate, where AC runs year-round, condensation inside the unit creates a perpetually damp environment ideal for mold. Simply wiping the vent doesn’t address the contamination in the evaporator coils and drip pans, which is the actual source.

Your next step should be a professional inspection and diagnostic testing. Do not attempt to clean it yourself, as this can aerosolize a high concentration of spores into the room. A proper assessment involves a technician inspecting the internal workings of the unit and typically taking an air or swab sample. This sample must be analyzed by an accredited microbiology lab to identify the specific type and concentration of mold, which determines the appropriate remediation protocol.

For a child’s bedroom, this is a situation that warrants a professional response. Look for a provider that offers evidence-based cleaning, not just a surface spray. The process should include containment of the area, HEPA vacuuming, application of EPA-approved biocides, and most importantly, a post-remediation verification test from the lab to confirm the environment has been returned to a safe, acceptable level.