AC mold returned after cleaning, need professional?« Back to Previous Page

Recurring mold after cleaning indicates a persistent moisture source that hasn't been addressed. In Dubai's climate, the primary issue is almost certainly your AC unit's continuous leak, not the wall surface.

Vinegar and most household cleaners only address surface mold you can see. The real problem is the hidden moisture and potential mold growth inside the wall cavity and the AC system itself, which will continue to feed the recurrence. The damp smell confirms the issue is active and widespread.

For a leak inside a closet, you need a two-part approach: fix the AC and remediate the wall. First, a certified HVAC technician must stop the leak at its source, which likely involves clearing a clogged condensate drain line or repairing a faulty drain pan—common issues here due to year-round AC use.

Second, the wall needs proper remediation. The drywall likely absorbed significant moisture and may require cutting out the affected section to dry and treat the cavity, then replacing it. Simply wiping the surface is a temporary fix.

Given the confined space and potential for hidden growth, a professional assessment is strongly recommended. They can use moisture meters and borescopes to check the wall's interior and ensure the AC system isn't blowing spores throughout the room. DIY attempts with stronger chemicals often fail to solve the root cause and can be hazardous in poorly ventilated areas.